Question

A 37 yr old female client weighs 160 lbs, claims to be able to lift 105 lbs for 10 reps on the bench press, but she completes only 6 reps. Given this info, what is her estimated 1 RM?

a. 70 lbs
b. 78 lbs
c. 95 lbs
d. 105 lbs

Answer 1

To estimate the woman's one-repetition maximum (1 RM), we can use the Epley formula which calculates based on the weight lifted and the number of reps completed. In this case, the estimated 1 RM would be approximately 78 lbs. The correct option is b.

Step-by-step explanation:

To estimate her one-repetition maximum (1 RM), we can use the Epley formula. According to this formula, the 1 RM can be calculated using the weight lifted and the number of reps completed. The formula is:

1 RM = Weight lifted x (1 + (0.0333 x Reps completed)).

In this case, the weight lifted is 105 lbs and the reps completed are 6. Plugging these values into the formula, the estimated 1 RM would be approximately 78 lbs. Therefore, the correct answer is b. 78 lbs.