B

Baker's cyst

A Baker's cyst is a tense fluid-filled swelling at the back of the knee which is secondary to increased pressure of joint fluid inside the knee. Page updated June 2024 by Dr Sheila Strover (Clinical Editor)

BASEM

Abbreviation for 'British Association of Sport and Exercise Medicine'.

BASK

BASK is an abbreviation for 'British Association for Surgery of the Knee'.

Biceps femoris

The biceps femoris is the big muscle at the back of the thigh, contraction of which can flex and laterally rotate the knee. Page updated January 2024 by Dr Sheila Strover (Clinical Editor)

Biceps femoris tendinitis

Biceps femoris tendinitis is an overuse disorder of the biceps femoris tendon, leading to pain and tenderness in the hamstrings at the back of the knee.

Bicompartmental

Bicompartmental means involving two of the three compartments of the knee.

Bilateral osteotomy

Bilateral osteotomy is when an osteotomy is performed on both limbs. Page updated December 2023 by Dr Sheila Strover (Clinical Editor)

Biodegradable

Biodegradable means able to be broken down by the body.

Bio-degradable

A bio-degradable material is one that is naturally broken down over a period of time and absorbed by the body.

Biodex

Biodex is a trade name for a particular 'isokinetic' machine used both to measure knee function and for knee rehabilitation.