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7 Cards in this Set
- Front
- Back
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Superficial Layer of Extensor Muscles |
Brachiradialis Extensor Carpi radialis longus/brevis Extensor carpi ulnaris Extensor Digitorum Exetensor Digiti Minimi *Extensor tendons held in place by extensor retinaculum @ wrist to prevent bowstringing of tendons during hyperextension |
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Brachioradialus (remeber) |
Even though its part of the posterior compartment (extensors) is FLEXES the forarm. |
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Extensor Expansion |
Common insertion for the tendons of: Ext. Digitorum and Ext. Digiti minimi Interosseus muscles Lumbrical muscles |
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Deep Layer of Extensor (posterior) muscles |
Supinator Abductor pollicis longus Extensor pollicis longus Extensor pollicis brevis Extensor indicis |
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Anatomical Snuff Box |
Lateral boundary: abductor pollicis longus & extensor pollicis brevis Medial boundary: extensor pollicis longus Contents: Radial A. |
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Movement of Wrist (radiocarpal) |
FCU and FCR work together to produce flexion FCR and ECRL &ECRB work to produce abduction FCU and ECU work to produce adduction FCR and ECRL &ECRB work to produce extension |
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Power Grip (Power Finger Flexion) |
Flexor Digitorum superficialis and profundus Flexor pollicis longus & Brevis Wrist extensors (Ext. Carpi Radialis longus &brevis and extensor carpi ulnaris)- extend wrist, lengthens flexor muscles, allows them to contract more forcefully. |
