This powerful upper-body toner can be done on a mat, reformer, or Wunda chair. If using a mat, sit with your legs straight in front of you, feet together and flexed. Press your hands flat on the mat, look down, and use your upper body strength to lift your backside and upper legs. Swing yourself forward and backward before lowering slowly to the mat. Do five reps.
I'm a professional weight loss coach and was chosen as "Canada's Top Fitness Professional." Each of my workouts found at makeyourbodywork.com will challenge your entire body and will include elements of cardio, strength, and core conditioning. The uniqueness of these workouts are the "difficulty levels" that provide up to four distinct options for every single move. This makes each workout very accessible for newbies, yet challenging for super-fit users.
A pair of small hand-weights adds punch to a Pilates workout at home. For this move, imagine you are twirling the weights like sparklers on the Fourth of July. Stand with the weights held at your thighs. Turn them slightly in to face each other and make eight small circles. Each circle should be a little higher until the hands are overhead. Make eight circles in the opposite direction as you lower the arms. Repeat 2-3 times.
Reading customer reviews and comments is an excellent way to get some insider information about the exercise videos that you are interested in purchasing. These reviews are mostly given by people who have actually purchased the product in question and have given it a review and a star rating. Really pay attention to what these customers are saying. You can learn about what they liked and what they didn’t like. Even though not every customer is going to like every video they get, most people are honest about what they loved and didn’t love. Amazon is an excellent place to get these reviews and comments and check out the videos you are interested in.
The recent “consensus statement” of the European College of Sport Science indicates that the difference between NFO and OTS is the amount of time needed for performance restoration and not the type or duration of training stress or degree of impairment.1 In essence, it is generally thought that symptoms of OTS, such as fatigue, performance decline and mood disturbances, are more severe than those of NFO. However, there is no scientific evidence to either confirm or refute this suggestion.1 The distinction between NFO and OTS is most of the time based on “time to recover”. Hence, there is a need for objective, immediately available evidence that the athlete is indeed experiencing OTS.
The MCT group was prescribed two weekly exercise sessions of 50-min continuous activity at 70% of peak heart rate, or approximately 13 on the Borg 6–20 rating of perceived exertion (RPE) scale . The HIIT group was prescribed two exercise sessions a week with 10-min warm-up followed by 4 × 4 min intervals at 85–95% of peak heart rate, or approximately 16 on the Borg 6–20 RPE scale. The participants were given individual oral and written information about the training methods, including information about frequency, duration, intensity and examples of exercise sessions. The participants were free to exercise individually, with an exercise type and at a location of their own choosing. Every sixth week the participants met for a supervised spinning session where they exercised with a heart rate monitor. These exercise sessions gave the participants an opportunity to control their intensity during exercise. In addition, organized group exercise was offered twice per week for motivational purposes. Attendance to these exercises was voluntary and the activity performed varied between indoor and outdoor activities such as walking, jogging and aerobics . Besides the two prescribed exercise sessions, the participants were free to exercise as desired.
The Bloom Method is for every woman preparing for pregnancy, currently expecting, or even years postnatal. A variation of our techniques can be beneficial to everyone regardless of your fitness level or the vision you have for your birth. The Bloom Method is here to support each of you during your life-altering experience while providing you with simple and effective techniques that you can apply to your life no matter what your day to day looks like. We make it easy and doable for you, so that you can focus on being a mother, a friend, a partner and anything else life demands of you. We’ve got you’re back and your core for that matter, trust us, after all, this entire mehthod was created with you in mind.
One way repeated ANOVA was used to compare time to exhaustion between sessions (S1, S2 and S3). Relative reliability was calculated with the intraclass correlation (ICC) model (3, 1) . Absolute reliability was calculated with the typical error of measurement (the standard deviation of the change scores divided by [28, 29]). Bland and Altman’s 95% limits of agreement were also used (calculated for S1 vs S2, S1 vs S3 and S2 vs S3) as an additional representation of measurement error and to identify the presence of heteroscedasticity . As data were heteroscedastic, both raw data and log transformed Bland and Altman’s plots are presented. Limit of agreement ratio (LOA) was also calculated from the log transformed data as follow: LOA = (1.96 × SDdiff / grand mean) × 100; where “SDdiff” represents the SD of the differences between tests (S1 vs S2, S1 vs S3, S2 vs S3) and “grand mean” represents (mean S1 + mean S2 + mean S3)/3. As time to exhaustion data were heteroscedastic, we also calculated the coefficient of variation (CV) for each subject as follow: CV = 100×(SD of the three measurements)/(mean of the three measurements). Mean CV for all subjects were also calculated. We also calculated the smallest worthwhile change (0.2 × between subjects SD) .
