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

quadriceps muscles


Illustration showing three of the heads of quadriceps. The fourth head - vastus intermedius - is not seen here as it lies underneath the rectus femoris.

quadriceps muscle group


Quads contraction, showing how the rectus femoris takes much of the load as the knee extends.

Quadriceps muscle

Dr Sheila Strover (Editor)
BSc (Hons), MB BCh, MBA

See biography...