Hamstrings and Quadriceps.
The triceps be retact and contract
no its not possible to do the splits in one day unless you want to rip your muscles really bad. You could probably do the splits in a week. Have a friend sit on your butt while your in the strattle position on the floor. You have to completely relax your muscles so they stretch.
Yes. You can damage muscles and tendons which may cause pain and take a while to heal.
You can increase your muscles by doing regular exercise. gradually increasing resistance. following a proper diet and achieving proper rest...your muscles grow while resting not while working out....
Ideally your whole body will be used while doing aerobics. But the primary muscles involved will be your leg muscles (quadriceps, hamstrings, calves) and the muscles of your lower back, abdominal and but muscles.. The lung and heart muscles function at their optimum to compensate the stress on these muscle groups...
The muscles that are in your arms
In the muscles of a body while doing exercises or else.
you can build your abb muscles by doing sit ups and abb workouts also you can flex your abbs while you run or walk
An exercise ball can be used to develop many different muscle groups. Placing one hand on an exercise ball while doing a push up will help develop the pectorial and latimus dorsi muscles. Doing a crunch while seated on an exercise ball will help develop oblique muscles.
yes, you are putting to much strain on your back and not using your abdominal muscles to lift you
Flexability is the range of movement possible at a joint; therefore a movement to test your flexability would be touching your toes while keeping your legs straight, doing the splits etc.
Flexability is the range of movement possible at a joint; therefore a movement to test your flexability would be touching your toes while keeping your legs straight, doing the splits etc.