muscles

Muscle of the Month: Iliopsoas

Anterior Hip Muscles
Image via Wikipedia

The Iliopsoas is a muscle group consisting of the Iliacus and the Psoas Major and Psoas Minor. Located deep in the front of the hip these muscle are responsible for lifting the leg (hip flexion) and with the leg in a fixed position they flex the trunk. When this muscle group is tight and becomes hyper-tonic, it is thought to be the underlying culprit of many peoples’ low back pain. Extended hours leaning forward at desk work and/or driving can contribute to distorted posture or even lower crossed syndrome. An anterior pelvic tilt and a positive Thomas Test point to aΒ  body with tight iliopsoas muscle.

muscles

Muscle of the Month: Rectus Femoris

(L. straight + femur) This muscle of the quadriceps group follows a straight line down the front of the thigh originating from the anterior spine of the pelvis and attaches to the tibial tuberosity via the patellar tendon. The rectus femoris is the only quad to cross both the hip and knee joint makingΒ  it aΒ  hip flexor as well as a knee extensor muscle. This muscle is vital to knee joint stability in walking and running. ItΒ  is most susceptible to blows or trauma because of its location front and center of the thigh. Other common sports injuries include: “Jumper’s knee” and partial tears.