Wednesday 14 March 2012

Gluteal Muscles - Get to know your body

Gluteal muscles

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Gluteus maximus
The gluteal muscles are the three muscles that make up the buttocks: the gluteus maximus muscle, gluteus medius muscle and gluteus minimus muscle.

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[edit] The gluteal muscles

The gluteus maximus is the largest of the gluteal muscles and one of the strongest muscles in the human body. It inserts at the iliotibial band and the gluteal tuberosity of the femur. Its action is to extend and to laterally rotate the hip, and also to extend the trunk.

[edit] Problems associated with the gluteal muscles

Muscles of the gluteal and posterior femoral regions. Gluteus minimus and the origins and insertions of medius and maximus labeled
Sitting for long periods can lead to the gluteal muscles atrophying through constant pressure and disuse. This may be associated with (although not necessarily the cause of) lower back pain, difficulty with some movements that naturally require the gluteal muscles, such as rising from the seated position, and climbing stairs. Some[who?] attribute severe menstrual cycles including mood swings and irritability to gluteal muscle atrophy, however, there are a vast array of known contributors to dysmenorrhoea, and currently clinical evidence of such a causative association is lacking.
The bulk of the gluteal muscle mass contributes only partially to shape of the buttocks. The other major contributing factor is that of the panniculus adiposus of the buttocks, which is very well developed in this area, and gives the buttock its characteristic rounded shape. Although the gluteal muscle bulk and tone can be improved with massage and exercise, it is the disposition of the overlying panniculus adiposus which may be responsible for the "sagging butt" phenomenon. Exercise in general (not only of the gluteal muscles but of the body in general) which can contribute to fat loss can lead to reduction of mass in subcutaneal fat storage locations on the body which includes the panniculus, so for leaner and more active individuals, the glutes will more predominantly contribute to the shape than someone less active with a fattier composition. The degree of body fat stored in various locations such as the panniculus is dictated by genetic and hormonal profiles.

[edit] Treatment

Studies have shown that exercise and massage are effective at reversing and protecting against atrophy of these muscles.
Poisoning by eating Lathyrus sativus Indian Pea or khesari dhal will lead to emaciation of buttock muscles (Neurolathyrism).

[edit] Exercise and stretching

Any exercise that works and/or stretches the buttocks is suitable, for example lunges, hip thrusts, climbing stairs, fencing, bicycling, rowing, squats, arabesque, aerobics, and various specific exercises for the bottom.
Powerlifting exercises which are known to significantly strengthen the gluteal muscles include the squat, deadlift, leg press, feet in squats (chin on chest & stick glutes out) and good mornings (bend over with a bar on the shoulders with a light amount of weight).

[edit] See also

Gluteal crease

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