Muscle action
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Created by:
jazzybhoola on July 30, 2012
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65 terms
Terms | Definitions |
|---|---|
 frontallis | pulls scalp up. wrinkles forehead |
| occipitalis | pull scalp posteriorly |
| epicranial apneurosis | connects frontallis and occipitalis |
| obcularius oculi | close the eye as in blinking or winking |
| obcularious oris | closes the lips. forms shapes of lips for speaking and sometimes known as the kisser muscle |
| zygomaticus | pull lateral edges of mouth upward to smile |
| massetor | elevates the mandible closing the jaw. muscle of mastication. chewing |
| temporalis | closes the jaw. elevates mandible. muscle of mastication. chewing |
| medial and lateral ptyergoids | muscle of mastication. chewing |
| buccinator | suck cheeks in like a fish |
| platysma | shaving muscle allows to tense neck. |
| sternocladomastoid | flex neck anteriorly, laterally flex neck and rotate head. prime more or agonist. |
| trapezius | upper fibers: hyper extend the neck and neck extension. medial and lower fibers: pull shoulder back and down. antangonist muscle to sternocladomastoid |
| pectoralis major | 1. brings arm across chest medially 2. shoulder flexion bring arm out in front 3. adduction |
| pectoralis minor | 1. abductor of shoulder |
| supraspinatous | rotator cuff and they all work together. circumduction of shoulder |
| infraspinatous | rotator cuff and they all work together. circumduction of shoulder |
| teres major | adductor of shoulder |
| subscapularous | rotator cuff and they all work together. circumduction of shoulder |
| teres minor | smaller adduction |
| rhomboid major | pulls scapula posteriorly medial. like when you tighten your back muscles |
| surrateous anterior | attached to ribs. abduction of shoulder. |
| deltoid | abductor. shoulder flexion and shoulder extension. arm in front and arm in back |
| biceps brachii | flexion of arm at shoulder and flexion of arm at elbow |
| triceps brachii | extension at arm at the elbow and at the shoulder |
| corocobrachialis | shoulder adductor |
| brachialous | flexion of arm at the elbow |
| brachiioradialous | flexes arm at elbow and supinates and pronates |
| biceps | supination |
| posterior forearm | wrist extension |
| anterior forearm | wrist flexion |
| all 4 abdominal muscles | compressing abdomen |
| rectus abdominus | compressor |
| latissimus dorsi | shoulder adductor. shoulder extension |
| erector spini muscles | extend spinal column. antagonistic to rectis abdominis. posture muscles |
| quadratis lumborum | protect kidneys. deep posterior wall. |
| iliacus | hip flexor |
| soas major | hip flexor |
| iliapsoas | hip flexor |
| quadriceps | group of 4 muscles make of femoral region |
| rectus femorus | make up quadricep. flexes hip. extension of leg at the knee |
| vastus lateralous | make up quadriceps. extension of leg at the knee |
| vastus medialous | make up quadriceps. extension of leg at the knee |
| vastus intermedius | make up quadriceps. extension of leg at the knee |
| gluteus maximum | hip extension |
| gluteus meadius | hip abductor. to the side |
| bicep femorous | hip extension and flexion at the knee |
| semitendonosus | hip extension and flexion at the knee |
| semimembranosus | hip extension and flexion at the knee |
| tensor fascia lotta | hip abduction |
| iliotibial tract | tendon |
| sartorious | allows to cross legs. hip flexion and medial rotation of the hip |
| gracilious | adduction of hip |
| adductor magnus | adduction of hip |
| gastrocnemius | plantar flexion and flexes the leg at the knee. share akelies tendon |
| soleus | plantar flexion. share akelies tendon |
| tibialous anterior | dorsi flexion. eversion of the ankle |
| fibularous longus | ankle eversion. |
| diaphragm | skeletal muscle. expand thoracic cavity. |
| external intercostal | lifts ribs during inhalation |
| external intercostal | depress ribs during exhalation |
| hernia | piece of intestine that protrudes out of the weakening of the abdominal wall |
| incarcerated hernia | protruding and being stuck out with no oxygen flow |
| synergistic | two muscles doing the same thing |
| antagonistic | apposing action |
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