The pectineus muscle is a flat, quadrilateral shaped muscle, which extends from the anterior pelvis to the back of the femur. Continue watching the full version of this video here to learn all the functions of the pectineus:
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The pectineus muscle is a flat, quadrilateral shaped muscle, which extends from the anterior aspect of your pelvis to the posteromedial aspect of your thigh bone, or femur.
Although sometimes considered to lie within the anterior compartment of the thigh, the pectineus muscle is functionally considered to be one of the adductor muscles of the thigh, also known as the hip adductors. The adductor muscles of the thigh are a group of five muscles, which are all located in the medial compartment of the thigh, along with the obturator externus muscle. The adductor muscles of the thigh are arranged into three layers; the pectineus muscle, along with the neighbouring adductor longus muscle, are most anterior.
Unlike the other adductors of the thigh, the pectineus muscle is innervated by the femoral nerve. The femoral nerve, which originates in the lumbar plexus, in this case specifically, the anterior rami of the second and third lumbar nerves.
In the full version of this video, we will be learning the following about the pectineus muscle:
- origins, insertions and innervation;
- functions of the pectineus: movements on the hip joint.
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Want to test your knowledge on the anatomy of the hip and thigh muscles? Take this quiz:
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Read more on the anatomy of the hip adductors on this complete article https://khub.me/4lp5q
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Functions of the pectineus muscle (preview) - Human 3D Anatomy | Kenhub | |
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| Education | Upload TimePublished on 24 Sep 2018 |
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