Effect of Different Training Methods on Stride Parameters in Speed Maintenance Phase of 100-m Sprint Running

Abstract

Cetin, E, Hindistan, IE, Ozkaya, YG. Effect of different training methods on stride parameters in speed maintenance phase of 100-m sprint running. J Strength Cond Res 32(5): 1263-1272, 2018-This study examined the effects of 2 different training methods relevant to sloping surface on stride parameters in speed maintenance phase of 100-m sprint running. Twenty recreationally active students were assigned into one of 3 groups: combined training (Com), horizontal training (H), and control (C) group. Com group performed uphill and downhill training on a sloping surface with an angle of 4°, whereas H group trained on a horizontal surface, 3 days a week for 8 weeks. Speed maintenance and deceleration phases were divided into distances with 10-m intervals, and running time (t), running velocity (RV), step frequency (SF), and step length (SL) were measured at preexercise, and postexercise period. After 8 weeks of training program, t was shortened by 3.97% in Com group, and 2.37% in H group. Running velocity also increased for totally 100 m of running distance by 4.13 and 2.35% in Com, and H groups, respectively. At the speed maintenance phase, although t and maximal RV (RVmax) found to be statistically unaltered during overall phase, t was found to be decreased, and RVmax was preceded by 10 m in distance in both training groups. Step length was increased at 60-70 m, and SF was decreased at 70-80 m in H group. Step length was increased with concomitant decrease in SF at 80-90 m in Com group. Both training groups maintained the RVmax with a great percentage at the speed maintenance phase. In conclusion, although both training methods resulted in an increase in running time and RV, Com training method was more prominently effective method in improving RV, and this improvement was originated from the positive changes in SL during the speed maintaining phase.

Resisted Plyometric Exercises Increase Muscle Strength in Young Basketball Players

“…Increasing the force in the lower extremities is very important in sports activities, especially those in which jumping and sprinting activities are frequently used. [21][22][23][24] Plyometric training increases the stretch-shortening cycle of the muscles. 18 There is evidence that resisted plyometric training programs result in increases in the muscular force developed by the upper extremities, thus improving vertical jump performance.…”

Effects of sprint interval training on sloping surfaces on aerobic and anaerobic power

“…In sloping conditions, the grade of slope used is important in terms of sprint performance. In the literature, several results of sprint performance by using a 2-6.9° slope to increase sprint performance have been presented [2,7,11,12]. Kunz and Kaufmann have shown that sprint training applied on a 3° surface reduces the sprint time by 5.4% and the horizontal running speed by 0.5 m • s -1 [28].…”

“…In the literature, the results of studies examining the effects of sprint interval training on sloping surfaces are mainly focused on the effects of sprint running time, kinematic and dynamic properties of running and electromyographic activity of muscles during sprint running and anaerobic power. [7,37,39,43]. However, there are a limited number of comprehensive studies examining the effects of sprint running on sloping surfaces on aerobic power.…”

Response to Comment on “Effects of Combined Uphill–Downhill Sprinting Versus Resisted Sprinting Methods on Sprint Performance: A Systematic Review and Meta-analysis’’

“…Important considerations are required to address these concerns. Firstly, ing, the study by Cetin et al [21] was included into our meta-analysis. Xu et al continued, "We suspect that the authors might have thought that identical training for all did not affect the comparison between the sprint intervention group and traditional sprinting.…”