Quadriceps
Watch Tutorial
https://www.youtube.com/shorts/WwTJM8VxpvE
https://www.youtube.com/shorts/8TFcBDRuYPY
https://www.youtube.com/shorts/VFRDsOoqSlg
https://www.youtube.com/shorts/W95LGYK8IaU
https://www.youtube.com/shorts/sxbA4IdxDcY
https://www.youtube.com/shorts/hxy5IoA8o_A
Sit machine leg extension.
Adjust pad above ankle.
Knees align pivot.
Place one foot under pad.
Extend working leg fully.
Squeeze quad.
Lower slowly.
Repeat reps, switch legs.