Flexor digitorum superficialis

Schematic anatomy
Flexor digitorum superficialis

Arms

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Biceps

Long headShort headBrachialis · supporting muscle

Triceps

Long headLateral headMedial head

Forearms

BrachioradialisFlexor carpi radialisFlexor carpi ulnarisFlexor digitorum superficialisFlexor digitorum profundusFlexor pollicis longusExtensor carpi radialis longus & brevisExtensor carpi ulnarisExtensor digitorumExtensor pollicis longus & brevisAbductor pollicis longusPronator teresPronator quadratusSupinator

Hands

Abductor pollicis brevisFlexor pollicis brevisOpponens pollicisAdductor pollicisHypothenar musclesLumbricalsDorsal interosseiPalmar interossei
Movement guide

Flexor digitorum superficialis

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Bends the middle finger joints and contributes to grip.

01

Soft putty squeeze

Finger flexion · Soft putty

Also works

Flexor digitorum profundus, thumb flexors, intrinsic hand muscles

How to perform

Wrap your fingers around soft putty, squeeze smoothly, then release completely.

Keep the wrist neutral and avoid maximum-effort squeezing.

Example volume · 1–2 sets × 8–12 gentle reps

Referenceswww.guysandstthomas.nhs.uk

Community draft · awaiting expert review