Muscles - Name, Position And Actions Flashcards
Biceps Brachii ( superficial) crosses both shoulder and elbow
Postion upper arm
Action. Elbow flexion
Forearm supination
Shoulder flexion
Brachiallis ( deep to the biceps )
Crosses over elbow to ulna
Position Upper arm
Action Elbow flexion
Brachiordials ( starts at humerus ) crosses over elbow joint runs along the radius
Position Forearm
Action. Elbow flexion
Wrist and fingers On front ( anterior side ) flexors
Position. Forearm
Action. Flexion
Wrist and fingers ( posterior side )
Extensors
Position. Forearm
Action. Extension
Triceps brachii - 3 origins
Position. Upper arm
Action. Elbow extension
Shoulder extension
Anterior deltoid - shoulder
Starts at clavicle runs down to humerus
Position. Shoulder
Action Shoulder flexion
Horiz shoulder flexion
Medial deltoids ( middle )
Position. Shoulder
Action shoulder abduction
Posterior deltoid back of shoulder
Position. Shoulder
Action. Shoulder ext
Horiz shoulder ext
Rectus Femoris ( front thigh ) anterior
Straight up middle of femur down onto tibia
Position. Front thigh
Action Knee ext
Hip flexion
Vastus laterals - lateral thigh
Position. Lateral thigh
Action. Knee ext
Vastus medials - medial thigh
Position. Medial thigh
Action. Knee ext
Vastus intermedials front thigh
Position. Front thigh
Action. Knee ext
Bicep femoris
Only hamstring wit two heads
Postiton. Back thigh
Action. Knee flexion
Hip ext
Semitendinosus
Posterior side back thigh
Back thigh
Knee flexion
