Answer:
Step-by-step explanation:
Hamstring consists of three muscles that run along the rear of the thigh. It allows easy bending of the leg to the knee level. Hamstring strain is usually induced when one or more of the three muscles gets overstressed. These can occur when
1) There is lack of warm up prior to exercise
2) The muscles in front of the thigh (quadriceps) are tight, pulling the pelvis forward and ultimately tightening the hamstring
The quadriceps consists of four muscles situated at the fore region of the thigh. It is responsible for flexing the hip and straightening the knee.
Strain to the quadriceps can be induced by:
1) Bruise from direct blow to the thigh
2) Overuse or overload
3) Tendon rapture
4) Inflammation of the tendon known as Tendinitis