Leg pain is also frequently a sign of injury, such as the following: Muscle strain is a common injury that happens when the muscle fibers tear as a result of overstretching. It often occurs in the larger muscles, such as the hamstrings, calves, or quadriceps.
medical Definition of superinfection : a second infection superimposed on an earlier one especially by a different microbial agent of exogenous or endogenous origin that is resistant to the treatment used against the first infection
SUPERFECTA is the form of pari-mutuel wagering whereby you select in order the first, second, third and fourth place horses in races which offer superfecta wagering. superfecta box In boxing the superfecta, the bettor may bet a minimum of four horses on a single ticket, giving the bettor every possible combination of the chosen horses to finish first, second, third, fourth in exact order.