You acquire 100 new shares, giving you a total of 160. You simultaneously sell 50 shares of the exercised options to pay the total exercise cost ($2,000 ÷ $40 = 50 shares), leaving you with 110. Additional shares must be sold to pay for broker fees and, if exercising NQSOs, withholding taxes. After the exercise, you might own less than the 110 shares.
The Alfredson protocol should be continued for 12 weeks to see optimal results. During that time, you may wish to consult with a physical therapist who can offer advice on when to return to normal activities, such as running. Your physical therapist can prescribe balance exercises with a BAPS board and plyometric exercises to ensure that you will be able to run and jump without suffering a re-injury to your Achilles' tendon.
The physical benefits of Pilates include an increase in muscle strength and tone without creating bulk. The increase in deep core muscle strength helps to make your abdominal muscles look tight and toned. It also improves your flexibility and posture, which can decrease your chances of injuring yourself. Pilates is also effective in easing chronic lower back pain and preventing future back pain and injuries.
One of the foundational moves of any strength program is the back squat. The back squat is performed with a barbell across the trapezius muscles, feet a little wider than shoulder-width apart, and feet slightly turned out. HOW TO DO IT: Take a big breath to brace the core, then send your buttocks back while keeping your chest big and proud. You should squat below parallel if your mobility allows. As you drive up, think of screwing your feet out and into the ground. This cue will fire the glutes so that you can get the most strength out of the movement. MUSCLES USED: Glutes, quads, hamstrings, calves and core.
Wellcome Library [Internet]. Rodway H. Training for childbirth - and after (1940). 2015 Sep 24 [cited 2015 Oct 3]. Available from: http://wellcomelibrary.org/player/b16729006#?asi=0&ai=0. Morris,33 Morris M. Basic physical training. London: Heinemann; 1937. [Google Scholar] and Vaughan,47 Youtube [Internet]. Vaughan, K. Childbirth as an athletic feat (1939). 2009 Feb 23 [cited 2015 Aug 30]. Available from: https://www.youtube.com/watch?v=g9wRBWDxReY. [Google Scholar] Pilates emphasized breathing techniques, training in sunshine and fresh air. Pilates also advocated the use of minimal and light-fitting clothing, recommended cold exposure and the importance of bathing and treating the skin.45,46 Pilates J. Your health. Nevada: Presentation Dynamics; 1934.
Jump up ^ Silverman MN, Deuster PA (October 2014). "Biological mechanisms underlying the role of physical fitness in health and resilience". Interface Focus. 4 (5): 20140040. doi:10.1098/rsfs.2014.0040. PMC 4142018. PMID 25285199. Importantly, physical exercise can improve growth factor signalling directly or indirectly by reducing pro-inflammatory signalling . Exercise-induced increases in brain monoamines (norepinephrine and serotonin) may also contribute to increased expression of hippocampal BDNF . In addition, other growth factors—insulin-like growth factor-1 (IGF-1) and vascular endothelial growth factor—have been shown to play an important role in BDNF-induced effects on neuroplasticity [33,172,190,192], as well as exerting neuroprotective effects of their own [33,214,215], thereby contributing to the beneficial effects of exercise on brain health.
Trainer Sara Haley loves 30 seconds a day of a core building exercise called resistance fight, which is especially great for those who’ve had children. “Lie on your back and lift one leg up to tabletop so that your knee is in line with your hip. Take your opposite hand and push against your thigh,” she says. “As you try to push your leg away with your hand, resist by pushing your leg into your hand in opposition. While all this is happening, you should be focusing on pulling your navel towards your spine and closing your rib cage. You may feel your body start to shake.” Be sure to hold for 15 seconds on each side. If your ears perked up at the mention of this being a great move for moms, then make sure you also look out for your kiddos with our report on 13 Scary Ingredients in Your Kid’s Lunch Box, Exposed!.
