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Volar Wrist Musculature, Dorsal Wrist Musculature - Coggle Diagram
Volar Wrist Musculature
6 muscles
- Flexor Carpi Radialis (FCR)
- Flexor Carpi Ulnaris (FCU)
- Flexor Digitorum Superficialis (FDS)
- Flexor Digitorum Profundus (FDP)
- Flexor Pollicis Longus (FPL)
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- are digit flexors and
- secondary action at the wrist
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- all the muscles pass beneath the flexor
retinaculum
- along with the median nerve
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- Transverse Carpal Ligament
- Is the Distal portion of the flexor retinaculum
- can generate the greatest tension
among the wrist muscles
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Dorsal Wrist Musculature
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3 primary wrist muscles
- Extensor Carpi Radialis Longus (ECRL)
- Extensor Carpi Radialis Brevis (ECRB)
- Extensor Carpi Ulnaris (ECU)
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- All muscles cross beneath the extensor retinaculum,
- divided into 6 different septa
- and covered by its own sheath
- to reduce friction between the tendon and retinaculum
- The retinaculum can further prevent the bowstringing of the tendons
in active tension
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