Benefits to walking backwards on the treadmill: knee rehab (and general health), working the foot musculature, and so on! #kneepain #legday #aclrecovery
StairMaster HIITMILL-X Incline Treadmill
HIITMill Self-Powered Incline Treadmill for HIIT Workouts | StairMaster (HIITMILL)
How to Perform the Incline Treadmill Farmer's Walk | Men's Health