A wall sit is considered what kind of contraction?

An agonist for knee extension is the __________?

There are 31 pairs of spinal nerves and if damaged the person may loose sensory or motor function or both.

Movement involves leverage, when the lever is long such as a battlement it is easier than a passe.

An example of an irregular bone is the femur.

5th position requires hip abduction, external rotation, and extension.

Shoulder abduction occurs in the______________ plane and about the ______________axis.

An anterior pelvic tilt is also sometimes called tucking.

A healthy percent of body fat for females is 17 to 25% and  under 15% for males. 

If you anticipate an injury, the mucles will guard which makes it better to prevent an injury (according to the Hodges article).