Strength, weight, or resistance training. This type of exercise is aimed at improving the strength and function of muscles. Specific exercises are done to strengthen each muscle group. Weight lifting and exercising with stretchy resistance bands are examples of resistance training activities, as are exercises like pushups in which you work against the weight of your own body.
Mix-and-match interval training works magic in Natalie Jill's Rev4 Rev It Up. The four 10-minute routines hit different trouble zones so you can do them as stand-alones—"I definitely felt I got a good workout after each," one tester said—or combine them for a total-body session. Testers loved that they could "switch things up for time-pressed mornings" and gave props to instructor Jill's "nice energy." Expect a variety of planks and booty-shaping moves.
Lauren Duhamel, a trainer for modelFIT says doing 30 seconds of sumo squats will transform the glutes and inner thighs. “Take a wide stance with your feet turned out instead of facing straight forward. Keep all your weight on your heels and slowly bend your knees and sit your booty back and down,” she explains. “Then, press back up without locking out your knees. Do ten of these then hold in a low squat for ten seconds.”
At the end of each pregnancy journey, you’re greeted by the mother of all marathons and we want to help you prepare for your birth experience in the best possible ways. Our Bloom classes as well as our 1:1 foundational crash courses were designed with empowerment in mind. We can’t promise you’ll find gentle workouts behind our studio door [you’ve got a marathon to train for] but we can promise that each workout will give you the safest, most effective, mind + body focused workout you’ll find in the prenatal world. Our workouts will make you sweat, challenging you both mentally and physically, while we integrate our signature techniques seamlessly into each exercise you move through. Think of it as childbirth education meets a safe sweat session gifting you tools to be used time and time again.
Cross-training means mixing in different workouts and training methods rather than focusing on just one type of workout. Not only does this help create a well-balanced fitness plan, but it can help you reach specific goals, too. For example, if you’re getting ready to run a race, you’ll want to cross-train with strength and yoga workouts, which will complement your running and help improve your performance and decrease the chance of injury by building muscle and increasing flexibility. “If you only include one form of training, you may be holding yourself back from the results you deserve,” says Lefkowith.
“The best exercise you can do if you only have 30 seconds each day is to learn and practice diaphragmatic breathing,” explains Carla Chickedantz, a personal trainer with Crunch gyms. “Diaphragmatic breathing is the most basic, original strength building technique that each and every human uses to build core strength as a newborn baby. As adults, we lose this skill and rely on auxiliary muscles in the chest, shoulders, and neck for respiration. This causes all sorts of problems. During our workouts, we often focus on the front, back and sides of the core, and neglect the top and bottom. Yes, the core is like a canister with the diaphragm at the top and pelvic floor at the bottom.”
Dietary nitrate supplementation increases circulating nitrite concentration, and the subsequent reduction of nitrite to nitric oxide is promoted in hypoxic environments. Given that PO2 is lower in Type II compared with Type I muscle, this article examines the hypothesis that the ergogenicity of nitrate supplementation is linked to specific effects on vascular, metabolic, and contractile function in Type II muscle.
Super setting means pairing two exercises and doing them back-to-back, explains Lefkowith. There are a few ways to do these: You could save time by working two different muscle groups (like arms and legs) so you don’t need to rest in between exercises, because one muscle group is recovering while the other is working. Or, you could do two exercises that work the same area to completely fatigue one muscle group. Another option is to pair “push” and “pull” movements—for example, a push-up and a pull-up. “Super sets can be helpful if you are short on time and still want to focus on building strength,” explains says Lefkowith. And because you’re doing movements paired together, you’re likely to raise your heart rate, too.
It's no secret we love Denise Austin here at Woman's Day, and this DVD reinforces why. Her simple instructions and cheerful attitude help each of the three 15-minute routines zip by. She focuses on one area of the body per session — upper body, lower body or ab & core conditioning — so I can target a trouble zone (ahem, thighs) or get a great full-body workout.
Vinylcise has been historically neglected, and probably for good reason: it's terrible, and not very effective—at least not since we've had visual media alternatives. Can you imagine trying to follow along to an audio-only workout? At any rate, these workout records first appeared in the early 1920s, and were usually accompanied by a paper foldout with exercise diagrams (see the image). The earliest of these records appear to be the set of five Wallace Reducing Records released in 1920-1922 by the Wallace Institute of Chicago and pressed by Columbia Records. These records were marketed towards women, aiming to help them "get thin to music." Other exercise records of the 1920s included Victor Records for Health Exercises, released in 1922, the Battle Creek Sanitarium Health Ladder, directed by John Harvey Kellogg and released by Columbia Records in 1923, and Walter Camp's Daily Dozen, released in 1924.
