There are three main types of Bandhas, which are called: Jalandhara Bandha which is located in the throat and acts on the pituitary gland; Uddiyana Bandha which is located in the abdomen and acts on the pancreas and also on the amount of adrenaline produced by the body; and Mula Bandha which is located in the perineum and its effects are on the gonads and the perineum itself. These Bandhas can be performed in different ways, each one of them can be practiced independently or in isolation, or they can be performed in combination with other classic Yoga postures.