![]() ![]() ![]() Crossing both the hip and knee joints, it can induce movement at both the hip and knee. Gracilis: The gracilis is the most superficial and medial of the adductor group muscles.Obturator Externus: This is one of the smaller muscles of the medial thigh, and it is located most superiorly.Adductor Brevis: The adductor brevis is a short muscle lying underneath the adductor longus.Actions: Adducts, flexes, and extends the thigh.Attachments: Originates from the pubis and attaches to the femur.Adductor Magnus: The adductor magnus is the largest and most posterior of the adductor group muscles.Actions: Adduction and medial rotation of the thigh.Attachments: Originates from the pubis and broadly attaches to the femur.Adductor Longus: The adductor longus is a large, flat muscle covering the adductor magnus and adductor brevis.All of the lateral rotator group muscles originate from the pelvis and attach to the femur. The muscles of the lateral rotator group are deeply located and as the name suggests, act to laterally rotate the thigh at the hip. Attachments: Originates from the pelvis and attaches to the femur.Gluteus Minimus: The gluteus minimus is the deepest and smallest of the superficial gluteal muscles and performs a similar function to the gluteus medius.Actions: Abducts and medially rotates the thigh and fixes the pelvis during walking.Attachments: Originates from the posterior of the pelvis and attaches to the femur.Gluteus Medius: The fan-shaped gluteus medius muscle lies between the gluteus maximus and minimus and performs a similar function to the gluteus minimus.Is only used when the generation of force is required (e.g. Actions: Extends of the thigh and assists with rotation. ![]() Attachments: Originates from the posterior of the pelvis and coccyx (tailbone) and attaches to the femur.Gluteus Maximus: The gluteus maximus is the largest of the gluteal muscles and gives structure to the buttocks.Movement at the hip is similar to that of the shoulder joint, but due to increased weight-bearing requirements the range of potential movements is reduced. Hip joint muscles are divided into four groups according to their orientation and function. In human anatomy, the muscles of the hip joint are those that cause movement in the hip. iliopsoas group: The iliacus and psoas major.gluteal group: The gluteus maximus, gluteus medius, gluteus minimus, and tensor fasciae latae.lateral rotator group: The externus and internus obturators, the piriformis, the superior and inferior gemelli, and the quadratus femoris.adductor group: The adductor brevis, adductor longus, adductor magnus, pectineus, and gracilis.This motion is aided by the gluteus maximus and the adductor magnus. The lateral rotator group of muscles (externus and internus obturators, the piriformis, the superior and inferior gemelli, and the quadratus femoris) turns the anterior surface of the femur outward.The iliopsoas group of muscles (iliacus and psoas major) is responsible for hip flexion.The adductor group (adductor brevis, longus, and magnus along with petineus and gracilis) moves the femur towards the midline from an abducted position.The gluteus maximus extends the hip, while the gluteus medius and minimus are involved in hip rotation and abduction (moving hip out from the midline). ![]()
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