What muscles do Box Jumps work? Core, Glutes, Quads, hamstrings, calves, and even arms! Not comfortable with the height? Try using steppers for starters. If you have questions, our trainers are available to answer questions you may have. Or attend one of our #MX4 group training classes! More Info: deltavhc.info/mx4_jan #deltavhc #deltavalleyhealthclub #gym #brentwoodca #healthgoals #202goals #buildingstrength #mx4life #mx4 #gymlife