Finger Articulations

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Metacarpophalangeal

Flexion

Bending the joint resulting in a decrease of angle; moving the base of the fingers toward the palm of the hand.
Finger Flexion

Extension / Hyperextension

Straightening the joint resulting in an increase of angle; moving the base of the fingers away from the palm of the hand.
 

Adduction

Medial movement toward the axial line; movement of the fingers toward the middle finger.
 

Abduction

Lateral movement away from the axial line; movement of the fingers away from the middle finger.
 

Interphalangeal

Flexion

Bending the joint resulting in a decrease of angle; moving the distal two segments of the fingers toward the base of the fingers.
 

Extension

Straightening the joint resulting in an increase of angle; moving the distal two segments of the fingers away from the base of the fingers.
 

Notes

See Wrist for midcarpal joints. Also see Thumb. Mentioned articulations occur during concentric phase of exercise video examples.


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