Wall Sit.
Isometric squat hold against a wall.
How to do it
- Back flat against a wall.
- Slide down until thighs are parallel to the floor.
- Knees at 90°, feet under knees.
- Hold.
Form cues
- Thighs parallel, shins vertical
- Press the lower back into the wall
- Hands off the thighs — no cheating