Skip to main content
. 2020 Jul 9;15(7):e0235555. doi: 10.1371/journal.pone.0235555

Table 3. The kinematics (mean ± standard deviation) pre-and post-training in barbell bench press.

Lifting phase Training group Vertical displacement (cm) Time (sec) Velocity (m/s)
Pre- sticking region SM# Pre 7.92 ± 2.76 0.25 ± 0.15 0.32 ± 0.07
SM Post 6.05 ± 2.67 0.17 ± 0.06 0.28 ± 0.08*
SW# Pre 6.55 ± 2.08 0.18 ± 0.04 0.33 ± 0.08
SW Post 6.19 ± 1.92 0.22 ± 0.09 0.28 ± 0.07*
DB# Pre 6.90 ± 4.74 0.25 ± 0.18 0.28 ± 0.13
DB Post 5.94 ± 4.08 0.26 ± 0.20 0.26 ± 0.09
Sticking region SM Pre 18.27 ± 5.43 0.67 ± 0.19 0.21 ± 0.08
SM Post 14.96 ± 6.11 0.94 ± 0.37 0.04 ± 0.11*
SW Pre 19.29 ± 5.99 0.77 ± 0.35 0.17 ± 0.08
SW Post 18.18 ± 7.98 0.84 ± 0.48 0.08 ± 0.08*
DB Pre 17.00 ± 9.88 0.69 ± 0.37 0.16 ± 0.06
DB Post 17.41 ± 7.96 1.03 ± 0.40* 0.09 ± 0.09
Post- sticking region SM Pre 35.79 ± 3.73 1.31 ± 0.24 0.39 ± 0.08
SM Post 32.45 ± 6.98 2.11 ± 0.85* 0.33 ± 0.09*
SW Pre 35.67 ± 5.52 1.48 ± 0.37 0.35 ± 0.09
SW Post 34.11 ± 6.52 2.15 ± 0.59* 0.27 ± 0.09
DB Pre 34.36 ± 6.27 1.39 ± 0.27 0.37 ± 0.10
DB Post 32.71 ± 5.18 2.10 ± 1.06 0.33 ± 0.07**

*significant differences between pre- and post training (p < 0.05).

** significant differences between trained exercise and barbell bench press.

#SM = Smith machine, SW = Swiss ball and DB = Dumbbell