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Sport - Skeletal

Sport - Skeletal System - bone growth

QuestionAnswer
What should good posture look like from the side? the letter 'S'
What should good posture look like from the front (anterior)? completely vertical
What is 'kyphosis'? when the thoracic region of the spine curves outward resulting in a 'hunchback' appearance
What can cause 'kyphosis'? poor posture or deformities of the vertebrae
What is 'scoliosis'? the abnormal curvature of the spine to the left or the right (lateral curvature) (usually in the thoracic region)
What can cause 'scoliosis'? don't know what causes it but seems to be inheritable. It is not linked to bad posture.
What is 'remodelling'? the process of bones continuously being reshaped as they are living organs
What is 'ossification'? the process in which bones are formed
What happens during 'ossification'? parts of the bone are re-absorbed so unnecessary calcium is removed and new layers of bone tissue are created
What are 'osteoclasts'? Bone destroyers. Cells that break down bone tissue and remove unnecessary calcium.
What are 'osteoblasts'? Bone builders. Cells that form new bone and bring calcium to the bone.
What happens to your bones when you exercise? they get stronger
What happens to osteoblast activity when you exercise? it increases
What does exercise do to your risk of osteoporosis? it reduces
What are 'epiphyseal plates'? areas (plates) at the ends of each long bone
What do 'epiphyseal plates' do? allow bones to grow longer
What happens once a long bone is fully formed? the end (head) of each bone fuses with the main shaft to create the epiphyseal line
Created by: samfitter
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