Palmaris longus
Musculus palmaris longus
MuscularSuperficial musclesArmLeft and right
View left in 3D View right in 3D
- What it is
- Small spindle-shaped muscle from the medial epicondyle with a long slender tendon passing superficial to the flexor retinaculum into the palmar aponeurosis.
- Function
- Weakly flexes the wrist and tenses the palmar aponeurosis.
- Size
- Belly ~6 cm, tendon ~15 cm.
- Clinical note
- Absent in about 15% of people; its tendon is a favourite graft for tendon and ligament reconstruction.