Participant characteristics
| Sitters, n=30 | Physically active, n=32 | Low activity, n=30 | |
| Age in years, mean (SD) | 22.73 (2.92) | 22.03 (2.65) | 20.93 (2.49) |
| Gender (women %) | 63.3* | 47.0* | 76.7* |
| BMI, mean (SD) | 22.90 (2.47) | 23.12 (2.92) | 22.60 (2.36) |
| Thoracic rotation degrees, mean (SD) | 64.74 (8.93) | 74.96 (8.26) | 68.44 (4.36) |
| 95% CI | 62.37 to 67.14 | 72.61 to 77.31 | 66.02 to 70.86 |
| Exercise duration (minutes) | |||
| 0–30 | 7 | – | 3 |
| 30 –60 | 4 | – | 6 |
| 60 – 90 | 15 | – | 5 |
| 90 – 150 | 4 | – | 16 |
| 150 – 180 | – | 4 | – |
| 180 – 210 | – | 12 | – |
| 210 – 240 | – | 5 | – |
| 240+ | – | 11 | – |
| Types of exercise (frequency) | |||
| Gym cardio | 6 | 10 | 1 |
| Gym weights | 5 | 3 | 9 |
| Running | 10 | 6 | – |
| Cycling | 3 | 1 | 3 |
| Dance/gymnastics | – | 3 | 1 |
| Football | – | 4 | 2 |
| Netball/basketball | – | 1 | 1 |
| Tennis | – | 3 | 2 |
| Rowing | – | 1 | – |
| Martial arts | 1 | – | – |
| Other | 3 | – | 11 |
| None | 2 | – | – |
| Sitting duration (hours) | |||
| 0 –2 | – | 1 | – |
| 2 – 4 | – | 5 | 6 |
| 4 –6 | – | 11 | 17 |
| 6–7 | – | 15 | 7 |
| 7 – 8 | 9 | – | – |
| 8 – 9 | 9 | – | – |
| 9 –10 | 6 | – | – |
| 10+ | 6 | – | – |
*Statistically different p<0.001.
BMI, body mass index.