Shoulders, Core
Calves, Middle Back, Quadriceps, Traps, Upper Back
Watch Tutorial
https://www.youtube.com/shorts/65JHkOCeDnY
https://www.youtube.com/shorts/oE2fQzzgyDA
https://www.youtube.com/shorts/MWYuf8Gtygs
https://www.youtube.com/shorts/FNqIMmttQDw
https://www.youtube.com/shorts/q1ONZtxbf3c
https://www.youtube.com/shorts/ZHXSQfuHtqg
https://www.youtube.com/shorts/YE4fxD2M6cI
Attach handles to sled.
Stand facing away, hold handles overhead, arms extended.
Step forward for tension.
Walk backward maintaining overhead position.
Keep core engaged.
Move steadily.
Continue distance/time.