Which of these is not a function of skeletal muscles?

Low back pain that lasts for longer than ________ is considered chronic.

Stretching should be performed ________.

Which of the following is a major muscle of the leg?

Stretch reflex includes involuntary contraction of a muscle due to a ________.

Resting metabolic rate is also known as ________.

A general rule is that once ________ repetitions of an exercise can be performed easily, the load should be increased to a point at which 6 repetitions are maximal.

Positive work is an alternative term for which of the following?

The rate of strength improvement in weight training depends on ________.

The role of cartilage in a joint is to ________.