Knee brace

A knee brace comprising:

• a support module comprising a first body, a second body, and a hinge movably coupling the first body to the second body, the hinge comprising:
• a pin on one of the first and second bodies, the pin defining a plurality of teeth thereon,
• a pinion defining a plurality of teeth thereon, and
• a receptacle on the other of the first and second bodies, the receptacle defining a plurality of teeth therein, and the receptacle being configured to receive the pin and the pinion therein,
• wherein the plurality of teeth on the pinion are configured to engage with the plurality of teeth on the pin and the plurality of teeth in the receptacle in a geared engagement such that the pin is rotatable and translatable within the receptacle;
• and
• a fastener configured to releasably attach the knee brace to a leg,
• wherein one of the first and second bodies is configured to couple with a first portion of the leg via the fastener, and the other of the first and second bodies is configured to couple with a second portion of the leg via the fastener, the first and second portions of the leg being separated by a knee joint of the leg.