1) Abs and pecs 2) Biceps 3) Bodybuilders flex them 4) Contractors 5) Gym developments 6) Hamstrings and others 7) Nickname for a bodybuilder 8) Nickname for a gym rat 9) Nickname for a strongman 10) They may be pulled 11) What weightlifting builds 12) Workout development 1) Biceps 2) Brawn 3) Sinews 4) Strength 
Earthworms travel by coordinating two kinds of muscles
Muscles are the organs of motion and consist of bundles or fasciculi of parallel reddish contractile fibres. Toward the end of the muscle the fibres are so modified that they form a white cord or tendon of great density and strength. This tendon is attached to the bone so strongly that it is almost impossible to detach it. Sometimes a tendon spread...
Fibrous organs used to support the skeleton, provide movement or power the body's life support systems.
six muscles hold the eye in place, and allow it to move in many directions