Knee A to Z

Flexion means 'bending'. Page updated September 2023 by Dr Sheila Strover (Clinical Editor)

A flexion contracture or flexion deformity is when someone is not able to fully straighten their leg either actively or passively. Page updated September 2023 by Dr Sheila Strover (Clinical Editor)

A floating meniscus is a condition where the knee meniscus has come away from its normal attachment to the tibia and is 'floating' rather than fixed. Also called a 'meniscal avulsion'. Page updated January 2024 by Dr Sheila Strover (Clinical Editor)

A small implant of metal or plastic that replaces an area of damaged joint cartilage.

A focal cartilage defect is a circumscribed area of damage of the joint cartilage.

A focal cartilage implant is an implant of metal, ceramic or plastic that replaces a small area of damaged joint cartilage. Page updated June 2023 by Dr Sheila Strover (Clinical Editor)

A focal implant is an artificial implant of metal or plastic that replaces a small and discrete area of damaged joint surface. Page updated October 2023 by Dr Sheila Strover (Clinical Editor)

Focal resurfacing involves using a small implant of metal or plastic to replace an area of damaged joint surface. Page updated September 2023 by Dr Sheila Strover (Clinical Editor)

A foot drop is difficulty lifting up the front part of the foot (dorsiflexion), often due to a nerve problem, such as damage to the common peroneal nerve.

Foot pumps are simple exercises for early leg rehabilitation where the foot is 'pumped' up and down to improve the blood flow of the limb and prevent stasis of the blood that may cause thrombosis. Page updated April 2024 by Dr Sheila Strover (Clinical Editor)