Question

True/False  

47. Fiber type is primarily determined by the alpha motor neuron

48. Endurance exercise promotes the conversion of Type IIa to Type I

49. ATP is required to “break” the attachment of the myosin head from actin (to relax).

50. An increase in the number of androgen receptors would increase after chronic (several months) of exposure to supra physiological (abnormally high) levels of testosterone.

51. A male and female with the same muscle mass will be similar in strength

52 . During a concentric contraction the size of the H zone will decrease

Answer 1