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Archive > Year 2022, Number 1

Ground reaction force assessments at specific angles of different tempos during Push-up


Authors

Degirmen Yahya Berk, Ege Üniversitesi

Abstract

This study aimed to assess in detail push up exercise’s (PU) vertical ground reaction forces (vGRF) by the four limbs (hands, feet) at angles (60°, 90°, 120°) of different tempos [2:0:2, 1:0:1, Explosive (EXP)]. Data was analysed from a single repetition which is showed peak vGRF of dominant side during PU. The results showed that there were significant differences between three tempos in the descent and ascent phases total vGRF of hands at 60° (p≤0.001) and for feet in the ascent (p ≤ 0.001). These differences were found in both phases for total vGRF of hands and feet (p ≤ 0.001) at 90° and 120°. The percentage applied vGRF differences of descent and ascent phases (Δ%) was found statistically significant at angles (60°, 90°, 120°) of different tempos (2:0:2, 1:0:1, Explosive). In conclusion, highest vGRF assessed at 60°, and highest %Δ was found at 120° in EXP. At 120°, there was a ~555 % difference in EXP between the phases. Individuals who have not sufficiently adapted to EXP may perform the PU with lesser ROMs and slower tempos. Therefore, they can be affected by less vGRF, because of decreasing the degree of self-release.

Keywords

body weight exercise, performance analysis, weight distribution, angular kinematic

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