• Origin – femur and Ilium
  • Insertion – tibia (via patella tendon)
  • Joints crossed – knee and hip

(rectus femoris is the only

quadricep to cross both hip and

knee joints)

  • Joint action – all four muscles

extend the knee, the rectus   femoris also flexes the hip

Exercise Example – leg extension

Stretch Example – Lying Quadricep Stretch