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9 Cards in this Set
- Front
- Back
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FLEXOR CARPI RADIALIS |
ORIGIN: The medial epicondyle of the humerus and the medial border of the radius
INSERTION: The palmar side of the base of metacarpals II and III
ACTION: To flex the carpus
INNERVATION: Median nerve |
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SUPERFICIAL DIGITAL FLEXOR |
ORIGIN: The medial epicondyle of the humerus
INSERTION: The palmar surface of the base (proximal end) of the middle phalanges of digits II, III, IV, and V
ACTION: To flex the carpal, metacarpophalangeal, and proximal interphalangeal joints of digits II, III, IV, and V
INNERVATION: Medial nerve |
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FLEXOR CARPI ULNARIS: - ULNAR HEAD - HUMERAL HEAD |
ORIGIN: Ulnar head- the caudal border and medial surface of the olecranon; humeral head- the medial epicondyle of the humerus
INSERTION: The accessory carpal bone
ACTION: To flex the carpus
INNERVATION: Ulnar nerve |
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DEEP DIGITAL FLEXOR: - HUMERAL HEAD - ULNAR HEAD - RADIAL HEAD |
ORIGIN: Humeral head - the medial epicondyle of the humerus, ulnar head - the proximal three fourths of the caudal border of the ulna; radial head - the middle third of the medial border of the radius
INSERTION: The flexor tubercle on the palmar surface of the distal phalanx of each digit
ACTION: To flex the carpal and metacarpophalangeal joints and the proximal and distal interphalangeal joints of the digit
INNERVATION: Median and ulnar nerves |
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FLEXOR MANICA |
At the metacarpophalangeal joint, it lies around the deep flexor tendon that passes through it forming a collar |
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DIGITAL SYNOVIAL SHEATH |
The superficial flexor tendons are in a common synovial membrane called the digital synovial sheath |
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PALMAR ANNULAR LIGAMENT |
It firmly holds the superficial and deep digital flexor tendons in place at the metacarpophalangeal joint. It crosses the flexor manica. |
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FLEXOR RETINACULUM |
The three tendons of the deep digital flexor (humeral head, ulnar head, radial head) all fuse to form a single tendon. This tendon is held in place in the carpal canal by the thick, deep part of the fibrous flexor retinaculum |
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ANNULAR DIGITAL LIGAMENTS |
It supports the deep digital flexor tendon proximal and distal to the palmar surface of the proximal interphalangeal joint |
