For an overweight person, do you use light weight,more reps or heavy weight, few reps? ADVERTISEMENT 1.05K viewsJuly 9, 2012 0 jean Anne July 9, 2012 0 Comments If someone wants to loose weight and use weights, do you use heavy or light weights? 12 Answers ActiveVotedNewestOldest 0 Daniel0 Posted 0 Comments Good answers. Regardless of body weight/size the determination of reps/sets to temporary failure depends an your client’s goals. Temporary muscle failure is the key since that indicates that the challenge has reached to the IIb fibers. Take care. You are viewing 1 out of 12 answers, click here to view all answers. Register or Login