Which foot movement enables the ballerina to stand on her toes?

When pyruvic acid is produced by anaerobic metabolism faster than it can be utilized, the surplus is converted to

Bonus Which one of the following muscles is involved in abduction of the arm at the shoulder joint:

The end of a muscle that remains stationary when the muscle contracts is called the

Z lines

Which of the following statements about the energetics of muscle activity is false?

What human muscles contain only fast fibers?

Bonus Paralysis of which of the following would make an individual unable to flex the hip:

The movement of a body part upward is called

The movements known as dorsiflexion and plantar flexion involve moving the