P
Physical therapist
A physical therapist is a clinician specialising in rehabilitation.
Physiotherapist
Physiotherapy is a health care profession concerned rehabilitation; musculoskeletal physiotherapy (MSK) deals with human function and movement and maximising potential.
Physis
The physis is the growth plate near the end of bones, from which the new bone cells develop.
Pie-crusting
Pie-crusting is a surgical technique where tiny holes are deliberately poked into a ligament to allow it to stretch more than usual.
Pigmented villonodular synovitis
Pigmented villonodular synovitis (PVNS) is an unusual condition of the lining inside the knee joint, where the synovial cells are abnormally laden with a brown pigment.
Piriformis muscle
The piriformis is a muscle in the buttock.
Piriformis stretch
A piriformis stretch is a knee rehabilitation exercise (stretch) to loosen the piriformis muscle and tendon.
Piriformis syndrome
The piriformis syndrome is buttock pain due to tightening or irritation of the piriformis muscle where it is crossed by the sciatic nerve.
Pivot shift test
The pivot shift test is a test to assess the integrity of both the anterior cruciate ligament and and also the other key structures that contribute to the knee's stability. Page updated June 2024 by Dr Sheila Strover (Clinical Editor)
PKR
PKR is an abbreviation of 'partial knee replacement'.