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Musculoskeletal
Made up of all the muscles and bones in the body as well as connective tissues, such as tendons, ligaments and other structures within the joints.
Provides form, support, movement and stability
Cardio respiratory
Made up of 2 systems:
Cardiovascular system: heart, blood vessels and blood
Respiratory system: lungs and airways
Responsible for the transport, uptake and delivery of oxygen and nutrients, as well as the removal of waste products and carbon dioxide from the body
New bone formation:
High impact exercise ( running, aerobics, gymnastics) puts the skeleton under stress. This stress encourages new bone formation
Why?
Small and un-noticeable change. But regular exercise will cause more bone formation resulting in stronger bones
Aim
Pass- outline and describe ways in which the musculoskeletal system Responds to short –term exercise
Merit- Using three sports activities compare and contrast how the musculoskeletal system responds to short term exercise
Increased production of synovial fluid-
Bones and joints have no blood supply. Instead they are nourished and lubricated by synovial fluid
Why?
Helps to keep the joints healthy
Prevents damage of the joint when put under the pressure of exercise
Spider diagram - what happens when you start to exercise. How does your body feel/ respond?
5 mins
Increased range of movement in the joints
Increased blood flow to the limbs, increased muscle temperature
Why?
When muscles , tendons become warm they become more elastic
Micro tears in muscle fibres
Exercise causes damage to the muscles called micro tears. Muscles must then repair
Why?
As the repair occurs muscles become larger and stronger