: Activates the rear deltoids and upper back.
Many gym-goers equate a warm-up with raising their body temperature. They hop on a treadmill or elliptical for 10 minutes. While this increases blood flow and core temperature, it does nothing to mobilize tight joints or activate dormant muscles. You are essentially a "warm" stiff person. defranco simple 6
“Again,” Sal said. Not encouragement. Not criticism. Just again . : Activates the rear deltoids and upper back
Once the glutes fire, the hamstrings automatically relax. You don’t need to stretch them for 10 minutes; you just need to squeeze your butt. defranco simple 6