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Chapter 2. Prehension

Chapter 2. Prehension

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356 Appendices<br />

Table A.l<br />

Degrees of freedom (df) of the upper limb (continued)<br />

Bones Joints (tvDe) df Motions<br />

Fingers<br />

phalanges 1st metacarpophalangeal 2 flexion & extension<br />

(condyloid, synovial) abduction & adduction<br />

2nd-5th metacarpophalangeal 2+ flexion & extension<br />

(condyloid, synovial) abduction & adduction<br />

NOTE: possible only in<br />

extension<br />

slight rotation<br />

1st interphalangeal 1 flexion & extension<br />

(hinge, synovial)<br />

2nd-5th proximal 1 flexion & extension<br />

interphalangeal<br />

(hinge, synovial)<br />

NOTE: there is coupling on<br />

extension of fingers 3 and 4<br />

and individual differences in<br />

the independence of finger 5<br />

2nd-5th distal 1 flexion and extension<br />

interphalangeal NOTE: there is limited<br />

(hinge, synovial) independence of fingers 3,4<br />

and 5, with large<br />

individual differences

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