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Which of the following muscles produces shoulder flexion?

Instructions:  Read all the possible answers before making your selection and marking it on the answer key.   There is only one correct answer for each question.  Select the MOST correct answer.  There are 50 multiple-choice questions.  This is a timed exam.  You have 60 minutes to complete this exam.  This is NOT an open-book test.  Take this exam on your own.  You must use HonorLock to proctor this exam.

Which of the following muscles is responsible for ABDuction of the metacarpophalangeal joint (MCP) joint of the 5th digit (small finger)?

What must happen before a muscle can act upon (or move) a specific joint?

 When you extend your elbow, which nerve is supplying the muscles involved?

squat.png In this picture, are the lower extremities being used in an open-chain or closed-chain manner?

Which of the following terms means “towards midline”?

doorknob.png In this picture, what motion occurs at the forearm as the doorknob turns to the right (as shown by the arrow)?

The axis of motion lies perpendicular to the plane in which the motion occurs.  Which of the following axes of motions allows for movement in the sagittal plane?

There is an optimum range of a muscle within which it contracts most effectively.  This concept is referred to as the length-tension relationship.  Which of the following positions of a muscle produces the least amount of strength?