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Sébastien
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MessageSujet: Post échauffement   Post échauffement Icon_minitimeMer 6 Juil 2011 - 13:59

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MessageSujet: EFFETS DES DIFFÉRENTES MÉTHODES D’ÉCHAUFFEMENT SUR LE SPRINT, LE DRIBBLE ET LES TIRS DE PÉNALTYS CHEZ LES JOUEURS DE FOOTBALL   Post échauffement Icon_minitimeMer 6 Juil 2011 - 14:03

ACUTE EFFECTS OF DIFFERENT WARM-UP METHODS ON SPRINT,SLALOM DRIBBLING, AND PENALTY KICK PERFORMANCE IN SOCCER PLAYERS

ERTUGRUL GELEN
Sakarya University, School of Physical Education and Sport, Sakarya, Turkey

24(4)/950–956 Journal of Strength and Conditioning Research 2010 National Strength and Conditioning Association

Citation :
Although pre-event static stretching is an accepted practice in most athletics program, pre-event dynamic exercise is becoming popular. The purpose of this study was to compare the acute effects of different warm-up methods on soccer performance. Twenty-six professional soccer players (23.3 +- 3.2 years, 178.2 +- 6.1 cm, and 73.0 6 6.5 kg) performed 4 different warm-up routines in random order on nonconsecutive days. The warm-up methods consisted of only 5 minutes of jogging (Method A), 5 minutes of jogging and static stretching (Method B), 5 minutes of jogging and dynamic exercise (Method C), and 5 minutes of jogging and a combination of static stretching and dynamic exercise (Method D). After each warm-up session, subjects were tested on the sprint, slalom dribbling, and penalty kick performance. Methods A–D were compared by repeated-measures analyses of variance and post hoc comparisons. In this study, existence of a significant drop in sprint, slalom dribbling, and penalty kick performances of Method C has been determined in comparison with that of Method A (p < 0.05). Again for sprint, slalom dribbling, and penalty kick performances of Method A in comparison with those of Method A, the existence of a significant increase has been determined (p<0.05). In Method D in comparison with Method A, for sprint, slalom dribbling, and penalty kick performances, existence of no significant difference has been determined (p<0.05). The results of this study suggest that it may be desirable for soccer players to perform dynamic exercises before the performance of activities that require a high power output.

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MessageSujet: UNE ENQUÊTE SUR LES EFFETS DE DIFFÉRENTS PROTOCOLES D’ÉCHAUFFEMENT SUR LES HABILETÉS MOTRICES PARTICULIÈRES RELATIVES À LA PERFORMANCE DE FOOTBALL   Post échauffement Icon_minitimeMer 6 Juil 2011 - 14:07

AN INVESTIGATION INTO THE EFFECTS OF DIFFERENT WARM-UP MODALITIES ON SPECIFIC MOTOR SKILLS RELATED TO SOCCER PERFORMANCE

IAIN M. FLETCHER1 AND MATHEW M. MONTE-COLOMBO2
1Department of Sport and Exercise Science, School of Physical Education and Sports Sciences, University of Bedfordshire,
Bedfordshire, United Kingdom; and 2University of Hertfordshire, Langney Point, Eastbourne, United Kingdom

24(Cool/2096–2101 Journal of Strength and Conditioning Research 2010 National Strength and Conditioning Association

Citation :
The aim of this study was to investigate the effect of different warm-up stretch modalities on specific high-speed motor capabilities important to soccer performance. Twenty-seven male soccer players performed 3 warm-up conditions, active warm-up (WU),WU with static stretching (SPS), and WU with dynamic stretching (ADS). Heart rate, counter-movement jump, 20-m sprint, and Balsom agility tests were performed after each intervention. Vertical jump heights were significantly greater (p< 0.01) in the WU and ADS conditions compared to those in the SPS trial. The 20-m sprint and agility times showed that the SPS condition was significantly slower (p < 0.01) than theWU and ADS conditions, with the ADS trial being significantly faster (p < 0.05) than the WU condition. Heart rate was significantly higher (p < 0.01) for participants post-WU and -ADS trials compared to the SPS condition. These findings suggest that the superior performance of the dynamic stretch and warm-up–only conditions compared to the static stretch condition may be linked to increases in heart rate. The reasons for the dynamic stretch trial superiority compared to the warm-up condition are less clear and as yet to be established. We recommend for optimal performance, specific dynamic stretches be employed as part of a warm-up, rather than the traditional static stretches.

