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26 Cards in this Set
- Front
- Back
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Which bone of the forearm articulates with the HUMERUS?
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The ULNA
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Which bone of the forearm articulates with the wrist?
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RADIUS
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What membrane connects the RADIUS and ULNA?
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INTEROSSEOUS MEMBRANE
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What type of joint exists between the RADIUS and ULNA?
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Syndesmosis
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What is the name of the point at the distal end of the RADIUS and ULNA?
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STYOID PROCESS
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What is the name of 'bump' of the elbow?
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OLECRANOON PROCESS
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Where does the PRONATOR TERES Originate?
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Epicondyl process of HUMERUS.
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What is the origin of the superficial flexors of wrist and digits?
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Common origin
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List Superficial flexors of wrist and digits in order from lateral to medial
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PRONATOR TERES
FLEXOR CARPI RADIALIS PALMARIS LONGUS FLEXOR DIGITORUM SUPERFICIALIS FLEXOR CARPI ULNARIS |
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Where does FLEXOR DIGITORUM SUPERFICIALIS insert?
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Second Phalanx of all fingers except thumb
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What are the deep flexor muscles of the wrist and digits?
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FLEXOR POLLICIS LONGUS
FLEXOR DIGITORUM PROFUNDUS |
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Where does FLEXOR DIGITORUM PROFUNDUS Insert?
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Distal phalanx of all fingers except thumb.
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What differentiates BRACHIORADIALIS from the other anterior muscles of the forearm?
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Action: Flexes forearm not wrist
Origin: Not Common Origin Innervation: RADIAL NERVE |
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What muscles make up the "Anatomical snuff box"?
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The TENDONS from:
ABDUCTOR POLLICIS LONGUS EXTENSOR POLLICIS BREVIS EXTENSOR POLLICIS LONGUS |
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What are the superficial Extensors of the wrist and digits from Thumb to Pinky?
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EXTENSOR CARPI RADIALIS LONGUS
EXTENSOR CARPI RADIALIS BREVIS EXTENSOR DIGITORUM EXTENSOR DIGITI MINIMI EXTENSOR CARPI ULNARIS |
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What action do muscles on the posterior of the forearm do to the thumb?
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Abduction
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What branches from the BRACHIAL ARTERY?
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RADIAL ARTERY
ULNAR ARTERY |
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What branches from the ULNAR ARTERY?
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COMMON INTEROSSEOUS ARTERY (very short)
Branches: POSTERIOR INTEROSSEOUS ARTERY ANTERIOR INTEROSSEOUS ARTERY |
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What is Innervated by the ULNAR NERVE?
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FLEXOR CARPI ULNARIS
Medial 1/2 of FLEXOR DIGITORUM PROFUNDUS |
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What is Innervated by the MEDIAN NERVE?
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All flexor muscles except FLEXOR CARPI ULNARIS & MEDIAL 1/2 of FLEXOR DIGITORUM PROFUNDUS (ULNAR NERVE)
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What Innervates the Forearm Extensor Compartment
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RADIAL NERVE itself
or via: POSTERIOR INTEROSSEOUS BRANCH |
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What Innervates the skin laterally from below the elbow to the wrist?
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LATERAL CUTANEOUS NERVE
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What does the MUSCULOCUTANEOUS NERVE become?
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LATERAL CUTANEOUS NERVE
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What causes a 'funny bone'?
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Entrapment of the ULNAR NERVE.
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What causes 'Wrist drop'?
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Lesion of the RADIAL NERVE.
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What nerve passes through the SUPINATOR?
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POSTERIOR INTEROSSEOUS NERVE (branch of RADIAL NERVE)
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