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15 Cards in this Set
- Front
- Back
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Rotator cuff |
supraspinatus infraspinatus teres minor subscapularis
aka SITS muscles |
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Supraspinatus and infraspinatus |
2 most commonly torn rotator cuff muscles |
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Why the median nerve is important |
only nerve that passes through the carpal tunnel -carpal tunnel syndrome is the disability that results from the median nerve being pressed in the carpal tunnel. |
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P I P |
proximal interphalangeal |
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M C P |
metacarpophalangeal -(knuckles) |
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D I P |
distal interphalangeal |
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Extrinsic |
"from the outside" muscles that originate from outside the part of the skeleton being moved |
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Intrinsic |
"from within" muscles that originate within the part being moved
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Importance of opponens pollicis |
-the tip of the thumb can be brought into contact with the tip of any finger -unique to humans |
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Borders of the "anatomical snuffbox" |
-tendon of the extensor pollicis longus -tendons of the abductor pollicis longus and extensor pollicis brevis -styloid process of the radius |
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Carpal tunnel syndrome |
swelling of the tendon sheath around the tendons of the finger flexors called tenosynovitis -median nerve is compressed due to this swelling -symptoms weakness, pain & tingling on palm and radial side of hand |
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Flexor digitorum profundus |
muscle responsible for abducting 5th digit |
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Trapezius |
muscle responsible for shrugging the shoulder |
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Extrinsic muscles of the hand
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Extensor pollicis longus, extensor pollicis brevis, abductor pollicis longus, flexor pollicis longus, extensor indicis, extensor dititi minimi, flexor digitorum profundus
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Order of the flexor tendons |
-pronator teres -flexor carpi radialis -palmaris longus -flexor carpi ulnaris |