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MessageSujet: COMPARAISON DES REPONSES METABOLIQUES ET BIOMECANIQUE ENTRE ECHAUFFEMEMENT PASSIF ET ACTIF   Post échauffement Icon_minitimeMer 6 Juil 2011 - 14:11

COMPARISON OF METABOLIC AND BIOMECHANIC RESPONSES TO ACTIVE VS. PASSIVE WARM-UP PROCEDURES BEFORE PHYSICAL EXERCISE

SOPHIE BRUNNER-ZIEGLER,1 BARBARA STRASSER,1,2,3 AND PAUL HABER2
1Division of Angiology, Clinic for Internal Medicine II, Medical University of Vienna, Vienna, Austria; 2Division of Sports Medicine, Clinic for Internal Medicine IV, Medical University of Vienna, Vienna; and 3Institute for Sports Medicine, Alpine Medicine and Health Tourism, University for Health Sciences, Medicine, and Technology, Hall IT, Austria

25(4)/909–914 Journal of Strength and Conditioning Research 2011 National Strength and Conditioning Association

Citation :
Active warm-up before physical exercise is a widely accepted practice to enhance physical performance, whereas data on modalities to passively raise tissue temperature are rare. The study compared the effect of active vs. passive warm-up procedures before exercise on energy supply and muscle strength performance. Twenty young, male volunteers performed 3 spiroergometer-test series without prior warm-up and after either an active or passive warm-up procedure. Oxygen uptake ( _ VO2), heart rate (HR), pH value, and lactate were determined at 80% of individual _ VO2max values and during recovery. Comparing no prior warm-up with passive warm-up, pH values were lower at the fourth test minute (p < 0.004), and lactate values were higher at the sixth and third minutes of recovery (p < 0.01 and p < 0.010, respectively), after no prior warm-up. Comparing active with passive warm-up, HR was lower, and _VO2 values were higher at the fourth and sixth test minutes (p< 0.033 and p < 0.011, respectively, and p < 0.015 and p < 0.022, respectively) after active warm-up. Differentiation between active and passive warm-up wasmore pronounced than between either warm-up or no warm-up. Conditions that may promote improved performance were more present after active vs. passive warm-up. Thus, athletes may reach the metabolic steady state faster after active warm-up.

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«La sécurité n'existe que dans le passé, dans l'avenir il n'y a que le risque! » S. Schmidheiny
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MessageSujet: ECHAUFFEMENT - RAISON ET MISE EN PLACE DE LA PREVENTION DES BLESSURES DU LCA   Post échauffement Icon_minitimeMer 6 Juil 2011 - 14:14

RATIONALE AND IMPLEMENTATION OF ANTERIOR CRUCIATE LIGAMENT INJURY PREVENTION WARM-UP PROGRAMS IN FEMALE ATHLETES

DANIEL P. BIEN
Physical Therapy Department, University Orthopedics, Providence, Rhode Island

25(1)/271–285 Journal of Strength and Conditioning Research 2011 National Strength and Conditioning Association

Citation :
The sex disparity
in anterior cruciate ligament (ACL) injury risk and the subsequent adverse effects on knee joint health, psychosocial well-being, and financial costs incurred have produced a surge in research on risk factors and interventions designed to decrease this disparity and overall incidence. Biomechanical and neuromuscular differences have been identified throughout the trunk and lower extremity that may increase noncontact ACL injury risk in female athletes. Evidence demonstrates that many risk factors are modifiable with intervention programs and that athletic performance measures can be enhanced. No universally accepted ACL injury prevention program currently exists, and injury prevention programs are diverse. Anterior cruciate ligament injury prevention programs introduced in a warm-up format offer multiple benefits, primarily, improved compliance based on improved practicality of implementation. However, drawbacks of warm-up style formats also exist, most notably that a lack of equipment and resources may preclude measurable improvements in athletic performance that foster improved compliance among participants. The purpose of this review is to analyze the current literature researching possible biomechanical and neuromuscular risk factors in noncontact ACL injury in female athletes and the most effective means of implementing critical elements of a program to decrease ACL injury risk in female athletes while improving athletic performance. Hip and hamstring training, core stabilization, plyometrics, balance, agility, neuromuscular training with video and verbal feedback to modify technique, and stretching appear to be essential components of these programs. Further research is critical to determine ideal training program volume, intensity, duration, and frequency.

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MessageSujet: EFFET D’UN ECHAUFFEMENT DYNAMIQUE AVEC CHARGE SUR LA PERFORMANCE D’UN SAUT VERTICAL   Post échauffement Icon_minitimeMer 6 Juil 2011 - 14:17

EFFECT OF A DYNAMIC LOADED WARM-UP ON VERTICAL JUMP PERFORMANCE

CHARLES CHATTONG,LEE E. BROWN,JARED W. COBURN, AND GUILLERMO J. NOFFAL
Human Performance Laboratory, Department of Kinesiology, California State University, Fullerton, California

24(7)/1751–1754 Journal of Strength and Conditioning Research 2010 National Strength and Conditioning Association

