Grade II Hamstring Stran to the Biceps Femoris Muscle
2186 WordsFeb 21, 20189 Pages
The case study looked at a 21 year old female netball player who suffered a grade II hamstring strain to the Biceps femoris muscle. The subject was sprinting and they quickly changed direction to intercept the ball. On landing the subject experienced a sharp pain at the back of the thigh and where taken to the hospital. After physical examinations at the University Hospitals Coventry and Warwickshire the doctor and physiotherapist diagnosed the injury as a grade II Biceps femoris strain (Appendix 1). The patient went through rehabilitation and was able to return to play after 7 weeks.
The hamstring muscle group consists of three long muscles: Biceps femoris, semitendinosus and semimembranosus, which are located at the posterior compartment of the thigh (figure 1). The muscles (except the short head biceps femoris) cross both the hip and the knee joint (Bryan et al. 2010. The hamstring muscle extends the hip joint, flexes the knee joint and also rotates both joints (Drake et al 2005). Figure 1: Image illustrating the muscles of the Posterior compartment of the thigh (Drake et al. 2005)
The subject experienced a partial tear to the biceps femoris (figure 2) which is located on the lateral side of the posterior compartment of the thigh (Agur and Dalley 2005). It comprises of the long head, which originates from the ischial tuberosity and the short head originates from the linea aspera on the shaft of the femur. The short head and the long head join distally to