Table 3 Differences in performance variables during a standard and cambered barbell bench press.
Standard Barbell (95%CI) | Cambered Barbell (95%CI) | ES | Barbell | Set | Interaction | |
|---|---|---|---|---|---|---|
Repetition (n) | ||||||
Set 1 | 25.8 ± 2.5 (24.6–27.07) | 23.3 ± 1.9* (22.4–24.3) | − 1.1 | < 0.0001 | < 0.0001 | 0.015 |
Set 2 | 17.7 ± 1.7 (16.8–18.5) | 16.7 ± 2.2 (15.6–17.8) | − 0.5 | |||
Set 3 | 15.6 ± 1.7 (14.7–16.4) | 13.2 ± 1.9* (12.2–14.1) | − 1.3 | |||
Time under tension (s) | ||||||
Set 1 | 65.9 ± 8.1 (61.9–69.9) | 66.5 ± 6.4 (63.3–69.7) | 0.08 | 0.22 | < 0.0001 | 0.797 |
Set 2 | 48.6 ± 4.5 (46.3–50.9) | 50.3 ± 6.1 (47.2–53.3) | 0.31 | |||
Set 3 | 42.1 ± 4.6 (39.8–44.4) | 42.7 ± 6.8 (39.3–46) | 0.1 | |||
Concentric time under tension (s) | ||||||
Set 1 | 17.4 ± 4.3 (15.3–19.5) | 19.7 ± 4.8* (17.3–22) | 0.49 | < 0.0001 | < 0.0001 | 0.212 |
Set 2 | 14.6 ± 2.4 (13.5–15.8) | 17.6 ± 3.7* (15.8–19.5) | 0.94 | |||
Set 3 | 13.3 ± 3.1 (11.6–14.7) | 17.5 ± 6.1* (14.5–20.5) | 0.85 | |||
Eccentric time under tension (s) | ||||||
Set 1 | 48.5 ± 5.4 (45.8–51.2) | 46.8 ± 4.9 (44.4–49.3) | − 0.32 | 0.01 | < 0.0001 | 0.276 |
Set 2 | 34 ± 3.5 (32.3–35.7) | 32.6 ± 3.9 (30.4–34.3) | − 0.37 | |||
Set 3 | 28.8 ± 2.7 (27.5–30.2) | 25.3 ± 3.9* (23.2–27.1) | − 1.02 | |||
Peak velocity (m/s) | ||||||
Set 1 | 0.69 ± 0.06 (0.66–0.73) | 0.76 ± 0.06* (0.73–0.79) | 1.14 | 0.004 | < 0.0001 | 0.01 |
Set 2 | 0.67 ± 0.05 (0.64–0.69) | 0.7 ± 0.06* (0.66–0.73) | 0.53 | |||
Set 3 | 0.64 ± 0.06 (0.61–0.67) | 0.68 ± 0.07 (0.64–0.71) | 0.6 | |||
Load displacement (kg × cm) | ||||||
Set 1 | 63851 ± 10082 (58838–68865) | 64015 ± 10961 (58564–69466) | 0.02 | 0.913 | < 0.0001 | 0.176 |
Set 2 | 43278 ± 5471 (40558–45999) | 45250 ± 6744 (41897–48604) | 0.31 | |||
Set 3 | 37188 ± 4405 (34997–39379) | 35548 ± 4596 (33263–37834) | − 0.36 | |||
