S

Sherman Classification

The Sherman classification identifies the positioning of an anterior cruciate ligament (ACL) tear. Page updated January 2024 by Dr Sheila Strover (Clinical Editor)

Shin bone

The shin bone larger bone of the lower leg, correctly called the 'tibia'.

Short arc extensions

Short arc extensions are knee rehabilitation exercises to re-trigger quads activity.

Side-stepping

Side-stepping is a knee rehabilitation exercise to improve hip abduction.

Single-bundle ACL graft

A single-bundle ACL graft is a reconstruction of the anterior cruciate ligament using a 'single-bundle' of graft material as opposed to a 'double-bundle'.

Single-photon-emission computed tomography

Single-photon-emission computed tomography is a radioactive imaging technique to give information about blood flow in the body.

Single Stage Autologous Chondrocyte Implantation

Single Stage Autologous Chondrocyte Implantation (STACi) is a one-step surgical cartilage repair procedure.

Slocum test

The Slocum test is a modification of the anterior drawer test and a positive result indicates damage to the anterior cruciate ligament and/or one of the stabilising structures on the side of the knee. Page updated May 2024 by Dr Sheila Strover (Clinical Editor)

Small-incision knee replacement

A small-incision knee replacement is a knee replacement performed with a smaller incision than traditionally, and using special techniques and instruments.

Snapping

Snapping is a knee symptoms where the patient experiences a sharp noisy snap of structures usually at the outer side or back of the knee.