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1. Musculoskeletal responses to acute exercise Hover over a hexagon for more information Muscle fibre micro tears Blood supply Effects Range of movement Muscle pliability

2. Musculoskeletal responses to acute exercise Blood supply The temperature and metabolic activity in the muscles increases as you exercise. To meet the increased demand of oxygen by the muscles, blood supply increases through capillary dilation. Muscle fibre micro tears Blood supply Effects Range of movement Muscle pliability

3. Musculoskeletal responses to acute exercise Muscle pliability As the muscles get warmer they become more pliable. This reduces the risk of injury. Muscle fibre micro tears Blood supply Effects Range of movement Muscle pliability

4. Musculoskeletal responses to acute exercise Range of movement Exercise stimulates the production of synovial fluid into the joint. The fluid also becomes less viscous and the range of movement at the joint increases. Muscle fibre micro tears Blood supply Effects Range of movement Muscle pliability

5. Musculoskeletal responses to acute exercise Muscle fibre micro tears The stress of exercise causes tiny micro tears in the muscle fibres. These cause swelling in the muscle tissue and muscle soreness. The soreness felt a few hours after exercise or the next day is often referred to as DOMS (delayed onset muscle soreness). Muscle fibre micro tears Blood supply Effects Range of movement Muscle pliability