Quads, Glutes
Calves, Hamstrings
Watch Tutorial
https://www.youtube.com/shorts/AJDApZl7t00
https://www.youtube.com/shorts/bJJkwPxK2eQ
https://www.youtube.com/shorts/pK51Yz47lMg
https://www.youtube.com/shorts/oWSuJ0hBVm8
https://www.youtube.com/shorts/fXwdzCJnl3k
https://www.youtube.com/shorts/iLyeEhgoanY
https://www.youtube.com/shorts/uY6M4t3pNbY
Lie face up on machine, back/head supported.
Shoulders under pads.
Feet shoulder-width on platform.
Start knees bent ~90 deg.
Push platform up by extending legs.
Don't lock knees.
Pause.
Slowly lower platform by bending knees.
Repeat.