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MQ-9
Deep Extensor Group
Question | Answer |
---|---|
Supinator | O: supinator crest of the ulna, triangular depression in the front of the supinator crest - supinator fossa of the ulna I: proximal 1/3 of the radius IN: posterior interosseuous nerve |
Abductor Pollicis Longus | O: posterior surface of the shaft of the ulna, interosseous membrane, posterior surface of the shaft of the radius I: base of proximal phalanx. IN: posterior interosseous nerve |
Extensor Pollicis Brevis | O: posterior surface of the radius, interosseous membrane. I: base of the proximal phalanx of the thumb IN: posterior interosseous nerve |
Extensor Pollicis Longus | middle 1/3 of the posterior surface of the shaft of the ulna, interosseous membrane I: base of the distal phalanx of the thumb IN: posterior interosseous nerve |
Extensor Indicis | O: posterior surface of the ulna, interosseous membrane I: dorsal extensor aponeurosis of the 2nd digit IN: posterior interosseous nerve |