While the term drill may refer to either a drilling machine or a drill bit for use in a drilling machine. In this article, for clarity, drill bit or bit is used throughout to refer to a bit for use in a drilling machine, and drill refers always to a drilling machine.
Hamstringing, the act of cutting these tendons cripples the animals and renders it unfit for warfare or work. In carrying out war operations, the Israelites humstrung the horses of their enemies; on one occasion Joshua was specifically directed to do so by the true God.
What is a hamstring strain? The hamstring muscle group consists of three separate muscles; the semitendinosus, semimembranosus and biceps femoris. They originate from the lower part of the pelvis and insert into the back of the shin bone. When contracting they mainly bend the knee and extend (straighten) the hip joint.