| Clue | Source | Date |
|---|---|---|
| Squatting motions | New York Times | 18 Dec 2022 |
| Quad strengtheners | The New Yorker | 08 Oct 2018 |
| Lower-body exercise | New York Times | 03 Oct 2015 |
| Lower-body exercise | ||
| Leg strengtheners | ||
| Some squats in the gym | ||
| Ups and downs of exercise? | ||
| Exercise routine | ||
| Pliés | ||
| They can be deep |