Flexibility, strength, and power measurements on 16 tug of war athletes and 20 rugby forwards
| Tug of war | Rugby forwards | Normative values | |
|---|---|---|---|
| Values are presented as mean (SEM). | |||
| *Significant difference between the groups, p<0.05 (unpaired t test). | |||
| †Converted to watts using the regression equation of Sayers et al.8 | |||
| N/A, Not available; BW, body weight; LBM, lean body mass; 3-RM, three repetition maximum. | |||
| Sit and reach (cm) | 25.4 (2.0) | 25.7 (1.8) | 15–30 |
| Forward flexion (cm) | 8.0 (2.1) | 9.4 (1.6) | 10–25 |
| Back flexion (cm) | 28.6 (1.4)* | 34.2 (1.5) | 35–50 |
| Dominant hand grip strength (N) | 622 (20.9) | 607.1 (13.2) | 540–687 |
| Non-dominant hand grip strength (N) | 591.4 (20.7) | 568.2 (12.5) | 540–687 |
| Composite strength/kg BW | 38.5 (1.1)* | 28.8 (1.2) | 30.4–45.5 |
| Composite strength/kg LBM | 46.4 (1.5)* | 35 (1.5) | 34.7–52 |
| Back strength (N) | 2004.8 (104.4) | 1930.8 (73.8) | 1471–2452 |
| Bench press 3-RM (kg) | 64.8 (3.3) | N/A | 70–110 |
| Squat 3-RM (kg) | 162.7 (6.2) | N/A | 160–230 |
| Vertical jump (W)† | 4659.8 (151.6)* | 6198.21 (105) | 4957–5995 |