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Muscles of the Extre
HS I
| Question | Answer |
|---|---|
| Insertion | The place where the muscle is attached to the bone that moves. |
| Origin | The place where the muscle is attached to the bone that does not move. |
| Deltoid | Origin on clavicle and scapula; insertion on humerus; Abducts arm, moves arm anteriorly and posteriorly |
| Biceps brachii | Origin on scapula, above shoulder, insertion on radius; flexes arm |
| Triceps brachi | Origin on scapula and back (posterior) humerus; insertion on back of ulna. |
| Brachioradialis | Origin is side (lateral) humerus; insertion lateral, distal radius |
| Vastus lateralis | Origin upper femur: Insertion Insertion lateral patella and anterior upper tibia by way of a tendon. Extends knee |
| Gastrocnemius | Origin bottom (distal ) femur; insertion achilles tendon which connects to heel (calcaneous) Points toes |
| Soleus | Origin back of fibula; insertion in achilles tendon which connects to heel (calcaneous) flexes toes |
| Sartorius | Origin side of hip (lateral iliac): side of the top of the tibia: Flexes knee and laterally rotates leg |