Proper Spotting Technique for the Forward Step Lunge When Using

Proper spotting technique for the forward step lunge when using a barbell involves positioning yourself ______.

A) behind the client, placing your hands on their waist if balance starts to become compromised
B) behind the client, placing your hands on the bar if balance starts to become compromised
C) in front of the client, placing your hands on their waist before the client begins the exercise
D) in front of the client, placing your hands on the bar before the client begins the exercise