12) Why might a motor unit in the biceps brachii produce less peak (tetanic) force compared with a motor unit in the vas

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12) Why might a motor unit in the bicepsbrachii produce less peak (tetanic) force compared witha motor unit in the vastus lateralis?
a) larger diameter of muscle fibers in the motor unit ofthe b. brachii than v. lateralisb) muscle is longer in b. brachii than v.lateralis so there are more cross bridges in series c) lowerinnervation number in b. brachii than v.lateralisd) more muscle fibers in the motor unit in b.brachii than v. lateralise) higher peak discharge rate in b. brachii than v.lateralisf) higher recruitment threshold in b.brachii than v. lateralisg) None of the above would result in less force production.
15) Why might the whole biceps brachii muscleproduce less peak force than the vastus lateralis musclein the same person?
a) larger fiber diameter in b. brachii than v.lateralisb) more motor units in b. brachii than v.lateralisc) fewer muscle fibers in b. brachii than v.lateralisd) higher peak discharge rate in b. brachii than v.lateralis
e) lower recruitment threshold in b.brachii than v. lateralis
f) None of the above would result in less force production.