Too much exercise can be harmful. Without proper rest, the chance of stroke or other circulation problems increases, and muscle tissue may develop slowly. Extremely intense, long-term cardiovascular exercise, as can be seen in athletes who train for multiple marathons, has been associated with scarring of the heart and heart rhythm abnormalities. Specifically, high cardiac output has been shown to cause enlargement of the left and right ventricle volumes, increased ventricle wall thickness, and greater cardiac mass. These changes further result in myocardial cell damage in the lining of the heart, leading to scar tissue and thickened walls. During these processes, the protein troponin increases in the bloodstream, indicating cardiac muscle cell death and increased stress on the heart itself.
This move works best if you use a low bench. With the low bench at your right side, start with knees slightly bent and hips back. Shift weight to left foot then jump over the bench first with right foot, allowing the left foot to follow. Land lightly on right foot first then left foot. Reverse the move, starting with left foot, to return to starting position.
Your muscles perform several functions during isotonic exercise. They push, pull, bend and straighten. For instance, when you bend your arm at the elbow to perform a bicep curl, you flex your bicep. When you unbend your arm at the elbow to perform a triceps kickback, you extend your triceps. When you lie on your back and push a weight up from your chest, you extend your pectoral muscles. When you perform a pull up, you flex your back muscles. Muscles that perform opposite functions of the same region (such as biceps and triceps flexing and extending the arm) are called complimentary muscle groups. When performing isotonic exercises, it is important to balance exercises between complimentary muscle groups in order to prevent injury and develop balanced strength throughout your body.
Jump up ^ Gallaugher, P. E; Thorarensen, H; Kiessling, A; Farrell, A. P (2001). "Effects of high intensity exercise training on cardiovascular function, oxygen uptake, internal oxygen transport and osmotic balance in chinook salmon (Oncorhynchus tshawytscha) during critical speed swimming". The Journal of Experimental Biology. 204 (Pt 16): 2861–72. PMID 11683441.
Evidence from HIIT studies conducted under controlled laboratory conditions has provided proof-of-concept of efficacy . However, it has been argued that HIIT has high efficacy but low effectiveness , and long-term exercise interventions carried out under free-living conditions have been asked for to investigate whether HIIT is feasible as a public health initiative among older adults [9, 16]. Our data showed that both training groups reported on average more than two exercise sessions per week throughout the year. Approximately 60% of the sessions in the HIIT group were performed with a self-reported high-intensity (≥15 Borg scale), indicating that older adults are able to perform HIIT over a long time-period without strict supervision. However, women had a lower proportion of sessions with high-intensity exercise compared to men. This result is in line with previous findings that women (aged 60–67 years) are less likely than men to prefer vigorous physical activity .
A systematic review evaluated 45 studies that examined the relationship between physical activity and cancer survivorship. According to the review, "[there] was consistent evidence from 27 observational studies that physical activity is associated with reduced all-cause, breast cancer–specific, and colon cancer–specific mortality. There is currently insufficient evidence regarding the association between physical activity and mortality for survivors of other cancers." Although there is only limited scientific evidence on the subject, people with cancer cachexia are encouraged to engage in physical exercise. Due to various factors, some individuals with cancer cachexia have a limited capacity for physical exercise. Compliance with prescribed exercise is low in individuals with cachexia and clinical trials of exercise in this population often suffer from high drop-out rates.
