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Adduction is an anatomical term of motion referring to a movement which brings a part of the anatomy closer to the middle sagittal plane of the body. Upper limb [ edit ]
Adductor brevis; Adductor longus; Adductor magnus; Adductor minimus This is often considered to be a part of adductor magnus. pectineus; gracilis; Obturator externus [1] is also part of the medial compartment of thigh; The adductors originate on the pubis and ischium bones and insert mainly on the medial posterior surface of the femur.
The adductor longus arises from the body of pubis inferior to pubic crest and lateral to pubic symphysis. [1] It lies ventrally on the adductor magnus, and near the femur, the adductor brevis is interposed between these two muscles. Distally, the fibers of the adductor longus extend into the adductor canal. [1]
"Reverse motions" need antagonistic pairs located in opposite sides of a joint or bone, including abductor-adductor pairs and flexor-extensor pairs. These consist of an extensor muscle, which "opens" the joint (by increasing the angle between the two bones) and a flexor muscle, which does the opposite by decreasing the angle between two bones.
The psoas is the primary hip flexor, assisted by the iliacus. The pectineus, the adductors longus, brevis, and magnus, as well as the tensor fasciae latae are also involved in flexion. The gluteus maximus is the main hip extensor, but the inferior portion of the adductor magnus also plays a role. The adductor group is responsible for hip adduction.
[14] [15] There are between 600 and 840 muscles within the typical human body, depending on how they are counted. [ 16 ] [ 17 ] [ 18 ] In the present table, using statistical counts of the instances of each muscle, and ignoring gender-specific muscles, there are 753 skeletal muscles.
Its upper portion forms the lateral border of the femoral triangle, and the point where it crosses adductor longus marks the apex of the triangle. Deep to sartorius and its fascia is the adductor canal, through which the saphenous nerve, femoral artery and vein, and nerve to vastus medialis pass. [3]
Adductor muscles of the hip, the most common reference in humans, but may also refer to Adductor brevis muscle, a muscle in the thigh situated immediately behind the pectineus and adductor longus; Adductor hallucis muscle, a muscle responsible for adducting the big toe; Adductor longus muscle, a skeletal muscle located in the thigh