The flexor carpi radialis can be found in the superficial posterior compartment of the forearm because it originates on the humerus. 

The vastus medialis is in the medial compartment of the thigh

The zygomaticus promotes smiling.

Epithelial 

tissue surrounds and protect muscular

tissue.

Slow oxidative fibers have many mitochondria because they are needed for endurance exercise.

During the embryonic

developmental stage, skeletal muscle fibers are derived from:

A tic is a

rhythmic, involuntary, purposeless contraction that produces quivering or

shaking.

What molecules form

the thick filaments within muscle?

A deficiency of acetylcholine receptors leads to muscle paralysis in myasthenia gravis.

How many somatic motor neurons stimulate one muscle fiber?