Simply explain the standard push-up and curl-up exercises with regard to the leg and knee positions, specifically. Contrast the modified versions of each calisthenic as related to leg and knee positions as well as when to utilize the modifications during the set.

If scientists are trying to use what they know about hsv to devise a means of protecting other people from being infected, which of the following would have the best chance of lowering the number of new cases of infection? a) vaccinate of all persons with preexisting cases of hsvb) interfere with new viral replication in preexisting cases of hsvc) treat hsv lesions to shorten the breakoutd) educate people about avoiding sources of infection