Monday, 15 June 2015

Quadratus Femoris : one of six Hip lateral rotators

Happy Muscle Monday! Another deep hip rotator! Today we're talkin' QUADRATUS FEMORIS, not to be confused with thigh muscle Rectus Femoris, (one of your Quads!)
 Quadratus Femoris stretches between your sits (butt) bone and femur (thight bone!)

Quadratus: refers to its 4-sided rectangular shape.

Femoris:  attaches to the femur bone



QUADRATUS FEMORIS  MUSCLE ATTACHMENT POINTS:
 
ORIGIN:  Lateral border of the ischial tuberosity
INSERTION:  Intertrochanteric crest of the femur (between the lesser & greater trochanters)

 



QUADRATUS FEMORIS MUSCLE ACTION:
 
Lateral Rotation of the Thigh at the Hip Joint 
It also assists in Adduction of the thigh at the hip joint

Lateral Rotation of the thigh at the hip joint (standing)
Thigh Adduction

 

saving the most popular hip rotator for last : PIRIFORMIS 
See you next week!