^ Jump up to: a b Szuhany KL, Bugatti M, Otto MW (October 2014). "A meta-analytic review of the effects of exercise on brain-derived neurotrophic factor". J Psychiatr Res. 60C: 56–64. doi:10.1016/j.jpsychires.2014.10.003. PMC 4314337. PMID 25455510. Consistent evidence indicates that exercise improves cognition and mood, with preliminary evidence suggesting that brain-derived neurotrophic factor (BDNF) may mediate these effects. The aim of the current meta-analysis was to provide an estimate of the strength of the association between exercise and increased BDNF levels in humans across multiple exercise paradigms. We conducted a meta-analysis of 29 studies (N = 1111 participants) examining the effect of exercise on BDNF levels in three exercise paradigms: (1) a single session of exercise, (2) a session of exercise following a program of regular exercise, and (3) resting BDNF levels following a program of regular exercise. Moderators of this effect were also examined. Results demonstrated a moderate effect size for increases in BDNF following a single session of exercise (Hedges' g = 0.46, p < 0.001). Further, regular exercise intensified the effect of a session of exercise on BDNF levels (Hedges' g = 0.59, p = 0.02). Finally, results indicated a small effect of regular exercise on resting BDNF levels (Hedges' g = 0.27, p = 0.005). ... Effect size analysis supports the role of exercise as a strategy for enhancing BDNF activity in humans.
Drop Sets. Drop sets can be performed with any exercise that involves moving weight around, like squats or the bench press. You have performed ten bench presses and couldn't possibly do eleven. Re-rack the weight and have a partner take off ten pounds or so, then perform as many reps as possible at that new weight. It's even easier to use dumbbells and simply move to smaller and smaller bells, set to set. Three total drop sets is the norm, do this to infinity and beyond and you may be way too sore the next day.
There’s a simple way to get your body back in fat-blasting mode: Temporarily ditch your go-to moves. "When you change up your workout, your body works harder because it’s in unfamiliar territory," explains Amy Dixon, a Santa Monica, California–based trainer and exercise physiologist. "That’s what causes it to burn more calories and build more muscle."
To qualify for inclusion, studies had to be level 1 or level 2 (randomized controlled trials); had to compare rehabilitation interventions, such as exercise or manual therapy, with other treatments or placebo; had to include validated outcome measures of pain, function, or disability; and had to be limited to individuals with diagnosed impingement syndrome. Impingement syndrome was determined by a positive impingement sign per Neer or Hawkins criteria, or both. Articles were excluded if they addressed other shoulder conditions (eg, calcific tendinosis, full-thickness rotator cuff tears, adhesive capsulitis, osteoarthritis), addressed postoperative management, were retrospective studies or case series, or used other outcome measures.
Rock climbing is one of the most physically challenging sports, testing strength, endurance, flexibility, and stamina. To improve in the sport, climbers must build and maintain each of these assets. Written by veteran climber and performance coach, Eric Hörst, The Rock Climber's Exercise Guide provides climbers of all ages and experience with the knowledge and tools to design and follow a comprehensive, personalized exercise program. Enhance your skills, maximize your potential, and become the best climber you can be!
This exercise is similar in movement to the back squat; however, the bar sits in the front rack position across the collarbones and shoulders of the athlete. HOW TO DO IT: As you drive back up, it is imperative that you raise your elbows to the sky to keep the bar in the correct position. The core should be tight to prevent the back from rounding. If you have mobility issues in the front rack position, you can cross your forearms in front of your body, parallel to the ground. MUSCLES USED: Glutes, quads, hamstrings, calves and core.
Georgi A. A biographical sketch of the Swedish poet and gymnasiarch, P.H. Ling. London: H. Bailliere; 1854. Ling founded the Royal Gymnastic Central Institute in Stockholm in 1822, was an elected member of the Swedish General Medical Association, member of the Swedish Academy, and a Titular Professor. However, Ling remained indifferent to these honors due to the lack of the establishment’s implementation of his methods.7 Georgi A. A biographical sketch of the Swedish poet and gymnasiarch, P.H. Ling. London: H. Bailliere; 1854. [Google Scholar]
Rather than doing your meetings over coffee, why don’t you invite people to go for a walking meeting? Steve Jobs, Winston Churchill and many U.S. Presidents have been huge advocates of this practice for both health and camaraderie purposes. Even if you’re just taking a phone call, use it as an opportunity to take a walk around the block or to your next destination.
What are your fitness goals? – Do you want to tone up? Lose fat and inches? Gain lean muscle mass? Maintain your weight? Reshape Your body? There are a number of fitness goals you could be interested in and many people have more than one, for example they want to lose fat and inches AND reshape their bodies. What your fitness goals are can determine the type of exercise videos that will fit those needs and goals the best.
