Sartorius Muscle - Origin, Insertion, Innervation & Actions - Anatomy | Kenhub
The sartorius muscle is a long, thin, superficial muscle of the thigh, which is involved in flexion of the thigh at the hip joint, and rotation of the leg at the knee joint. Learn more about this and other anterior thigh muscles on our website: https://khub.me/zwwn6
Oh, are you struggling with learning anatomy? We created the ★ Ultimate Anatomy Study Guide ★ to help you kick some gluteus maximus in any topic. Completely free. Download yours today: https://khub.me/jqlsv
The origin of the sartorius muscle is at the anterior superior iliac spine of the pelvic bone. From there, it courses spirally towards the knee region. Its insertion is at the pes anserinus, found medially, on the tibial tuberosity.
1:24 Origin & insertion
1:55 Innervation
2:10 Actions/Functions
The sartorius muscle is a biarticular muscle, in that it moves both the hip and knee joints.
- At the hip joint, contraction of this muscle results in flexion of the hip joint. In addition, it is involved in the abduction and outward, or lateral rotation of the hip joint.
- At the knee joint, it forces a flexion and inward, or medial rotation. The flexion movement is the result of the tendon inserting at the knee joint behind the flexion-extension axis.
When all five of the movements mentioned here are executed simultaneously, the legs would cross like in a tailor seat. Therefore, the “tailor’s muscle” is most easily palpable in this position.
Want to test your knowledge on the sartorius, and other anterior thigh muscles? Take this quiz: https://khub.me/fjm2t
Read more on the sartorius muscle, and check its functions in 3D in this article: https://khub.me/4gjec
For more engaging video tutorials, interactive quizzes, articles and an atlas of Human anatomy and histology, go to https://khub.me/753lw
Видео Sartorius Muscle - Origin, Insertion, Innervation & Actions - Anatomy | Kenhub канала Kenhub - Learn Human Anatomy
Oh, are you struggling with learning anatomy? We created the ★ Ultimate Anatomy Study Guide ★ to help you kick some gluteus maximus in any topic. Completely free. Download yours today: https://khub.me/jqlsv
The origin of the sartorius muscle is at the anterior superior iliac spine of the pelvic bone. From there, it courses spirally towards the knee region. Its insertion is at the pes anserinus, found medially, on the tibial tuberosity.
1:24 Origin & insertion
1:55 Innervation
2:10 Actions/Functions
The sartorius muscle is a biarticular muscle, in that it moves both the hip and knee joints.
- At the hip joint, contraction of this muscle results in flexion of the hip joint. In addition, it is involved in the abduction and outward, or lateral rotation of the hip joint.
- At the knee joint, it forces a flexion and inward, or medial rotation. The flexion movement is the result of the tendon inserting at the knee joint behind the flexion-extension axis.
When all five of the movements mentioned here are executed simultaneously, the legs would cross like in a tailor seat. Therefore, the “tailor’s muscle” is most easily palpable in this position.
Want to test your knowledge on the sartorius, and other anterior thigh muscles? Take this quiz: https://khub.me/fjm2t
Read more on the sartorius muscle, and check its functions in 3D in this article: https://khub.me/4gjec
For more engaging video tutorials, interactive quizzes, articles and an atlas of Human anatomy and histology, go to https://khub.me/753lw
Видео Sartorius Muscle - Origin, Insertion, Innervation & Actions - Anatomy | Kenhub канала Kenhub - Learn Human Anatomy
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14 июля 2014 г. 18:34:27
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