As a result of a resistance training program from your exercise prescription, the client demonstrates improved Muscular Fitness. Which of the following would be the least likely cause for the gains in strength? neural adaptations related to muscle fiber recruitment. a greater proportion of Type IIa muscle fibers. muscle cell hyperplasia. increased myofibrillar proteins.
Question
As a result of a resistance training program from your exercise prescription, the client demonstrates improved Muscular Fitness. Which of the following would be the least likely cause for the gains in strength? neural adaptations related to muscle fiber recruitment. a greater proportion of Type IIa muscle fibers. muscle cell hyperplasia. increased myofibrillar proteins.
Solution
The least likely cause for the gains in strength as a result of a resistance training program would be muscle cell hyperplasia. This is because muscle cell hyperplasia, which refers to an increase in the number of muscle cells, is a controversial topic in human physiology. While it is well-documented in animals, there is less evidence to support its occurrence in humans. Most research suggests that the primary mechanisms for strength gains are neural adaptations related to muscle fiber recruitment, a greater proportion of Type IIa muscle fibers, and increased myofibrillar proteins.
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