The Complex Analysis of Movement in the Evaluation of the Backward Somersault Performance

Król, Henryk; Klyszcz-Morciniec, Małgorzata; Sobota, Grzegorz; Nowak, Karina

doi:10.16926/par.2016.04.04

Cited by 14 publications

(23 citation statements)

References 11 publications

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“…These results are true for both the eccentric and concentric portions of the exercise. These results agree with [11] where the greater the weight on the barbell, the greater the muscle activity of shoulder muscles was. In addition, at 90 and 100% of 1RM, greatest muscle activity for the lateral head of the triceps was measured.…”

Section: Discussionsupporting

confidence: 89%

“…The shift to an early peak in vertical velocity may be due to an attempt to enter the sticking region with the greatest possible velocity, thereby increasing the likelihood of completing the lift [4]. Furthermore, with heavy load (> 85% 1RM) or fatigue, the sticking region occurred, which causes a longer upward phase duration [11,24].…”

Section: Discussionmentioning

confidence: 99%

“…During examination of EMG activity in the flat bench press, single repetitions were performed with 70, 80, 90 and 100% of 1RM. As load increased, muscle activity varied greatly and in a non-linear fashion in the pectoralis major, anterior deltoid, triceps brachii, and latissimus dorsi [11]. However, subjects were not instructed to complete each lift with maximal intent which could have an influence on muscle activity and velocity.…”

Section: Introductionmentioning

confidence: 99%

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Comparison of muscle activation and barbell kinematics during bench press with different loads

Tillaar

Sousa

2020

AKUT

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The aim of this study was to compare barbell kinematics and muscle patterning in bench press with different loads, but with maximum effort, in young males with resistance training experience. Ten healthy experiences strength-training males (aged 27.3±5.9 years, body mass 82.8±16.6 kg, height 1.78±0.05 m, experience 7.3±4.2 years) performed maximal effort bench presses (1–2 repetitions) with loads varying from 30%, with 10% increments until 100% of 1-RM. Muscle activity of seven muscles and barbell kinematics were measured during descending and ascending phases. Average and peak upwards lifting velocity increased, while lifting time decreases with each decreasing load. In general, the maximal activation of most muscles decreases with decreasing loads, but it was not linear. No effect of loads was shown for the biceps brachii and posterior deltoid muscles. Based upon these findings, it was concluded that maximal lifting velocity may compensate for increased loads, which may allow resistancetrained males who are both healthy or in rehabilitation to avoid heavy loads but experience similar muscle activation. By decreasing the loads, the mechanical stress decreases and time to recover is reduced. Using lower loads with maximal lifting velocity may allow athletes to increase the total volume without increasing the risk of injuries.

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Section: Discussionsupporting

confidence: 89%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Comparison of muscle activation and barbell kinematics during bench press with different loads

Tillaar

Sousa

2020

AKUT

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“…Previous investigations of 1 RM BP performance have been either descriptive (e.g. assessing biomechanics or muscle contributions) or have only studied a limited number of contributing variables (11,24,26,29,38,39).…”

Section: Introductionmentioning

confidence: 99%

Factors Underlying Bench Press Performance in Elite Competitive Powerlifters

Reya

Škarabot

Cvetičanin

et al. 2021

Journal of Strength and Conditioning Research

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Previous investigations of one-repetition maximum bench press (1 RM BP) performance have been either descriptive or have explored a limited number of contributing variables. The purpose of this study was to investigate the interplay between structural, technical and neuromuscular factors in relation to 1 RM BP in competitive powerlifters. Thirteen national and international level male powerlifters (26±9 years, 178±6 cm, 93.8±9.9 kg) visited the laboratory twice. Anthropometric and ultrasound measures were taken on the first visit, whereas performance measures (voluntary activation level, isokinetic strength, and kinetic, kinematic and electromyographic measurements during 1 RM BP) were recorded on the second visit. Correlation and multiple regression were used to investigate the contribution of structural, technical and neuromuscular variables to 1 RM BP corrected for body mass using the Wilks coefficient. The highest degree of association was shown for structural (lean and bone mass, brachial index, arm circumference and agonist cross-sectional area; r = 0.58-0.74) followed by neuromuscular factors (elbow and shoulder flexion strength; r = 0.57-0.71), whereas technical factors did not correlate with 1 RM BP performance (r ≤ 0.49). The multiple regression showed that lean body mass, brachial index and isometric shoulder flexion torque predicted 59% of the common variance in 1 RM BP. These data suggest that in a sample of elite competitive powerlifters, multiple factors contribute to 1 RM BP with variables such as lean body mass, the agonist cross-sectional area, brachial index, and strength of the elbow and shoulder flexors being the greatest predictors of performance.

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“…The bench press consists of two phases: the ascending and descending phase. The ascending phase seems more significant for bench press performance (Barnett et al 1995;Requena et al 2005;Welsch et al 2005; Van den Tillaar and Ettema 2009; Król et al 2010). Several studies have investigated the kinematics of the bench press, and have shown that there is a sticking region (SR) during maximal lifts (Madsen and McLaughlin 1984).…”

Section: Introductionmentioning

confidence: 99%

Changes in Bar Velocity and Muscular Activity During the Bench Press in Relation to the Load Lifted

Gołaś

Maszczyk

Petr

et al. 2015

Central European Journal of Sport Sciences and Medicine

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Abstract. The purpose of the study was to determine velocity changes in relation to the load lifted along with their muscular activity.Twenty athletes representing different sport disciplines, familiar with the flat bench press took part in the research project. The ANOVA analysis revealed a significantly higher effect on range of mean velocity (F = 128.34; η2 = 1.22 with p = 0.001) and maximal velocity (F = 73.31; η2 = 0.81 with p = 0.001) to measured loads (70÷100% 1-RM) in ascending phase. Tukey's post-hoc tests revealed a statistically significant difference between 70% and 100% 1-RM loads, in mean velocity with p = 0.001 and maximal velocity with p = 0.001. Similarly the results revealed a statistically significant difference between 80% and 100% 1-RM loads in mean velocity (p = 0,012) and maximal velocity (p = 0,021) during the ascending phase. Relationship between velocity and the muscles activity indicates that the anterior deltoid and latissimus dorsi muscles show synergy and a significant relationship for loads 90 and 100% 1-RM. The triceps brachii muscle shows a higher relationship with velocity of the barbell for loads 70% and 80%, then the relationship of the pectoralis major muscle with velocity only for 90% 1-RM.

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The Complex Analysis of Movement in the Evaluation of the Backward Somersault Performance

Cited by 14 publications

References 11 publications

Comparison of muscle activation and barbell kinematics during bench press with different loads

Comparison of muscle activation and barbell kinematics during bench press with different loads

Factors Underlying Bench Press Performance in Elite Competitive Powerlifters

Changes in Bar Velocity and Muscular Activity During the Bench Press in Relation to the Load Lifted

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