The incision, which can be done at a 90 degree angle from the vulva towards the anus or at an angle from the posterior end of the vulva (medio-lateral episiotomy), is performed under local anesthetic (pudendal anesthesia), and is sutured closed after delivery.
Hamstring hyperextension can occur during exercise and stretching. The hamstrings are a group of muscles found at the back of the thigh. Three muscles are in this group: the biceps femoris, the semitendinosus and the semimembranosus. The function of these muscles is to bend the knee and to extend the hip. It is common for these muscles to become hyperextended and injured.
Full Definition of HAMSTRING. 1. a: either of two groups of tendons at the back of the human knee b: any of three muscles at the back of the thigh that function to flex and rotate the leg and extend the thigh. 2.: a large tendon above and behind the hock of a quadruped.. a: either of two groups of tendons at the back of the human knee b: any of three muscles at the back of the thigh that function to flex and rotate the leg and extend the thigh. 2.