Raphael AJ. Natural childbirth in twentieth century England; PhD thesis. London: Queen Mary University of London; 2010. To create the method, Randell, (whose brother Francis William Randell and wife Jessie experienced two failed births in 1907 and 1913)24 Wildings & Thurleys, Cantophers & McConnells [Internet]. Hatches, matches and dispatches only. 2008 Nov 11 [cited 2015 Sep 23]. Available from: http://website.lineone.net/~hstjw/p32.htm#i549. [Google Scholar] was inspired by Ling’s philosophy and exercises of preventative medicine.22 Polden M, Mantle J. Physiotherapy in obstetrics and gynaecology. 2nd ed. Oxford: Butterworth Heinemann; 2004. [Google Scholar] Her repertoire included full-body movement exercises in the lying, sitting, and standing positions.25 Randell M. Training for childbirth from a mother's point of view. 4th ed. London: J. & A. Churchill Ltd.; 1949. [Google Scholar] The objectives of the pre-natal exercises were ‘to improve the physical and mental well being of the patient – encourage a cheerful and confident outlook towards her confinement and so to help herself effectively during labour’. Pre-natal training included education, stretching, relaxing, and deep breathing with many free arm movements to improve circulation. The daily home exercises were designed to improve muscle tone, increase flexibility, and control of movement. The post-natal exercises were designed to improve the condition of relaxed muscles, in particular the abdominal muscles, so that the figure is restored to normal after confinement.26 Wellcome Library [Internet]. Rodway H. Training for childbirth - and after (1940). 2015 Sep 24 [cited 2015 Oct 3]. Available from: http://wellcomelibrary.org/player/b16729006#?asi=0&ai=0. [Google Scholar] As a reflection of the women’s suffrage movement, Randell encouraged female students to use their knowledge and healthy physical ability to gain self-empowerment and help others to do the same. She encouraged women to teach spouses to perform and to teach the exercises calmly and confidently; to reinforce the teamwork between parents and to be of practical assistance during childbirth.25 Randell M. Training for childbirth from a mother's point of view. 4th ed. London: J. & A. Churchill Ltd.; 1949. [Google Scholar]
1) The biggest critique I have is that transitions from poses are too aggressive and, in many cases, FAR too quick. This could very easily result in stabilizer injury with those healing from core, back, spine or neck injuries or those who don't have the best core strength to begin with. The example that comes to mind is in the 'Sweat" workout. The rapid change from low lunge into a one-foot balanced runner caused an injury for me the first week, and just again today after 6 weeks. If you have ANY history of car crash with spinal involvement, low back problems, abdominal surgery, or core weakness, you MUST listen to your body carefully during these workouts. The modifications are helpful, but they simply decrease the impact of the position once you are in them. The quick transitions in PiYO keep heart rates up, but they also jeopardize the safety of joints or muscles that are a) fatigued from participating and b) unstable due to weakness. Adapt and SLOW DOWN when needed. Better to do 2 sets safely than 4 sets and getting hurt.
The only measures that accurately distinguished NFO from OTS were increases in ACTH and PRL concentrations after a second maximal exercise bout. The OTS athletes showed a very small or no increase in ACTH and PRL concentrations after the second exercise bout; the NFO athletes showed very large increases. This is a confirmation of our previous studies with this protocol.10 22 The use of two bouts of maximal exercise to study neuroendocrine variations showed an adapted exercise-induced increase of ACTH, PRL and GH to a twoexercise bout.10
But too much rest may do more harm than good. Once prescribed almost universally for back pain, illness, and discomfort of all kinds, bed rest has been shown in studies to be associated with loss of strength and endurance, changes in soft tissue, bone loss, joint disease, high blood pressure, and weakening of the cardiovascular system. It’s one reason falls are a danger for people over 80: The resulting injuries may heal, but the health complications from staying in bed for weeks can be irreversible.
The bench press or dumbbell bench-press is performed while lying face up on a bench, by pushing a weight away from the chest. This is a compound exercise that also involves the triceps and the front deltoids, also recruits the upper and lower back muscles, and traps. The bench press is the king of all upper body exercises and is one of the most popular chest exercises in the world. It is the final exercise in 'The big 3'.
Results Maximal blood lactate concentration was lower in OTS compared with NFO, while resting concentrations of cortisol, ACTH and prolactin concentrations were higher. However, sensitivity of these measures was low. The ACTH and prolactin reactions to the second exercise bout were much higher in NFO athletes compared with OTS and showed the highest sensitivity for making the distinction.