Flexor Digitorum Superficialis

Flexor Digitorum Superficialis hand muscle

Flexor Digitorum Superficialis is sometimes also known as Flexor Digitorum Sublimis. It is one of the wrist and hand flexor muscles. It is found in the palm side of the forearm and wrist.

  • Origin – Medial epicondyle of the humerus.
    Medial coronoid process.
    Radial tuberosity. 
  • Insertion – Splits into 4 tendons which insert to the sides of the middle Phalange of the four fingers. 
  • Actions – Flexion of the wrist. Flexion of the fingers. 
  • Innervation – Median nerve. 
  • Daily uses – Making a fist. 
  • Example strengthening exercises – Wrist flexion using a dumbbell. 
  • Example stretches – Wrist flexor stretch.
  • Related muscles – Flexor carpi ulnaris. Flexor carpi radialis. Flexor pollicis longus.
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