Essential knee terminology
Q-angle search for term

The Q-angle is a measurement that gives an indication of the likelihood of excessive forces tending to pull the patella over to the outer (lateral) side.

QALY search for term

QALY is an abbreviation for quality-adjusted life year (or quality-adjusted life-year) and is a generic measure of disease burden.

Quad sets search for term

Quad sets or quads sets are knee rehabilitation exercises to keep the quadriceps (quads) muscles from becoming inhibited after injury or surgery.

Quadriceps angle search for term

The Quadriceps angle of the knee is a measurement of the angle between the quadriceps muscles and the patellar tendon and provides useful information about the alignment of the knee joint.

Quadriceps atrophy search for term

Quadriceps atrophy is the physical wasting of the quadriceps muscle.

Quadriceps inhibition search for term

Quadriceps inhibition is a problem that may occur when the knee is very painful, and a reflex inhibits the muscle from contracting.

Quadriceps lag search for term

A 'quadriceps lag' is present when a patient cannot fully 'actively' extend the knee (straighten the leg using muscle contraction), but it can be fully 'passively' extended by the clinician.

Quadriceps muscle search for term

The quadriceps (or 'quads') muscle is the large muscle at the front of the thigh, and is composed of four heads.

Quadriceps tendinitis search for term

Quadriceps tendinitis is an overuse disorder of the quadriceps tendon.

Quadriceps tendinopathy search for term

An overuse condition, where the attachment of the quadriceps (quads) tendon to the upper pole of the patella (kneecap) becomes painful.

Quadriceps tendon search for term

The quadriceps tendon is the tendon of the quadriceps muscle, just above the kneecap and into which it inserts.

Quads search for term

The 'quads' is a short name for the 'Quadriceps muscle'.

Quads tendon search for term

The quads tendon is short for the quadriceps tendon.

Quads tendon rupture search for term

Quads tendon rupture is rupture of the tendon of the quadriceps muscle above the patella.