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Skeletal System (joints (cartilage, synovial fluid, ligament, tendon (not…
Skeletal System
joints
cartilage
synovial fluid
ligament
tendon
not elastic and not stretchy.
connects bone to muscle
allows muscle to pull up on the bone
Functions of the skeletal system
Types of movement
Flexion and Extention
Extention
making the angle at a hinge joint larger
Throwing a punch in boxing
Flexion
making the angle at a hinge joint smaller
bringing your arms back to block a punch in boxing
Adduction and Abduction
Adduction
Bringing a joint (ball and socket) closer to your midline.
Figure skating
Abduction
Bringing a joint (ball and socket) away to your midline.
straddle jump in trampolining