A. Measure your heart rate before, and after workouts
One way unequal power relations contribute to the spread of HIV infection is because of forced sex or non-consensual sex and if the partner has any kind of STD (which is probable since most are with more than one person).
Sorry if this is written weird, I'm only in 9th grade so I don't really know this much about it. Any who, hope this helps!
Isotonic contractions generate force by changing the length of the muscle and can be concentric contractions or eccentric contractions. A concentric contraction causes muscles to shorten, thereby generating force. Eccentric contractions cause muscles to elongate in response to a greater opposing force.