The best 7-minute workouts on the planet are the ones you’ll actually do. This is what I know for sure after testing out more than 30 of them over the past few months. That and yes, they really do work. Adding in short blasts of high intensity interval (HIIT) training consisting of various strength, cardio, core, and flexibility exercises whenever I have a spare seven minutes in my day, have helped me get stronger, leaner, faster, and to feel better overall.
A compound exercise is a move that incorporates multiple muscle groups, like lunges, deadlifts, and squats. It may also refer to two moves being strung together, like a bicep curl to a shoulder press. Compound exercises are efficient for increasing overall muscle mass and burning calories (because they require more effort to complete), as opposed to isolation exercises, which focus on working just one muscle group (like a bicep curl).
DOMS stands for delayed onset muscle soreness, which is the soreness you feel the day or two after a hard workout. This happens because when you’re working out you’re damaging muscle fibers (that’s a good thing!). The muscle then repairs and rebuilds and that’s how you get stronger. The soreness and pain you feel from DOMS comes from the chemicals that set off pain receptors during the repair process, Robert Hyldahl, Ph.D., an exercise physiologist at Brigham Young University, previously explained to SELF. This soreness may last anywhere from 24 to 72 hours after your workout. (Here’s what to do when DOMS kicks in after a workout.)
It is well known that exercise in the older population may prevent several diseases [1–4]. Reduced physical activity impairs the quality of life in elderly people with Alzheimer's Disease [4], Parkinson's Disease [5], and Depressive Disorders [6]. Moreover, musculoskeletal, cardiopulmonary, and cerebrovascular decline are associated with poor physical fitness because of the cumulative effects of illness, multiple drug intake, fatigue, and bed rest [7, 8]. The effects of physical activity and exercise programs on fitness and health-related quality of life (HRQOL) in elderly adults have been widely studied by several authors [9–11]. De Vries et al. [11] conducted a meta-analysis focusing on elderly patients with mobility problems and/or multimorbidity. Eighteen articles describing a wide variety of actions were analyzed. Most used a multicomponent training program focusing on the combination of strength, balance, and endurance training. In 9 of the 18 studies included, interventions were supervised by a physical therapist. Intensity of the intervention was not reported and the duration of the intervention varied from 5 weeks to 18 months. This meta-analysis concluded that, considering quality of life, the exercise versus no-exercise studies found no significant effects. High-intensity exercise appears to be somewhat more effective in improving physical functioning than low-intensity exercise. These positive effects are of great value in the patient population but the most effective type of intervention remains unclear. Brovold et al. [7] recently examined the effects of high-intensity training versus home-based exercise programs using the Norwegian Ullevaal Model [12] on a group of over-65-year-olds after discharge from hospital. These authors based their study on the Swedish Friskis-Svettis model [13] which was designed by Johan Holmsater for patients with coronaropathy to promote their return to work and everyday activities and improve their prognoses. This model includes three intervals of high intensity and two intervals of moderate intensity, each one lasting for 5 to 10 minutes. Included in each is coordination. Exercises consist of simple aerobic dance movements and involve the use of both upper and lower extremities to challenge postural control [13]. Exercise intensity was adjusted using the Borg Rating of Perceived Exertion (RPE) Scale. Moderate intensity was set between 11 and 13, and high intensity was set between 15 and 17 on the Borg Scale.
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