O: Top of ulna I: Base of the distal phalanx of digits 2 - 5 A: Flexes distal phalanges at distal interphalangeal joints of medial four digits; assists with flexion of hand WikipediaQuestions
O: Humerus ulna head I: Bodies of middle phalanges of digits 2 - 5 A: Flexes middle phalanges at proximal interphalangeal joints of medial four digits; acting more strongly, it also flexes proximal phalanges at metacarpophalangeal joints and hand WikipediaQuestions
O: Flexor retinaculum, scaphoid and trapezium I: Lateral side of 1st metacarpal A: Draws 1st metacarpal laterally to oppose thumb toward center of palm and rotates it medially WikipediaQuestions
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15k 6 3m Thenar muscles of the hand (preview) - Human Anatomy - Kenhub Nov 05, 2019 1y ago Abductor Pollicis Brevis
26k 4 2m Flexor Pollicis Brevis Muscle - Origins & Function - Human Anatomy - Kenhub Aug 25, 2015 5y ago Flexor Pollicis Brevis
873 2 6m Anatomy of the Upper Limb: Thenar Muscles Jun 19, 2019 1y ago Abductor Pollicis Brevis, Adductor Pollicis, Flexor Pollicis Brevis, Opponens Pollicis