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15 Cards in this Set
- Front
- Back
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3 ligs involved in unhappy triad?
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MCL, ACL and Medial meniscus, ( injury is from lateral side)
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What are the rotator cuff muscles?
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supraspinatus, infraspinatus, teres minor, subscapularis
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What are the two lateral rotators of the rotator cuff mm?
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Infraspinatus, Teres minor
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What nerve innervates the teres minor?
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axillary nerve!! so lesion of axillary causes impaired adduction/lateral rotation
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Subluxation of the radius injures which nerve?
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Radial nerve ( posterior compartment)
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Erb-Duchenne, aka Waiter's tip, is due to lesion of?
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upper trunk ( C5-C6) roots
damaged lateral rotators and abductors and supinators, arm is adducted, internally rotated and pronated. |
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So childbirth defect, and thoracic outlet syndrome. Signs?
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@ C8, T1 ** Klumpke's palsy, childbirth defect
- ulnar nn affected so, hypothenar mm, interosseous mm, medial side is affected. |
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What muscles does the radial nerve innervate?
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The B.E.S.T.!!! EXTENSORS!! are from the radial nn. Brachioradialis, Extensors, Supinator, Triceps
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What are the Hand muscles?
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OAF!!! Opponens, Abductor, Flexor ( pollicus brevis) =Thenar, (digiti minimi) = Hypothenar.
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Type I muscle fibers are slow or fast twitch?
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"One Slow Red Ox"
Type 1 = slow twitch, red ( DARK MEAT) due to high mitochondria, oxidative phosphorylation --> long contractions |
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Which type of fibers undergo anaerobic glycolysis?
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Type II- fast twitch, these hypertrophy and get bulkly!! WHITE meat
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Lack of _________ causes an AD dz w/ lack of longitudinal bone growth.
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Dx: Achondroplasia
Lack of: FGFR3 (fibroblast growth factor receptor) |
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Pt. sx of Cranial Nerves, and has Anemia. Calcium, AlkPhos, normal. Disease is due to defect in what gene?
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Dx: OSTEOPETROSIS, due to defect in Carbonic Anhydrase II
- decrease bone marrow space, defect in osteoclasts, defect in cranial foramina. |
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Baker's Cyst is found?
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In the popliteal fossa, superior lateral border is rectum femorus tendom, superio-medial border is the semimembranosus/semitendanosis, inferior medial/lateral borders are the heads of the gastroc.
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Loss of sensation of lateral aspect of forearm is the?
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Musculocutaneous nerve
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