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3 Cards in this Set
- Front
- Back
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Finger most saggital band ruptures occur and why |
Middle finger There are no superficial fibres over the middle finger ED tendon There’s fewer connecting fibres between the middle finger and ED tendon and deep fibres of saggital band |
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What are saggital band functions |
Prevent bowstringing of the Edc during hyper ext Stabilise edc on dorsum of mp Provide lat support to mpj Transmit extensor forces to extend mp Limit prox glide of edc |
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When are saggital bands taut |
When mp is fully hyper extended prevents edc from gliding any further prox |
