Hip flexors
Hip Flexors
The Hip Flexors are a group of muscles that act to flex the femur (thigh bone) onto the lumbar region of the spine, in simpler terms, pull the knee upward.
Pronunciation
Hip Flexors: /hɪp ˈflɛksərz/
Etymology
The term "Hip Flexors" is derived from the Latin words 'hippus' meaning 'horse' and 'flexus' meaning 'bend'. This is in reference to the action of these muscles, which is to bend or flex the hip joint.
Anatomy
The Hip Flexors consist of the Iliopsoas, Rectus Femoris, Tensor Fasciae Latae, Sartorius, and the Pectineus. Each of these muscles contributes to the flexion of the hip joint to varying degrees.
Iliopsoas
The Iliopsoas is the strongest of the hip flexors and is made up of two muscles, the Psoas Major and the Iliacus.
Rectus Femoris
The Rectus Femoris is one of the four Quadriceps muscles and is the only one that crosses the hip joint, making it a hip flexor.
Tensor Fasciae Latae
The Tensor Fasciae Latae (TFL) is a small muscle on the outside of the hip that provides stability and assists in hip flexion.
Sartorius
The Sartorius is the longest muscle in the human body and runs from the hip to the knee, assisting in hip flexion.
Pectineus
The Pectineus is a flat, quadrangular muscle situated at the anterior (front) part of the upper and medial (inner) aspect of the thigh and also assists in hip flexion.
Related Terms
- Flexion: The action of bending or the condition of being bent.
- Hip Joint: The joint between the femur and acetabulum of the pelvis.
- Muscle: A band or bundle of fibrous tissue in a human or animal body that has the ability to contract, producing movement in or maintaining the position of parts of the body.
External links
- Medical encyclopedia article on Hip flexors
- Wikipedia's article - Hip flexors
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