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41.Muscle tension does not change in isometric contractions. 42.The skeletal muscle

Question : 41.Muscle tension does not change in isometric contractions. 42.The skeletal muscle : 1417094

 

41.Muscle tension does not change in isometric contractions.

42.The skeletal muscle shortens during concentric, isotonic contraction.

43.In an isotonic contraction, about 50 percent of the energy consumed is realized as external work and the remaining 50 percent is converted to heat.

44.The work performed by a muscle is the force it develops divided by distance.

45.Oxidative phosphorylation occurs within the mitochondria of muscle cells.

46.Repaying the oxygen deficit involves the formation of lactate in fatigued muscles.

47.Anaerobic exercise is endurance-type exercise.

48.Central fatigue of a muscle directly results from the accumulation of lactic acid in the muscle.

49.Slow-oxidative muscle fibers have high resistance to fatigue.

50.Fast-oxidative muscle fibers have a high concentration of mitochondria.

 

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