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The skeletal and muscular system (Movement at joints : (Flexion (Bending…
The skeletal and muscular system
Skeleton and its functions
Functions of skeleton
Produces blood
Protects vital organs
Shape and support
Muscle attachment for movement
Types of bones
long bone
Short bone
Irregular bone
Flat bone
Joint types, structure and formation
Type of joints
Fixed Joints
Ball and Socket
Hinge Joints
Part of joints
Synovial Membrane
Synovial Fluid
Joint Capsule
Ligament
Cartilage
Tendon
Movement at joints :
Flexion
Bending the part of the body
BIcep Curl
Extension
Adduction
Abduction
Rotation
Circumdiction
Dosriflexion
Plantar Flexion
Muscles
Antagonistic muscle action
Agonist and antagonist
E.g. Bicep curl
Leg extension
Muscle fibre types
Fast twitch
contract slowly
produce little force
Higher fatigue tolerance
Good for endurance
Slow twitch
Contract quickly
Lower fatigue tolerance
Produce large amount of force
Good for strength and power
