Muscles of the Anterior Compartment of the Antebrachium/Forearm Flashcards
Origin, Insertion, Action, Nerve Supply
Humero-ulnar Head Radial Head
Flexor Digitorum Superficialis Origin
Shafts of middle phalanges of digits II through V
Flexor Digitorum Superficialis Insertion
Flexes middle phalanges of medial four fingers
Flexor Digitorum Superficialis Action
Median Nerve (2)
Flexor Digitorum Superficialis Nerve Supply
Flexor Pollicis Longus
Proximal 2/3s of anterior surface of ulna and interosseous membrane
Flexor Digitorum Profundus Origin
To distal phalanges 2-5
Flexor Digitorum Profundus Insertion
Only muscle that can flex distal IP joints of the fingers; Can flex the index finger independently
Flexor Digitorum Profundus Action
Median Nerve and Ulnar Nerve
Flexor Digitorum Profundus Nerve Supply
Mid-anterior surface of radius and interosseous membrane
Flexor Pollicis Longus Origin
Distal phalanx of thumb
Flexor Pollicis Longus Insertion
Flexes distal phalanx of thumb
Flexor Pollicis Longus Action