Learning Modules Questions Flashcards
1
Q
Why would biceps brachii not be a supinator if it attached to the ulna, instead of to the radius?
A
Supination requires the radius to move over the ulna. The ulna is fixed and does not rotate.
2
Q
WHERE DOES TIRCEPS SURAE ATTATCH AND WHY DOES THAT MEAN THEY CANT CAUSE SUPERNATION OR PRONATION
A
TRICEPS SURAE ATTATCH OT THE OLECRANON OF THE ULNA AND THE UNLNA IS FIXED
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3
Q
Thinking about the microscopic structure of muscle, why does a muscle create the greatest tension in the middle of the range of movement?
A
Optimal overlap between actin and myosin myofilaments.
