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MUSCULAR SYSTEM
| Question | Answer |
|---|---|
| raises eyebrows | frontalis |
| blinks and closes eye | orbicularis oculi |
| closes and protrudes lip | orbicularis oris |
| close jaw (2) | 1. temporalis 2. masseter |
| raises corner of mouth | zygomaticus |
| compresses cheek (as in sucking) | buccinator |
| holds food between teeth during chewing | buccinator |
| flexes neck | sternocleidomastoid |
| laterally rotates head | sternocleidomastoid |
| tenses skin of neck (as in shaving) | platysma |
| adducts and flexes humerus | pectoralis major |
| flexes vertebral column | rectus abdominis |
| flexes and rotates vertebral column | external oblique |
| flexes elbow and supinates forearm | biceps brachii |
| flexes elbow | brachialis |
| abducts humerus/arm | deltoid |
| flexes hip | iliopsoas |
| adduct and medially rotate thigh | adductor muscles |
| flexes thigh on hip | sartorius |
| extend knee | quadriceps group |
| flexes hip on thigh | rectus femoris |
| dorsiflexes and inverts foot | tibialis anterior |
| extends toes | extensor digitorum longus |
| plantar flex and evert foot | fibularis muscles |
| fixes aponeurosis and pulls scalp posteriorly | occipitalis |
| raises, retracts, and rotates scapula | trapezius |
| extends and adducts humerus | latissimus dorsi |
| extends and laterally flexes spine (2) | 1. erector spinae 2. quadratus lumborum |
| extends elbow | triceps brachii |
| flexes wrist and abducts hand | flexor carpi radialis |
| flexes wrist and adducts hand | flexor carpi ulnaris |
| flexes wrist and fingers | flexor digitorum superficialis |
| extends wrist and abducts hand | extensor carpi radialis |
| extends fingers | extensor digitorum |
| extends hip (when forceful extension is required) | gluteus maximus |
| abducts thigh | gluteus medius |
| steadies pelvis during walking | gluteus medius |
| flex knee and extend hip | hamstring muscles |
| plantar flexes foot and flexes knee | gastrocnemius |
| plantar flexes foot | soleus |
| muscles in the quadricep group (4) | 1. vastus medialis 2. vastus intermedius 3. vastus lateralis 4. rectus femoris |
| hamstring muscles (3) | 1. biceps femoris 2. semitendinosus 3. semimembranosus |
| muscles commonly used for intramuscular injections (3) | 1. deltoid 2. gluteus medius 3. vastus lateralis |
| used to grin | zygomaticus |
| muscle used during whistling | buccinator |
| used in blinking and squinting | orbicularis oculi |
| its contraction makes the "sad clown" face (pulls the corners of the mouth downward) | platysma |
| raises your eyebrows for a questioning expression | frontalis |
| your "kisser" | orbicularis oris |
| allows you to "bite" that carrot stick | masseter |
| tenses skin of the neck during shaving | platysma |
| a major spine flexor | rectus abdominis |
| prime mover for pulling the arm posteriorly | latissimus dorsi |
| elbow extender | triceps brachii |
| helps form the abdominal girdle (4) | 1. rectus abdominis 2. external oblique 3. internal oblique 4. transversus abdominis |
| allows you to raise your arm laterally | deltoid |
| extends and adducts wrist | extensor carpi ulnaris |
| shoulder adductors (2) | 1. pectoralis major 2. latissimus dorsi |
| flexes elbow; supinates the forearm | biceps brachii |
| small muscles between the ribs | intercostals |
| extends the head and spine | erector spinae |
| lateral compartment muscle that plantar flexes and everts the ankle | fibularis (peroneus) muscles |
| forms the buttock | gluteus maximus |
| a prime mover of ankle plantar flexion | gastrocnemius |
| a prime mover of ankle plantar dorsiflexion | tibialis anterior |
| muscles that insert into the tibial tuberosity (2) | 1. vastus muscles 2. rectus femoris |
| muscles that extend thigh and flex knee (3) | 1. biceps femoris 2. semimembranosus 3. semitendinosus |
| a prime mover of inversion of the foot | tibialis anterior |
| a prime mover of dorsiflexion of the foot | tibialis anterior |
| adduct the thigh, as when standing at attention | adductor group |
| extends the toes | extensor digitorum longus |
| extends knee and flexes thigh | rectus femoris |
| used to extend the hip when climbing stairs | biceps femoris |
| prime movers of plantar flexion (2 muscles) of the foot | 1. gastrocnemius 2. tiblialis posterior |
Created by:
olympustudies
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