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Palmaris longus

Contents

Anatomy pictures

 

Palmaris longus - anterior view
Palmaris longus - medial view

Referred pain pattern

Palmaris longus - pain pattern

Muscle type

  • Postural
    • Shortens when overactivated

Symptoms

  • Paraesthesia (pins and needles) to palm and ventral aspect of forearm
  • Dupuytren's
  • Soreness in palm, problems gripping items in palm

Muscle attachment zones

Tendon is the attachments for flexor carpi ulnaris, palmaris longus, flexor carpi radialis and pronator teres

Videos

Detailed version

Myofascial lines

Superficial ventral arm line

Anatomy

Position

  • Superficial

Origin

  • Medial epicondylus humerus
  • Fascia antebrachii

Insertion

  • Palmaris aponeurosis
  • Flexor retinaculum

Main function

  • Wrist
    • Flexion

Secondary function

  • Elbow
    • Flexion
    • Pronation

Nerve innervation

  • Segmental
    • C7-C8
  • Peripheral
    • Nervus medianus

Arterial supply

  • Ulnar artery