15mins Prone Glutes with Marysa Play Video back to all 15mins Prone Glutes with Marysa (16:13min) Lying on your stomach, Marysa guides you through some leg extensions to activate the glutes, inner thighs, hamstrings and lower back. Props: A cushion to place under hips and pelvis. 20 minutes and under, All videos, Arms or Abs Focus September 24, 2020
