Muscle | insertion | origin | action |
massetor | zygomatic arch | mandible | closes jaw |
sternocleoimastoid | sternum and clavicle | temperal bone | flexes neck |
pectoralis major | clavicle, sternum and trus ribs | proximal humerus | adducts upper arm anteriorly |
pectoralis minor | ribs | scapula | pulls shoulders down and forward |
external oblique | lower 8 ribs | ilium and pubic | compresses abdomen |
trapezius | occipital and upper vertebrae | clavicle and scapula | raises or lowers shoulders |
latissimus dorsi | lower vertebrae and lower ribs | humerus | extends and adducts the upper arm posteriorly |
deltoid | clavicle & scapula | proximal humerus | abducts upper arm |
biceps brachii | scapula | proximal radius | flexes forearm |
triceps brachii | scapula and humerus | proximal ulna | extends forearm |
rectus femoris | ilium | patella and tibia | flexes the thigh and extends the lower leg |
gluteus maximus | ilium and sacrum | femur | extends thigh |
thigh adductors | pubic and ischium | femur | adducts thigh |
tibialis anterior | tibia | tarsal and metatarsal | flexes & inverts foot |
gastrocnemius | lower femur | Achilles tendon | extends foot & flexes lower leg |
soleus | tibia & fibula | Achilles Tendon | extends foot |
temporalis | temporal bone | coronoid process | elevates mandible |
zygomaticus | zygomatic bone | orbicularis oris | compresses the cheek inward |
teres minor | lateral border of scapula | greater tubercle of humerus | rotates arm laterally |
teres major | lateral border of scapula | groove of humerus | extends humerus or adducts and rotates arm medially |
rhomboideus | spines of upper thoracic vertebrae | medial border of scapula | raises and adducts scapula |
tesor fasciae | anterior iliac crest | fascia of thigh | abducts, flexes and rotates thigh |
sartorius | anterior superior iliac spine | medial surface of tibia | flexes leg and thigh, abducts thigh |
vastus lateralis | greater trochanter | patella by tendon | extends leg at knee |
semitendinosus | ischial tuberosity | medial condyle of tibia | flexes leg |
biceps femoris | ischial tuberosity and posterior surface of femur | head of fibula | extend thigh |
semibembranosus | ischial tuberosity | medial condyle of tibia | flexes leg |
gluteus medias | lateral surface of ilium | greater trochanter of femur | rotates thigh medially |
brachialis | anterior shaft of humerus | coronoid process of ulna | flexes forearm at elbow |
rectus abdomen | pubic bone | ribs and sternum | compresses abdomen; flexes trunk |
brachioradialis | distal lateral ends of humerus | lateral surface of radius above styloid process | flexes forearm at elbow |
gracilis | lower edge of pubic symphysis | medial surface of tibia | adducts thigh, flexes and rotates lower limb medially |
extensor digitorum longus | lateral epicondyle of humerus | posterior surface | extends fingers |
calcaneal tendon | | | |
orbicularis oculi | wall of orbit | skin around the eyelid | closes eye |
orbicularis oris | muscle fibers around the mouth | skin at the corner of the mouth | closes your lips |