what is an agonist
A. a muscle that includes a contractions to move a part of the body directly
B. and muscle that includes a counteractive action of another specified muscle
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define cogwheel rigidity
A. form of hypertonicity that involves difficulty moving the muscle groups on both sides of the joint and is related with Parkinson’s
B. increased muscle tone results in continuous resistance to passive movements to a limbs entire range of motion
C. increased muscle tone results in jerky, alternating resistance to passive movements as muscle contracts or relaxes
D. severe spasticity at joint
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