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Bonus When climbing stairs, which muscles plantar flex your foot?

The level of activity at which the muscles must begin relying on anaerobic metabolism to meet its demands is called

The radiocarpal joint is a(n) ________ joint.

During the _____ of contraction, calcium levels and the number of cross-bridges declines; lasts about 25 milliseconds

At peak levels of muscle exertion, mitochondrial activity can provide about only one third of the ATP needed. The remainder is provided through

In a triaxial articulation,

An extension past the anatomical position is known as

Bonus Each of the following muscles acts to flex the leg, EXCEPT:

ATP metabolism normally provides ________ percent of the ATP demands of a resting cell.

Drawbacks of _____ include: produces lactic acid, inefficient, it only produces 2 ATP