This systematic review and meta-analysis aimed to assess the effects of complex contrast training (CT) on aero- bic endurance, maximal strength, and repeated sprint ability (RSA) in soccer players. After an electronic search, nine peer-reviewed articles were considered, including soccer players from junior to professional-level (age 14 – 23 years). One study was conducted during the pre-season, seven studies during the in-season, and one study during the off-season period of a competitive schedule. The studies included were of moderate to high meth- odological quality (PEDro scale) and incorporated CT with soccer practice. Large significant improvements (ES = 1.30; 95% CI = 0.61 – 2.00; p < 0.001; I2 = 80.6%) for maximal strength, and small non-significant improve- ments for aerobic endurance (ES = 0.33; 95% CI = -0.19 – 0.85; p = 0.209; I2 = 0.0%) and RSA (ES = 0.32; 95% CI = -0.12 – 0.75; p = 0.156; I2 = 0.0%) were noted for CT groups when compared to active or specific-active control groups. Therefore, supplementing regular soccer training with CT induces adaptations to improve maximal strength. CT may be implemented during the pre-season and in-season to induce adaptations similar to tradi- tional strength training (e.g., maximal strength gains), although alternative training strategies may be needed to further improve aerobic endurance and RSA. The use of CT may be applicable during different periods of the season to achieve certain goals, e.g., pre- and in-season for maximal strength development, and off-season to attenuate the decline of strength or power.
The current study aims to analyze the relationship of selected kinematic variables to the technique of pull shot in cricket. For the purpose of the study the researcher purposively selected five male inter-university cricket players from lnipe, gwalior of 18 to 24 years., the technique of pull shot in batting performance of each selected subjects was recorded on the basis of certain criteria (point system). It was divided into 2 components; 1. placement of feet and 2. execution (contact) each consist of maximum 10 points. The angles at selected joints were recorded to the nearest degree. The c.g. was measured nearest to the 1/10th of the centimetre. On the basis of sequence photographs obtained from the videography, the scholar developed stick figures from which selected kinematic variables was calculated. The center of gravity of whole body was determined by kinovea software. To find the the relationship of selected kinematic variables to the technique of pull shot in cricket pearson product moment correlation coefficient was used by means of spss software. It was found that, in case of moment execution angle at left shoulder joint and angle at left elbow joint showed significant relationship with performance.
The aim of this study was to predict the ball velocity on the basis of anthropometric variables of male division level cricket bowlers. Materials and methods: A total of 08 medium pace bowlers (mean ± standard deviation; age= 20.2±2.09 years; height= 172±3.65cms.) who participated in recent Gwalior division cricket competition were selected for the study. For anthropometric variables following measurements were conducted: standing height, upper arm length, lower arm length, palm length, upper leg length, lower leg length. Ball velocity was measured with a doppler radar gun. The stepwise multiple regression was conducted to predict the ball velocity of medium pace bowlers based on selected anthropometric variables. Results: The results suggest that lower arm length and ball velocity had a significant relationship (r = 0.780; p 0.001). In addition, a prediction model (Ball velocity = 76.601+1.507 [lower arm length]) with an R2 value of 0.608 was developed, with lower arm length being the only predictor. Conclusion: This also signifies that there may be other factors that contributes to the ball velocity such as strength of shoulders, run-up speed, kinematic variables, or kinetic variables. Therefore, future researches should focus on all those parameters that were not included in this study.
The purpose of the study. The aim was to find the effect of kinematic variables on ball velocity of medium pace bowlers. Materials and methods. A total of 10 male cricket players who were right arm medium pace bowlers were selected for this study. The kinematic variables selected in this study were wrist angle, elbow angle, shoulder angle, hip angle, knee angle, ankle angle, and centre of gravity. Results. A regression equation with R2 value of 0.616 was obtained from the study, i.e., 52.266+0.371 × (right shoulder angle). Conclusions. The study suggests shoulder angle to be important factor in determining ball velocity among medium pace bowlers
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