Skeletal muscle
Voluntary muscle attached to bones that produces movement.
Function of skeletal muscle: movement
Contracts to move bones at joints.
Function of skeletal muscle: posture
Helps maintain body position and alignment.
Function of skeletal muscle: stabilisation
Supports joints and controls movement.
Function of skeletal muscle: heat production
Generates heat during contraction.
Major muscle: deltoid
A shoulder muscle that abducts the arm.
Major muscle: pectoralis major
A chest muscle that flexes and adducts the arm.
Major muscle: latissimus dorsi
A back muscle that extends and adducts the arm.
Major muscle: trapezius
An upper back muscle that moves and stabilises the shoulder girdle.
Major muscle: biceps brachii
A front upper-arm muscle that flexes the elbow.
Major muscle: triceps brachii
A back upper-arm muscle that extends the elbow.
Major muscle: rectus abdominis
An abdominal muscle that flexes the trunk.
Major muscle: external obliques
Side abdominal muscles that assist trunk rotation and lateral flexion.
Major muscle: hip flexors
Muscles that flex the hip. Example: iliopsoas group.
Major muscle: gluteals
Buttock muscles that extend and abduct the hip.
