A man is using HooKee Smart Gym to squat. There several pics to show the function of HooKee fitness App as a personal trainer at home

How to fix "Butt Wink" for Proper Squat

Butt wink is when your pelvis rotates under at the bottom of the squat, causing your lower back to round. This can lead to injury, as it puts stress on your spine and can lead to discomfort or pain...