ANATOMY
PELVIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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EXTERNAL SHUTTER
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PYRAMIDAL OF THE PELVIS
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INTERNAL SHUTTER
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GLUTEUS MINUS
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Detailed explanation-1: -Obturator externus externally rotates and helps adduct the thigh at the hip joint. It also stabilizes the head of the femur.
Detailed explanation-2: -With the hip extended, gluteus minimus externally rotates the thigh.
Detailed explanation-3: -The gluteus minimus acts in synergy with the gluteus medius to abduct and internally rotate the thigh, and contributes to the stabilization of the hip and pelvis.
Detailed explanation-4: -The lateral rotators are: the superior gemellus, inferior gemellus, obturator externus, obturator internus, quadratus femoris, and the piriformis. These muscles all originate on the pelvic area and insert onto the greater trochanter of the femur. Let’s take a quick dive into each of them, shall we?