![]() the sixth extensor compartment is then examined in short axis and in long axis ( extensor carpi ulnaris (ECU)).Ulnar deviation of the wrist will stress the ligament and assess for patency. while over the 3rd-5th compartments, the scapholunate ligament can be assessed in short axis.the fourth and fifth extensor compartment is then examined in short axis ( extensor digitorum communis, extensor indicis proprius, and extensor digiti minimi).Particular attention should be paid to the area where the EPL crosses the ECRB and ECRL tendons. the third extensor compartment is then examined in short axis ( extensor pollicis longus tendon (EPL)).The second extensor compartment is then examined in short axis ( extensor carpi radialis brevis and extensor carpi radialis longus (ECRB and ECRL). the nerve begins superficially to the compartment, and then proceed palmar to it.the artery is deep to the radial styloid.while in this position evaluate radial artery and nerve.A septum may be present that splits the compartment.The first extensor compartment is then examined in short axis ( abductor pollicis longus (APL) and extensor pollicis brevis (EPB)). ![]()
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