For individuals with limited capacity or spinal surgery history, walking backward uphill can effectively stimulate glutes and quads without compressive load.

“maybe for yourself why don't we walk backwards up a hill in a monster walk style and you will feel the quads burning how many squats and deadlifts do you really need to do... walk backwards up a hill say it's about 50 yards your quads are burning then walk down to the bottom of the hill and walk forwards up the hill the brain says I'm perceiving exhausted quads let's go get the next in the hierarchy your glutes it's a fabulous stimulator to glutes”