yogabook / muscles / hand / flexor pollicis longus
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M. flexor pollicis longus
the tendon runs in the carpal tunnel
Origin: front of the radius, interosseous membrane
Insertion: base of the distal phalanx of the thumb
Innervation: Nervus interosseus anterior from Nervus medianus from Plexus brachialis from C7,C8
Antagonists:
Movement: Flexion of the thumb in both joints and palmar flexion of the wrist; weak radial abduction