Ever since the fabulously toned Rachel Green from "Friends" graced our screens, Jennifer Aniston's arms have been the gold ... will leave you with bulky muscles. Both are false.

Celebrities are raving about Pvolve, the low-impact, functional strength training workout that Jennifer Aniston (and others ... workouts and resistance band arm workouts, here.

Unlike high-impact workouts, resistance training focuses on controlled movements that strengthen muscles and bones without excessive strain. Jennifer Aniston and Beyonce are a few celebrities who ...