Interphalangeal Joints (Foot)

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Interphalangeal Joints (Foot)
Primary Type Synovial Joint
Secondary Type Hinge Joint
Bones Proximal Phalanx (Foot), Distal Phalanx (Foot)
Conditions Osteoarthritis

The great toe (hallux) has a single interphalangeal joint. The lateral four times have both a proximal and distal interphalangeal joint.

All of these joints have a similar concave-convex configuration, along with a single axis of motion in the sagittal plane producing dorsiflexion and plantarflexion.

There are collateral ligaments that are similar in location and function to those of the metatarsophalangeal joints.

There is a limited range of motion. Generally flexion is greater than extension. The proximal interphalangeal joint generally has a greater range of motion than the distal interphalangeal joint.


  • Basic Biomechanics of the Musculoskeletal System - Nordin 4th edition 2012