Citation :
Considering the importance of the vertical jump in several sports, an optimal warm-up protocol may help athletes perform at their maximum level. The purpose of this study was to investigate the potentiating effects of different levels of external resistance (weighted vest) during box jumps on vertical jump performance. Twenty resistance trained men (age 22.45 +- 1.73 years, height 176.83 +- 6.67 cm, mass 76.98 +- 8.56 kg) participated in this study. Subjects performed 5 jumps onto a box equivalent in height to their lateral femoral condyle. After a 2-minute rest period, subjects performed 3 vertical jumps with the greatest height being recorded. On day 1, each subject performed a control condition with no external resistance to establish
a baseline vertical jump height. On the following days, they performed 4 random jump conditions with a weight vest equivalent to 5, 10, 15, or 20% of their body weight then rested for 2 minutes before performing 3 posttest vertical jumps. Results demonstrated no significant interaction of condition by time for vertical jump height. However, there was a significant main effect for time (p < 0.05) with posttest jump height (22.99 +- 3.35 in.) being greater than pretest jump height (22.69 +- 3.37 in.). Performing an active dynamic warm-up with or without a weighted vest produced significantly greater posttest vertical jump performance. A dynamic warm-up may improve vertical jump performance, albeit to a very small increment.

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Citation :

Effect Of A Dynamic Loaded Warm-Up On Vertical Jump Performance
Charles Chattong, Charles Chattong, Lee E. Brown, Jared W. Coburn, Guillermo J. Noffal
The vertical jump is a common movement performed in several sports. Considering the importance of this movement, an optimal warm-up protocol may help athletes perform at their maximum level. PURPOSE: The purpose of this study was to investigate the potentiating effects of different levels of external resistance (weight vest) during box jumps on vertical jump performance.
METHODS: Twenty resistance trained males (22.45 yrs ± 1.73, 176.83 cm ± 6.67, 76.98 kg ± 8.56) participated in this study. Each subject’s height, mass, and lateral femoral condyle height were measured on day one. Warm-up was performed by cycling for 5 minutes at a self selected pace. After the warm-up, subjects performed 5 jumps onto a box equivalent in height to their lateral femoral condyle. Following a 2 minute rest period, subjects performed 3 vertical jumps with the greatest height being recorded. On day one each subject performed a control condition with no external resistance to establish a baseline vertical jump height.
On the following days they performed four random jump conditions with a weight vest equivalent to 5, 10, 15, or 20% of their bodyweight then rested for two minutes before performing 3 post-test vertical jumps.
RESULTS: There was no significant interaction of condition by time for vertical jump height. However, there was a significant main effect for time (P < 0.05) with post-test scores (22.99 ± 3.35 inches) being greater than pre-test scores (22.69 ± 3.37
inches).
CONCLUSIONS: Regardless of condition, post-test vertical jump performance was significantly greater than pre-test performance. Performing an active dynamic warm-up with or without a weight vest produced significantly greater post vertical jump performance.
PRACTICAL APPLICATIONS: Findings from this study demonstrated that performing an active dynamic warm-up, with or without external resistance, can elicit a significant gain in vertical jump performance. This may allow athletes to perform at their maximum level in a performance environment. Future research should investigate the effects of different box heights, external loads, and volume on post vertical jump performance.

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MessageSujet: EFFECT OF VARIOUS WARM-UP DEVICES ON BAT VELOCITY OF INTERCOLLEGIATE BASEBALL PLAYERS   Post échauffement Icon_minitimeMer 6 Juil 2011 - 14:24

EFFECT OF VARIOUS WARM-UP DEVICES ON BAT VELOCITY OF INTERCOLLEGIATE BASEBALL PLAYERS

DAVID J. SZYMANSKI,1 ERIK J. BEISER,1 KYLIE E. BASSETT,1 MEGAN E. TILL,1 GREG L. MEDLIN,1 JASON R. BEAM,2 AND COOP DERENNE3
1Department of Kinesiology, Louisiana Tech University, Ruston, Louisiana; 2Department of Health, Exercise, and Sports Science, University of New Mexico, Albuquerque, New Mexico; and 3Department of Kinesiology and Leisure Science, University of Hawaii at Manoa, Manoa, Hawaii

25(2)/287–292 Journal of Strength and Conditioning Research 2011 National Strength and Conditioning Association

