Muscles With Attachment Points On the Pelvic Girdle and On the Femur Will Cause What Type of Movement?Muscles with attachment points on the pelvic girdle and on the femur will cause what type of movement?
Question
Muscles With Attachment Points On the Pelvic Girdle and On the Femur Will Cause What Type of Movement?Muscles with attachment points on the pelvic girdle and on the femur will cause what type of movement?
Solution 1
Muscles that have attachment points on both the pelvic girdle and the femur are primarily responsible for movements of the hip joint. These movements include:
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Flexion and Extension: Flexion reduces the angle between the femur and the pelvis (bringing the knee towards the chest), while extension increases it (moving the leg backwards).
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Abduction and Adduction: Abduction is the movement of the femur away from the midline of the body, while adduction brings it towards the midline.
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Medial and Lateral Rotation: Medial rotation turns the femur inwards so the knee points towards the other leg, while lateral rotation turns the femur outwards so the knee points away from the other leg.
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Circumduction: This is a combination of flexion, extension, abduction, and adduction, creating a circular motion.
The specific movement caused by a muscle will depend on its exact attachment points and the direction in which it can pull the femur.
Solution 2
Muscles that have attachment points on both the pelvic girdle and the femur are primarily responsible for movements of the hip joint. These movements include:
-
Flexion and Extension: Flexion reduces the angle between the femur and the pelvis (bringing the knee towards the chest), while extension increases it (moving the leg backwards).
-
Abduction and Adduction: Abduction is the movement of the femur away from the midline of the body, while adduction brings it towards the midline.
-
Medial and Lateral Rotation: Medial rotation turns the femur inwards towards the body's midline, while lateral rotation turns it outwards away from the midline.
-
Circumduction: This is a combination of flexion, extension, abduction, and adduction, creating a circular motion.
The specific movement caused by a muscle will depend on its exact attachment points and the direction in which it can pull the femur.
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