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:  

Identify each myofilament. (1 point each) A.B.C.D.

What do the temporalis and masseter muscles have in common?

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

A. What happens to the length of a sarcomere during skeletal muscle contraction?  (1 point)   B. Describe the events of cross-bridge cycling that lead to this change; citing specific structures (myofilaments, events, sequences).  Elaborate on your answer in complete sentences.  (4points)

Answer the following questions. (1 point each) A. Identify this structure “A”.  This structure “A” attaches the __________ muscle to the __________ bone. B. Identify this structure “B”.  This structure “B” attaches the __________ bone to the __________ (feature) on the tibia bone.

A muscle cell membrane responds to stimuli with electrical changes; this is called…

Assign each description to the muscle characteristic being described. (1 point each)

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

The image below shows an igneous intrusion within a body of sedimentary rock.  The gray zone surrounding the igneous intrusion would best be characterized as a zone of ___________ metamorphism.