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Obriens Needle Test
From WikiSM
Other Names
- O'brien's needle test
Purpose
Demonstration of a normal Obrien's needle test. On the left with passive dorseflexion and on the right with passive plantarflexion[1]
- Evaluate the integrity of the Achilles Tendon
- Note that this test is uncommonly performed
Description
- A 25 gauge needle is inserted perpendicular to the calf muscle
- Medial to midline, 10 cm proximal to superior border of calcenus
- Needle tip should be in substance of achilles tendon
- Normal
- Motion of the needle hub in the direction opposite that of the tendon during passive dorsiflexion and plantarflexion
Pathology
Evidence
- Unknown
See Also
References
- ↑ O’Brien T. The Needle Test for Complete Rupture of the Achilles Tendon. J Bone and Joint Surgery, 66-a (7), 1984.