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.
47) This is essential for reaching young people who are affected by HIV, particularly those who are frequently barred from accessing services and support because of their age and because of punitive laws that criminalize sex work, men who have sex with men, young people who use drugs, and young LGBTQI people.