An acute hamstring injury can happen in a variety of different ways, with the one common factor that there is a sudden pain in the muscles, which is directly related to a particular movement or incident
Exposure to high ambient temperature may lead either to excessive fluid loss and dehypovolemic shock (heat exhaustion) or to failure of heat mechanisms and dangerous hyperpyrexia (heatstroke)
Atmospheric pressure decreases as altitude increases, but the percentage of O2 in air remains constant; thus, the partial pressure of O2 decreases with altitude and at 18,000 ft (5500 m) is about � that at sea level. About 20% of persons ascending above
The knee is not simply a hinge-joint: you bend and straighten it, but you can also turn it slightly in a twisting movement, when the knee is bent. This rotatory movement automatically accompanies the bending and straightening movements. As you bend your k
Any of the knee's internal tissues can be damaged by a severe injury, but the cartilage (menisci) and the cruciate ligaments are those most commonly harmed in sportsmen