What is a sarc?

What is the difference between static stretching and dynamic stretching? What measures muscular strength and how can it be improved? What is the heaviest incline bench press record? Will creatine mask marijuana? Where can I find information on how to get your belly flat in 30 days? What muscles are worked during dumbbell push-ups? Are Asics Piranha Sp3 running shoes good? Who invented the standing long jump test? Where can one purchase an anti fatigue floor mat? When can you start lifting weights after pulling shoulder muscle? What are some effective muscle strengthening exercises that can help improve overall fitness and strength? What is the recommended amount of time that should be spent on moderate intensity exercise per week? What are the benefits of using a squat rack with pull up bar for strength training? What does a 15 incline on a treadmill mean? Why is the atrioventricular valve in the right ventricle called the tricuspid valve and the atrioventricular valve in the left called the bicuspid valve? Who invented the exercise tae bo? What is MT pace in running terms? How much does a medicine balll weigh? What are 10 ways to keep muscles healthy? What builds up in muscles after a few seconds of intense activity?