R

Rosenberg view

The Rosenberg view is a weight-bearing X-ray view with the knees bent at 45 degrees, and which is sensitive in terms of looking for early osteoarthritis of the knee and joint space narrowing. Page updated March 2024 by Dr Sheila Strover (Clinical Editor)

Rotational osteotomy

Rotational osteotomy is a surgical procedure to cut a twisted bone and rotate the whole to a more functional position.

Rowing machine

Rehabilitation equipment that resembles a rowing boat.

RSD

RSD is an abbreviation of 'reflex sympathetic dystrophy'.

Runner's knee

Runner's knee is pain often experienced in runners where they are bothered by pain at the front or on the outer side of the knee.

S

Sagittal plane

The sagittal plane is the plane of a body 'slice' in a front to back direction.

Sag sign

The sag sign indicates a possible incompetency of the posterior cruciate ligament.

Saphenous nerve

The saphenous nerve is the nerve branching off from the larger femoral nerve, and which transmits sensation on the inner aspect of the leg. Page updated June 2024 by Dr Sheila Strover (Clinical Editor)

Scaffold

A scaffold in orthopaedics is a framework that is used to facilitate regenerating a damaged tissue or bone.

Schatzker classification

The Schatzker classification is a visual system for the classification of tibial plateau fractures types I - VI. Page updated July 2024 by Dr Sheila Strover (Clinical Editor)