Answer:
Muscle contraction is the activation of tension-generating sites within muscle fibers. In physiology, muscle contraction does not necessarily mean muscle shortening because muscle tension can be produced without changes in muscle length, such as by holding a heavy book or a dumbbell at the same position. The termination of muscle contraction is followed by muscle relaxation, which is a return of the muscle fibers to their low tension-generating state.
Explanation:
Seems like really bad anxiety, or possibly atrial fibrillation.
Progressively Overloading his muscles, assuming he is doing weight training, to increase strength over time. he should not stay with the same weight for two months, unless he can perform more reps with better form over time.
Answer:
4.
Explanation:
decreasing calories & increasing activities is the smartest way 2 loose weight. diet should consist of extra fiber (gives u a full feeling) & added colorful veggies, which also offers a full feeling and added health benefits. Lean proteins like chicken/ turkey breast, apples, etc...