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Gluteal Muscles

11.3 -- Muscle Groups

TermDefinition
Iliopsoas Psoas Major, Iliacus
Psoas Major Origin: Transverse Processes of Lumbar Vertebrae Insertion: Femur, trochanter Action: Flex thigh at hip, rotate laterally, flex trunk.
Iliacus Origin: Iliac fossa and Sacrum Insertion: Femur, trochanter Action: Flex thigh at hip, rotate laterally, flex trunk
Gluteus Maximus Origin: Iliac crest, sacrum, cocyx, aponeurosis of sacrospinalis Insertion: Iliotibial tract of fascia lata and superior lateral part of linea aspera (gluteal tuberosity) on femur Action: Extends thigh at hip join, lateral rotation
Gluteus Minimus and Medius Origin: Ilium Insertion: Greater trochanter of femur Action: Thigh abduction at hip joint and medial rotation.
Tensor Fasciae Latae Origin: Iliac crest Insertion: Tibia by IT tract Action: Flexes and abducts thigh
Piriformis Origin: Anterior sacrum Insertion: Superior border of greater trochanter Action: Lateral rotation and abduction
Obturater internus Origin: Inner surface of obturater foramen Insertion: medial surface of greater trochanter Action: Lateral rotation and abduction
Obturater Externus Origin: Outer surface of obturator membrane Insertion: Depression inferior to greater trochanter Action: Lateral rotation and abduction
Superior gemmulus Origin: Ischial spine Insertion: Medial surface of greater trochanter of femur Action: Lateral roation and abduction
Inferior Gemmulus Origin: Ischial tuberosity Insertion: Medial surface of greater trochanter Action: Lateral rotation and abduction
Quadratus Femoris Origin: Ischial tuberosity Insertion: Elevation on intertrocanteric crest (posteriro) Action: Lateral rotation and hip joint
Created by: 100000434525601