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Description
Mind Map by naomisargent, updated more than 1 year ago
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Created by naomisargent
over 10 years ago
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The Skeletal System - PE GCSE EdExcel
- Functions
- movement
- protection
- support
- movement
- Connective TIssues
- cartilage
- forms cushions
between bones to
stop them rubbing
- forms cushions
between bones to
stop them rubbing
- ligaments
- join bone to bone
- join bone to bone
- tendons
- join muscle to bone/(other muscles)
- join muscle to bone/(other muscles)
- cartilage
- Kinds of Joint Movement
- extension
(opening a joint)
- flexion (closing a joint)
- adduction
(moving towards
an imaginary
centre line)
- abduction (moving AWAY
from an imaginary centre
line)
- rotation (turning a limb)
- extension
(opening a joint)
- Types of Movable Joint
- ball and socket
- e.g. shoulder
- moves in all directions
- rotates
- allows ALL kinds of joint movement
- e.g. shoulder
- hinge
- e.g. knee/elbow
- goes backwards and forwards
- can't go
side to side
- allows flexion and
extension
- e.g. knee/elbow
- ball and socket
- Exercise
- can increase bone density
- denser = stronger
- puts stress through the bones
- stronger = less
likely to break
or fracture
- denser = stronger
- strengthens ligaments and tendons
- adapt with exercise
- less likely to injure yourself
- adapt with exercise
- can increase bone density
- weight-bearing exercise can help prevent osteoporosis
- get older = body
gets slower at
repairing and
strengthening
bones
- osteoporosis = disease
where bone density is SO
LOW your bones are
fragile and fracture easily
- where you support your whole body weight
e.g. running
- larger force on bones = the better your body is at
strengthening bone
- get older = body
gets slower at
repairing and
strengthening
bones
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