Muscle Mechanics and Training (EXSS1029)
UNIT OF STUDY
The determinants of maximal active muscle force and power production are examined in terms of the crossbridge cycle, sarcomere arrangement, myosin isoforms and the extent of muscle activation. Evidence for neural adaptations to high resistance training is examined and the practical significance of these adaptations is discussed. The responses of skeletal muscle to high-resistance training are discussed in terms of i) the control of protein synthesis, ii) sarcomere remodelling and myofibril assembly, and iii) whole muscle hypertrophy and fibre type shifts. An evidence-based approach is used to examine the dose-response relationship between high-resistance variables (load, number of sets, training, frequency, rest interval) and hypertrophy. Muscle structural and functional adaptations to disuse (bed rest, non-weight bearing, immobilization) are examined, as well as the effects of re-ambulation and re-training. The determinants of muscle range of motion and passive stiffness are discussed. The response of muscle to long term stretching (e.g. bone elongation) is examined. This is contrasted to the relative lack of muscle structural adaptation to short-term static stretch interventions.
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Further unit of study information
2hr lecture/week, 2hr practical/week
Mid semester exam (25%), practical exam (10%), tutorial assignment (5%) end semester exam (60%)
No textbook required, students are recommended to obtain unit of study manual
Includes participation in high resistance training and muscle stretch intervention
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