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Skeletal muscle hypertrophy after aerobic exercise training
Adam R Konopka1, Matthew P Harber
11Mayo Clinic College of Medicine, Endocrine Research Unit, Rochester, MN; and 2Taylor University, School of Natural and Applied Sciences, Upland, IN.
Exercise and Sport Sciences Reviews
|February 11, 2014
Summary
Aerobic exercise training significantly impacts skeletal muscle size by altering protein metabolism and promoting muscle growth. This challenges the long-held belief that endurance exercise has minimal effects on muscle hypertrophy.
Area of Science:
- Exercise Physiology
- Skeletal Muscle Biology
- Protein Metabolism
Background:
- Conventional understanding posits that aerobic exercise training minimally influences skeletal muscle size.
- This view contrasts with emerging evidence on the adaptive responses of muscle to aerobic stimuli.
Purpose of the Study:
- To investigate the effects of aerobic exercise training on skeletal muscle protein metabolism.
- To determine if aerobic exercise can induce skeletal muscle hypertrophy, challenging existing dogma.
Main Methods:
- Analysis of protein metabolism markers following aerobic exercise.
- Assessment of skeletal muscle size changes in response to chronic aerobic training protocols.
Main Results:
- Aerobic exercise acutely and chronically modulates skeletal muscle protein metabolism.
- Evidence demonstrates that aerobic exercise training induces significant skeletal muscle hypertrophy.
Conclusions:
- Aerobic exercise training is a potent stimulus for skeletal muscle hypertrophy.
- Findings offer a new perspective on skeletal muscle mass regulation and potential exercise-based interventions for muscle loss prevention.
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