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18 Cards in this Set
- Front
- Back
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muscles of inhalation
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diaphragm, external intercostals
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muscles of exhalation
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diaphragm, internal intercostals, innermost intercostals, external abdominal oblique,
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muscle prime mover of respiration
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diaphragm
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muscles extend head
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trapezius
splenius capitis semispinalis capitis |
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function of orbicularis oris
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encircles mouth, closes lips, protrudes lips as in kissing, uniquely developed in human for speech.
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neck muscles
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sternocleidomastoid - unilateral action tilts head, rotates left to right. O - manubrium of sternum, medial one-third of clavicle. Ins - mastoid process and lateral half of superior nuchal line.
scalenes (ant, middle, posterior) - flexes neck, rotates face away. |
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masseter - function
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elevates mandible with smaller roles in protraction,retraction, excursion.
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galea aponeurotica function
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deed muscle that connect frontalis (raises eyebrows) and occipitalis (retracts the scalp).
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supraspinatus function
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helps Deltoid in abduction of arm, resist downward slippage of humeral head.
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triceps surae function
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gastrocnemius - plalntar flexes foot, flexes knee.
Soleus - plantar flexes foot, steadies leg on ankle during standing. |
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external urethral sphincter
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muscles that control urine flow. located at the bladder's distal inferior end in females and inferior to the prostate in males is a secondary sphincter to control the flow of urine through the urethra.
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popliteus function
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muscle in leg used to unlock the knee by lateraly rotating femur on the tibia.
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biceps femoris function
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flex the knee
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sartorius function
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Assists in flexion, abduction and lateral rotation of hip, and flexion of knee.
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lower limb muscles
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rectus femoris, vastus laterlais, vastus medialis, vastus intermedius, sartoius, biceps remoris, semitendinosus, semimembranosus, popliteus, gastroctneimus, soleus, tibialis anterior, fiburalis longus (bravis, tertius)
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muscles of upper limb
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Deltoid, biceps brachii, brachialis, subscapularis, triceps brachi, brachioradialis,
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muscles of abdomen
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rectus abdominis, transverse abdominal, internal/external abdominal oblique, serratus anterior, umbilicus
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connective tissue of abdomen
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rectus sheath, tendinous intersections, inguinal ligament, aponeurosis of ext abdominal oblique
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