Origin

  • Medial epicondyle of the humerus

Insertion

  • Base of the 5th metacarpal
  • Pisiform and hook of hamate

Actions

  • Flexion of the wrist
  • Ulnar deviation (adduction) of the wrist

Innervation

  • Ulnar nerve

Daily uses

  • Pulling rope towards you

How can I stretch it?

How can I strengthen it?

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