All of the following muscles contribute to the rotator cuff except…

Explain HOW and WHERE calcium contributes to each step of the skeletal muscle physiology.  Be specific and answer in complete sentences.  (2 points each) a. Neuromuscular Junction:    b. Excitation-Contraction Coupling:    c. Cross-Bridge Cycling:

The glenohumeral (shoulder) joint is classified as a __________ joint, and has the more specific classification of __________.

A. Identify this muscle. (2 points) B. Identify this muscle. (2 points) C. Are muscles “A” and “B” synergists or antagonists? Explain. (2 points)

All of the following muscles create movement of the arm at the shoulder EXCEPT…

Match each of the following movements with its description. Each answer is used only once. (1 point each)

Determine what actions were done to assume this position AND what muscles were used to create those actions.  One action and muscle are required at each joint location.  (2 points per joint; 16 points total) Action @ the Joint Muscle that Contracted to Create that Action a. head @ neck:   b. spine @ torso:   c. scapula:   d. arm @ shoulder:   e. forearm @ elbow:   f. thigh @ hip:   g. leg @ knee:   h. foot @ ankle:  

A. Name the muscle shown here that separates the thoracic and abdominal cavities.  (2 points) B. Which of the intercostal muscles (internal or external) act as a synergist during inspiration?  (2 points)

The cross beds shown in the photograph below were most like formed by a current flowing

Original layering in the protolith, shearing, and metamorphic differentiation contribute to what characteristic of gneiss?