1 Isotonic -a muscle fiber contraction in which force production is unchanged when the muscle contracts causing movement of an external load.  Isokinetic -a muscle fiber contraction in which force production of the contraction is sufficient to overcome the external load.
HIV/AIDS. HIV Risk Behaviors. The risk of getting HIV varies widely depending on the type of exposure or behavior (such as sharing needles or having sex without a condom). Some exposures to HIV carry a much higher risk of transmission than other exposures.
10 Health Factors That Affect a Man's Sex Life. Currently there is no cure for HIV/AIDS, and it is eventually fatal. However, prompt diagnosis and treatment can reduce or delay the onset of some serious complications, such as opportunistic infections, and can improve quality of life. Prompt diagnosis can also minimize the spread of the disease to others.