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Muscle ID
identification, and function
| Term | Definition |
|---|---|
| Epicranius | elevates eyebrow when surprised |
| Orbicularis oculi | Closes eye |
| Buccinator | closes lips, and protrudes for kiss |
| Zygomaticus major | elevates corner of mouth when smiling |
| Zygomaticus minor | elevates corner of mouth when smiling |
| Platysma | depresses lower mouth and lips |
| Masseter | elevates and protracts mandible |
| temporalis | elevates and retracts mandible |
| medial pterygoid | elevates mandible and moves it from side to side |
| lateral pterygoid | depresses and protracts mandible and moves it from side to side |
| sternocleidomastoid | laterally flex neck to the same side, rotates head to opposite side, together pull head forward and down |
| splenius capitis | individually: rotates head to same side, together: bring head into upright position |
| scalenes | individually: laterally flexes head and neck to the same side together: elevates first two ribs during forceful inhalation |
| quadratus lumborum | extends lumbar region of vertebral column |
| Iliocostalis lumborum | extends lumbar region of lower six ribs |
| iliocostalis thoracis | holds spine erect |
| iliocostalis cervicis | extends cervical region of vertebral column |
| iliocostalis cervicis | extends fourth through sixth cervical vertebrae |
| longissimus thoracis | extends thoracic and upper lumbar vertebrae as well as ribs 9 and 10 |
| longissimus cervicis | extends second through sixth cervical vertebrae |
| longissimus capitis | extends and rotates head |
| spinalis thoracis | extends upper thoracic vertebrae |
| spinalis cervicis | extends axis |
| trapezius | rotates and retracts scapula, superior: elevates scapula inferior depresses scapula |
| rhomboid major | retracts, elevates and rotates scapula |
| rhomboid minor | retracts and elevates scapula |
| levator scapulae | elevates scapula |
| pectoralis minor | depresses and protracts scapula, elevates ribs during forceful inhalation |
| coracobrachialis | flexes shoulder and adducts arm |
| pectoralis major | flexes shoulder, adducts, and rotates arm medially |
| teres major | extends shoulder, adducts, and rotates arm medially |
| latissimus dorsi | extends shoulder, adducts and rotates arm medially, or depresses and retracts shoulder |
| supraspinatus | abducts arm |
| infraspinatus | rotates are laterally |
| teres minor | rotates arm laterally |
| deltoid | lateral portion abducts arm, anterior flexes shoulder, posterior extends shoulder |
| biceps branchii | flexes elbow and supinate forearm and hand |
| brachialis | flexes elbow |
| triceps brachii | extends elbow |
| supinator | rotates forearm laterally; supinates forearm and hand |
| pronator teres | rotates forearm medially: pronates hand and forearm |
| pronator quadratus | rotates forearm medially; pronates forearm and hand |
| flexor carpi radialis | flexes wrist and abducts hand |
| flexor carpi ulnaris | flexes wrist and abducts hand |
| palmaris longus | flexes wrist |
| extensor digitorum profundus | flexes wrist and joints of fingers |
| extensor carpi radialis longus | extends wrist and abducts hand |
| extensor carpi ulnaris | extends wrist and adducts hand |
| extensor digitorum | extends joints of the fingers |
| external oblique | compresses abdomen, flexes and rotates vertebral column |
| internal oblique | compresses abdomen, flexes and rotates vertebral column |
| transverse abdominis | compresses abdomen, flexes and rotates vertebral column |
| rectus abdominis | compress abdomen, flexes vertebral column |
| psoas major | flexes hip |
| lilacs | flexes hip |
| gluteus maximus | extends hip |
| gluteus medius | abducts and rotates thigh medially |
| gluteus minimus | abducts and rotates thigh medially |
| piriformis | abducts and rotates thigh laterally |
| tensor fasciae late | abducts thigh, flexes hip, and rotates thigh medially |
| pectineus | flexes hip and adducts thigh |
| adductor brevis | adducts thigh and flexes hip |
| adductor longus | adducts thigh, and flexes hip |
| adductor magnus | adducts thigh, posterior portion extends and anterior portion flexes hip |
| gracilis | adducts thigh and flexes knee |
| biceps femoris | flexes knee, rotates leg laterally and extends hip |
| semitendinosus | flexes knee, rotates leg medially, and extends hip |
| semimembranosus | flexes knee, rotates leg medially, and extends hip |
| satorius | flexes knee and hip, abducts and rotates thigh laterally, and rotates leg medially |
| rectus femoris | extends knee flexes hip |
| vastus lateralis | extends knee |
| vastus medialis | extends knee |
| vastus intermedius | extends knee |
| tibialis anterior | dorsiflexion and inversion of the foot |
| fibularis tertius | dorsiflexion and eversion of foot |
| extensor digitorum longus | dorsiflexion of foot, extends toes |
| extensor halluces longus | extends great toe, dorsiflexion and inversion of foot |
| gastrocnemius | plantar flexion of foot, flexes knee |
| soleus | plantar flexion of foot |
| plantaris | plantar flexion of foot, flexes knee |
| flexor digitorum longus | plantar flexion and inversion of foot flexes four lateral toes |
| tibalis posterior | plantar flexion and inversion of foot |
| fibularis longus | superficial fibular nerve |
Created by:
user-1999535