Citation :
A variety of warm-up devices are available to baseball players to use before their game at-bat. Past baseball research evaluating warm-up devices indicates that implements that are +-12% of standard game bat weight produce the greatest bat velocities for high school and intercollegiate players. The purpose of this study was to examine the effect of various warm-up devices on bat velocity (BV) of intercollegiate baseball players. Twenty-two Division I intercollegiate baseball players (age = 20.0 +- 1.5 years, height = 182.6 +- 8.3 cm, body mass = 91.4 +- 11.4 kg, lean body mass = 78.8 +- 8.9 kg, % body fat = 13.6 +- 3.Cool participated in a warm-up with 1 of 10 weighted devices on separate days. Each of the 10 testing sessions consisted of a standardized warm-up, 3 dry swings as hard as possible with the assigned warm-up device, 2 comfortable dry swings with a standard game baseball bat followed by 3 game swings (20-second rest between swings) while hitting a baseball off of a batting tee with the same standard game baseball bat. Results indicated that there were no statistically significant differences in BV after using any of the 10 warm-up devices. For male intercollegiate baseball players, results indicate that warm-up devices varying from 623.7 to 2721.5 g (22–96 oz.) did not change mean BV of a standard game baseball bat, suggesting that intercollegiate players can use any of the 10 warm-up devices in the on-deck circle and maintain their BV. Therefore, personal preference as to which warm-up implement to use in the on-deck circle is advised.

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MessageSujet: EFFET DE RÉCHAUFFEMENT COMPORTANT UN ÉTIREMENT STATIQUE OU DYNAMIQUE SUR L’AGILITÉ, LE SPRINT, SAUT ET LE SAUT CHEZ LES SUJETS ENTRAÎNÉS   Post échauffement Icon_minitimeMer 6 Juil 2011 - 14:29

EFFECT OF WARM-UPS INVOLVING STATIC OR DYNAMIC STRETCHING ON AGILITY,SPRINTING, AND JUMPING PERFORMANCE IN TRAINED INDIVIDUALS

ANIS CHAOUACHI,1 CARLO CASTAGNA,2 MOKTAR CHTARA,1 MATT BRUGHELLI,3 OLFA TURKI,1 OLIVER GALY,4 KARIM CHAMARI,1 AND DAVID G. BEHM5
1Tunisian Research Laboratory ‘‘Sport Performance Optimization’’, National Center of Medicine and Science in Sports
(CNMSS), Tunis, Tunisia; 2School of Sport and Exercise Sciences, Faculty of Medicine and Surgery, University of Rome Tor
Vergata, Rome, Italy; 3School of Exercise, Biomedical and Health Sciences, Edith Cowan University, Joondalup,Western Australia,
Australia; 4Laboratory Actes-Physiology, Noumea, New Caledonia; and 5School of Human Kinetics and Recreation, Memorial
University of Newfoundland, St. John’s, Newfoundland, Canada A1C 5S7

24(Cool/2001–2011 Journal of Strength and Conditioning Research 2010 National Strength and Conditioning Association

Citation :
The objective of the present study was to investigate the effects of static and dynamic stretching alone and in combination on subsequent agility, sprinting, and jump performance. Eight different stretching protocols: (a) static stretch (SS) to point of discomfort (POD); (b) SS less than POD (SS,POD); (c) dynamic stretching (DS); (d) SS POD combined with DS (SS POD + DS); (v) SS,POD combined with DS (SS,POD + DS); (vi) DS combined with SS POD (DS + SS POD); (vii) DS combined with SS,POD (DS + SS,POD); and (viii) a control warm-up condition without stretching were implemented with a prior aerobic warm-up and followed by dynamic activities. Dependent variables included a 30-m sprint, agility run, and jump tests. The control condition (4.2 +- 0.15 seconds) showed significant differences (p = 0.05) for faster times than the DS + SS,POD (4.28s +- 0.17) condition in the 30-m (1.9%) sprint. There were no other significant differences. The lack of stretch-induced impairments may be attributed to the trained state of the participants or the amount of time used after stretching before the performance. Participants were either professional or national level elite athletes who trained 6–8 times a week with each session lasting ;90 minutes. Based on these findings and the literature, trained individuals who wish to implement static stretching should include an adequate warm-up and dynamic sport-specific activities with at least 5 or more minutes of recovery before their sport activity.

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MessageSujet: Re: Post échauffement   Post échauffement Icon_minitimeLun 9 Mar 2015 - 8:19

Effect Of A Dynamic Loaded Warm-Up On Vertical Jump Performance
Charles Chattong, Charles Chattong, Lee E. Brown, Jared W. Coburn, Guillermo J. Noffal
The vertical jump is a common movement performed in several sports. Considering the importance of this movement, an optimal warm-up protocol may help athletes perform at their maximum level. PURPOSE: The purpose of this study was to investigate the potentiating effects of different levels of external resistance (weight vest) during box jumps on vertical jump performance.???

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MessageSujet: Re: Post échauffement   Post échauffement Icon_minitimeLun 9 Mar 2015 - 11:38

Salut.

Il serait bon que tu te présentes comme prévu à l'inscription : https://powerandstrength.forumactif.com/f3-presentation-des-membres

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