Flexor digitorum superficialis and profundus Contents Anatomy pictures Flexor digitorum superficialis - medial view Flexor digitorum superficialis - anterior view Flexor digitorum profundus - anterior view Flexor digitorum profundus - medial view Referred pain pattern Muscle type Postural Shortens when overactivated Symptoms Loss of range of motion in extension of fingers 'Explosive pain' that radiates out the end of the fingers Difficulty using tools where you squeeze with the fingers (power tools for grip for example) Trigger finger Muscle attachment zones Flexor digitorum superficialis - anterior view Flexor digitorum superficialis - anterior view Flexor digitorum superficialis - hand Flexor digitorum profundus - anterior view Flexor digitorum profundus - anteromedial view Flexor digitorum profundus - posterior view Flexor digitorum profundus - hand Videos - treatment techniques Detailed version Anatomy Flexor digitorum superficialis Position Superficial Origin Medial epicondyle humerus Processus coronoideus ulnae Anterior aspect of radius, proximal 1/2 Insertion Middle phalanx on the 2.-5. fingers, anterior surface Main function MCP joint Flexion PIP joint Flexion Wrist Flexion Secondary function Elbow: Flexion Nerve innervation Segmental C7-Th1 Peripheral Nervus medianus Arterial supply Ulnar artery Radial artery Flexor digitorum profundus Position Deep Origin Proximal 1/2 of medial and anterior part of ulna Membrana interossea Insertion Anterior surface of distal phalanx of 2.-5. finger Main function MCP joint Flexion PIP joint Flexion DIP joint Flexion Wrist Flexion Nerve innervation Segmental C7-Th1 Peripheral Nervus medianus Nervus ulnaris Arterial supply Ulnar artery Radial artery Anterior interosseus artery
