Extensor pollicis longus (EPL) is a long muscle located at the deep layer with extensor pollicis brevis, abductor pollicis longus, extensor indicis, and supinator muscle in the posterior compartment of the forearm.

This is a detailed, step by step, description on how to manual muscle test and lengthen Extensor Pollicis Longus & Extensor Pollicis Brevis by Keith Bootsma,...

How to evaluate extensor pollicis longus (EPL) strength with Manual Muscle Testing (MMT).

1989年1月1日 · This study examined the validity of Kendall's classic manual muscle test (MMT) positions for the extensor pollicis longus (EPL) and the flexor pollicis brevis (FPB) muscles. We hypothesized that these positions did not eliminate forces contributed by synergist muscles.

Continued action by the EPL will extend the MP and carpometacarpal (CMC) joints; A quick way to assess the functional status of the long thumb extensor is to flick the distal phalanx into flexion. If the finger rebounds or snaps back, it is a useful muscle. The extensor pollicis longus can rupture after a closed nondisplaced distal radius fracture.

2023年10月30日 · Extensor pollicis longus is part of the deep extensors of the forearm together with extensor pollicis brevis, abductor pollicis longus, extensor indicis and supinator muscles. It is located on the posterior aspect of forearm, extending from the middle third of the ulna, and adjacent interosseous membrane, to the distal phalanx of the thumb.

2023年3月30日 · Evidence-Informed Muscle Manual - Dr. Nikita Vizniakhttps://prohealthsys.com to learn more from trusted resources, CE seminars, anatomy, orthopedics, exercis...

The loss of extensor pollicis longus (EPL) muscle function can be tested clinically in isolation using thumb retropulsion and thumb tenodesis tests. But the assessment of EPL can be challenging in cases where EPL is intact but dysfunctional due to overly elongated tendon like in severe shortening maluninion of distal radius fracture.

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In human anatomy, the extensor pollicis longus muscle (EPL) is a skeletal muscle located dorsally on the forearm. It is much larger than the extensor pollicis brevis, the origin of which it partly covers and acts to stretch the thumb together with this muscle.