joints
- Created by: rxbyw
- Created on: 10-04-19 20:29
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a joint is a place where two or more bones meet
pivot joints:
allows rotation
a bone is shaped like a cylinder which rotates inside another bone
in the wrist elbow and neck
in the neck the first 2 vertebrae(atlas+axis) form a pivot joint that connects the skull and spine
this joint allows you to rotate your neck
hinge joints:
allows extension and flexion
knee-tibia is joined to the femur
leg can be flexed and extended
eg squats or footballer straightens leg to kick a ball
elbow-humerus joined to ulna
arm can be flexed and extended
eg bicep curls
biceps allow flexion and triceps allow extension
ankle-hinge joint allows dorsi…
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