The above X-ray image shows a gymnast. Many gymnasts begin training at a very young age and this can impact bone development in both positive and negative ways. a) Explain how

bones grow and develop and suggest how training as a gymnast can affect bones whilst physically training and living on a calorie restricted diet. You may use diagrams to help you if you wish./nb) Gymnasts can, from time to time, injure bones. Explain how bones repair when fractured. You may use diagrams to help you if you wish./nc) Wear and tear on bones and joints are common in high intensity and repetitive sports training. As athletes grow older, or possibly become ill, this becomes a bigger problem. Explain the effects of old age and disease on movement.