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| {{Infobox muscle
| | #REDIRECT [[Iliopsoas muscle]] |
| | Name = Iliopsoas muscles
| | [[Category:Redirected articles]] |
| | Latin = Musculus iliopsoas
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| | Image = Iliopsoas.png
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| | Caption = The iliopsoas muscles, consisting of the psoas major and the iliacus
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| | Origin = [[Psoas major]]: [[Transverse processes]] of [[lumbar vertebrae]]; [[Iliacus]]: [[Iliac fossa]]
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| | Insertion = [[Lesser trochanter]] of the [[femur]]
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| | Blood = [[Iliolumbar artery]]
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| | Nerve = [[Femoral nerve]]
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| | Action = [[Hip flexion]]
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| }}
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| The '''iliopsoas muscles''' are a group of muscles located in the [[pelvic region]] and are primarily responsible for [[hip flexion]]. This muscle group consists of two main muscles: the [[psoas major]] and the [[iliacus]].
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| == Anatomy ==
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| === Psoas Major ===
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| The [[psoas major]] is a long, thick muscle that originates from the [[transverse processes]] and the sides of the [[vertebral bodies]] of the [[lumbar vertebrae]]. It travels downwards to join the [[iliacus]] muscle.
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| === Iliacus ===
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| The [[iliacus]] is a flat, triangular muscle that occupies the [[iliac fossa]] on the inner surface of the [[pelvis]]. It joins the [[psoas major]] to form the [[iliopsoas]].
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| == Function ==
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| The primary function of the iliopsoas muscles is to flex the [[hip joint]]. This action is crucial for activities such as walking, running, and bending at the waist. The iliopsoas also plays a role in maintaining posture and stabilizing the [[pelvis]].
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| == Innervation ==
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| The iliopsoas muscles are innervated by the [[femoral nerve]], which arises from the [[lumbar plexus]].
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| == Blood Supply ==
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| The blood supply to the iliopsoas muscles is primarily provided by the [[iliolumbar artery]].
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| == Clinical Significance ==
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| Tightness or dysfunction in the iliopsoas muscles can lead to lower back pain and postural imbalances. Stretching and strengthening exercises can help maintain the flexibility and function of these muscles.
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| == See Also ==
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| * [[Hip flexors]]
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| * [[Lumbar spine]]
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| * [[Pelvic girdle]]
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| == References ==
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| * [[Gray's Anatomy]]
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| * [[Netter's Atlas of Human Anatomy]]
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| {{Muscles of lower limb}}
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| [[Category:Muscles of the lower limb]]
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| [[Category:Hip flexors]]
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| [[Category:Anatomy]] | |
