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.
Factor #1: The Anatomical Paradox. The hamstrings are a large set of four muscles at the back of the thighs (Figs. 1a and 1b). Their common name originated in 18th-century English meat markets, where slaughtered pigs were hung by a string through the large tendon at the back of their hind legs. We know the feeling!