Abstract:Post activation potentiation (PAP) is an acute enhancement of muscular function subsequent to an intense muscle conditioning activity. Practical application of PAP as a physical preparation for enhanced performance is a topic of considerable interest in the sport performance community. The purpose of this study was to determine if a dynamic warm-up (WU) plus a progression of deadlift (DL) sets culminating in a one-repetition maximum DL (1-RM DL) (i.e., a PAP conditioning activity) is more effective in improvin… Show more
“…As such, the PROM 1RM assessments may have been impacted by fatigue resulting from the FROM 1RM assessment. Conversely, with the temporal proximity of the FROM and PROM 1RM assessments, it is possible that the FROM 1RM attempts served as a potentiating activity inducing a postactivation potentiation effect on the subsequent PROM 1RM assessment (22). A more ideal scenario would have been to use a randomized repeated measures crossover design where 2 sessions separated by at least 72 hours was employed to collect the FROM and PROM 1RM DL scores.
Practical Applications
The deadlift is considered an optimal modality for developing muscular strength (16).…”
Gillingham, B, Bishop, A, Higa, GK, Adams, KJ, and DeBeliso, M. The relationship between partial and full range of motion deadlift 1-repetition maximum: a technical note. J Strength Cond Res 37(4): 909-914, 2023-The full range of motion (FROM) or partial range of motion (PROM) deadlift (DL) are often included in resistance training (RT) programs and are performed by strength athletes in competition. This study examined the relationship between the FROM and PROM 1-repetition maximum (1RM) DL and if the PROM 1RM DL can be estimated by the FROM 1RM DL. Eighteen National Collegiate Athletic Association wrestlers (20.8 6 1.2 years, 176.0 6 5.2 cm, 78.9 6 10.6 kg) performed a warm-up followed by the assessment of the FROM and PROM 1RM DLs. The FROM DLs were executed with a starting position of the bar resting on the lifting platform. Partial range of motion DLs were executed in a power rack with the bar starting position at 2.54 cm above the patella. Regression analysis was employed to estimate PROM 1RM DL based on FROM 1RM DL, body height, and mass. A Pearson's correlation coefficient (r) was used to compare the PROM 1RM DL with FROM 1RM DL. A dependent t test was used to compare the PROM 1RM DL and FROM 1RM DL scores (a , 0.05). The PROM 1RM DL scores (226.0 6 40.6 kg) were significantly greater than the FROM 1RM DL scores (191.7 6 37.2 kg) (p , 0.05: effect size 5 0.92). The PCC between the PROM and FROM 1RM DL was r 5 0.85 (p , 0.05). The regression coefficient for the FROM 1RM DL was significant (p , 0.05; R 5 0.85, R 2 5 0.73). The regression coefficients for body mass and height were not significant (p . 0.05). The PROM and FROM DL may be interchangeable modalities within an RT program, and the PROM 1RM DL can be accurately predicted by the FROM 1RM DL.
“…As such, the PROM 1RM assessments may have been impacted by fatigue resulting from the FROM 1RM assessment. Conversely, with the temporal proximity of the FROM and PROM 1RM assessments, it is possible that the FROM 1RM attempts served as a potentiating activity inducing a postactivation potentiation effect on the subsequent PROM 1RM assessment (22). A more ideal scenario would have been to use a randomized repeated measures crossover design where 2 sessions separated by at least 72 hours was employed to collect the FROM and PROM 1RM DL scores.
Practical Applications
The deadlift is considered an optimal modality for developing muscular strength (16).…”
Gillingham, B, Bishop, A, Higa, GK, Adams, KJ, and DeBeliso, M. The relationship between partial and full range of motion deadlift 1-repetition maximum: a technical note. J Strength Cond Res 37(4): 909-914, 2023-The full range of motion (FROM) or partial range of motion (PROM) deadlift (DL) are often included in resistance training (RT) programs and are performed by strength athletes in competition. This study examined the relationship between the FROM and PROM 1-repetition maximum (1RM) DL and if the PROM 1RM DL can be estimated by the FROM 1RM DL. Eighteen National Collegiate Athletic Association wrestlers (20.8 6 1.2 years, 176.0 6 5.2 cm, 78.9 6 10.6 kg) performed a warm-up followed by the assessment of the FROM and PROM 1RM DLs. The FROM DLs were executed with a starting position of the bar resting on the lifting platform. Partial range of motion DLs were executed in a power rack with the bar starting position at 2.54 cm above the patella. Regression analysis was employed to estimate PROM 1RM DL based on FROM 1RM DL, body height, and mass. A Pearson's correlation coefficient (r) was used to compare the PROM 1RM DL with FROM 1RM DL. A dependent t test was used to compare the PROM 1RM DL and FROM 1RM DL scores (a , 0.05). The PROM 1RM DL scores (226.0 6 40.6 kg) were significantly greater than the FROM 1RM DL scores (191.7 6 37.2 kg) (p , 0.05: effect size 5 0.92). The PCC between the PROM and FROM 1RM DL was r 5 0.85 (p , 0.05). The regression coefficient for the FROM 1RM DL was significant (p , 0.05; R 5 0.85, R 2 5 0.73). The regression coefficients for body mass and height were not significant (p . 0.05). The PROM and FROM DL may be interchangeable modalities within an RT program, and the PROM 1RM DL can be accurately predicted by the FROM 1RM DL.
Based on the observations made by the author in Class X Social Studies at SMA Muhammadiyah Kampar Regency, it was found that the ability of students to do long jumps was still in the below-average category. This is due to the low physical condition of students so that they do not produce maximum explosive power of the leg muscles. This research was conducted using a correlational research design. Based on the results of research that has been carried out on class X students of SMA Muhammadiyah Kampar Regency, the value of count = 0.811 > table = 0.514. Obtained r = 0.811 including very strong category. Significance test using the t-test Significance formula. From the calculation results, it is known that t count = 5,006 while t table = 1,771. So t count = 5,006 > t table = 1,771. Thus, a conclusion can be drawn that: There is an effect of explosive power in the leg muscles with the results of the long jump squatting style for X grade students of SMA Muhammadiyah Kampar Regency.
Conclusions. Based on the results of research that has been carried out on class X students of SMA Muhammadiyah Kampar Regency, the value of count = 0.811 > table = 0.514. Obtained r = 0.811 including very strong category. Significance test using the t-test Significance formula. From the calculation results, it is known that t count = 5,006 while t table = 1,771. So t count = 5,006 > t table = 1,771. Thus, a conclusion can be drawn that: There is an effect of explosive power in the leg muscles with the results of the long jump squatting style for X grade students of SMA Muhammadiyah Kampar Regency
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