Palmaris Longus

Description

Anatomy of palmaris longus

The surface anatomy of the flexor carpi radialis and palmaris longus upon palmar flexion. The dissection of the cadaver reveals flexor carpi radialis, palmaris longus, and the median nerve

Origin

• Medial epicondyle of humerus

Insertion

• Palmar aponeurosis

Actions

• Tightens palmar aponeurosis
• Flexion of wrist
• Weak flexion of elbow

Vascular Supply

• Ulnar Artery

Innervation

• Median Nerve

Tests to Evaluate for Presence of Palmaris Longus

• Mishras Test
• Schaeffers Test
• Thompsons Test for Hand
• Pushpakumar Two Finger Sign Test

---

Clinical Significance

• Wrist Tendinopathies
• Medial Epicondylitis

---

See Also

• Wrist Pain (Main)
• Hand And Wrist Anatomy

---