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What joint position(s) cause the following muscles to become actively insufficient:HamstringsRectus Femoris

In addition to its joint movement function, this muscle is very important in stabilizing the head of the humerus against the gelnoid fossa.

The Teres Minor is a prime mover in shoulder lateral rotation and horizontal abduction and is innervated by the axillary nerve.

The scapular spine is the reference point for scapular motion.

The reason you have your patient laterally rotate his shoulder when moving between 90 and 180 degrees of shoulder abduction is to prevent what structure from hitting the acromion process?  

If a person repeatedly falls on an outstretched hand (extended wrist) while snowboarding, they are at increased risk for a sprain to which of the following ligaments?  

This common wrist pathology is an incomplete fracture usually of the radius that usually occurs mostly in children because their bones are softer that adult bones.

The thenar muscles are all innervated by which nerve and spinal segment?

Mary is receiving physical therapy following a motor vehicle accident she was involved in about 1 week ago.  She reports weakness in her left upper extremity and had difficulty bringing her sandwich to her mouth yesterday because she could not bend her elbow enough to reach her mouth.  She stated that she felt like her arm was going to drop down when raising  it.  Mary most likely has an injury involving which UE nerve?

Which type of grasp is used to grasp the rim of a wheelchair?