I believe the answer is: C. predicting 1 RM
In fitness term, 1 RM stands for 1 repetition maximum, which is the maximum weight that a person can lift for 1 repetition.
As the weight that can be done in 1 Repetition increased, we can conclude that the amount of force that that person's muscle able to generate is also increased.
A dermatologist would be the medical specialist you should see
The body structure that does not seem to move is vestigials.
Pathology good luck hopes this helps
