Effects of Static and Dynamic Stretching on Injury Prevention in High School Soccer Athletes: A Randomized Trial

2015 ◽  
Vol 24 (3) ◽  
pp. 229-235 ◽  
Author(s):  
Alan A. Zakaria ◽  
Robert B. Kiningham ◽  
Ananda Sen
Keyword(s):  
High School ◽  
Lower Extremity ◽  
Outcome Measures ◽  
Static Stretching ◽  
Back Injuries ◽  
Warm Up ◽  
Dynamic Stretching ◽  
Significant Difference ◽  
Soccer Teams ◽  
Cluster Randomized

Objective:To determine if there is any benefit to static stretching after performing a dynamic warm-up in the prevention of injury in high school soccer athletes.Design:Prospective cluster randomized nonblinded study.Setting:12 high schools with varsity and junior varsity boys’ soccer teams (24 soccer teams) across the state of Michigan.Participants:Four hundred ninety-nine student-athletes were enrolled, and 465 completed the study. One high school dropped out of the study in the first week, leaving a total of 22 teams.Interventions:Dynamic stretching protocol vs dynamic + static (D+S) stretching protocol.Main Outcome Measures:Lower-extremity, core, or lower-back injuries per team.Results:Twelve teams performed the dynamic stretching protocol and 10 teams performed the D+S stretching protocol. There were 17 injuries (1.42 ± 1.49 injuries/team) among the teams that performed the dynamic stretching protocol and 20 injuries (2.0 ± 1.24 injuries/team) among the teams that performed the D+S protocol. There was no statistically significant difference in injuries between the 2 groups (P = .33).Conclusions:There is no difference between dynamic stretching and D+S stretching in the prevention of lower-extremity, core, and back injuries in high school male soccer athletes. Static stretching does not provide any added benefit to dynamic stretching in the prevention of injury in this population before exercise.

Static and Dynamic Acute Stretching Effect on Gymnasts’ Speed in Vaulting

2003 ◽  
Vol 15 (4) ◽  
pp. 383-391 ◽  
Author(s):  
Theophanis Siatras ◽  
Georgios Papadopoulos ◽  
Dimitra Mameletzi ◽  
Vasilios Gerodimos ◽  
Spiros Kellis
Keyword(s):  
Repeated Measures ◽  
Acute Effect ◽  
Static Stretching ◽  
Warm Up ◽  
Dynamic Stretching ◽  
Significant Difference ◽  
Post Hoc ◽  
Stretching Effect ◽  
Stretching Exercises

Although warm-up and stretching exercises are routinely performed by gymnasts, it is suggested that stretching immediately prior to an activity might affect negatively the athletic performance. The focus of this investigation was on the acute effect of a protocol, including warm-up and static and dynamic stretching exercises, on speed during vaulting in gymnastics. Eleven boys were asked to perform three different protocols consisting of warm-up, warm-up and static stretching and warm-up and dynamic stretching, on three nonconsecutive days. Each protocol was followed by a “handspring” vault. One-way analysis of variance for repeated-measures showed a significant difference in gymnasts’ speed, following the different protocols. Tukey’s post hoc analysis revealed that gymnasts mean speed during the run of vault was significantly decreased after the application of the static stretching protocol. The findings of the present study indicate the inhibitory role of an acute static stretching in running speed in young gymnasts.

scholarly journals Electromyography Assessments of the Vastus Medialis Muscle during Soccer Instep Kicking between Dynamic and Static Stretching

2010 ◽  
Vol 24 (1) ◽  
pp. 35-42 ◽  
Author(s):  
Mohammadtaghi Amiri-Khorasani ◽  
Noor Osman ◽  
Ashril Yusof
Keyword(s):  
Muscle Activity ◽  
High Speed ◽  
Soccer Players ◽  
Vastus Medialis ◽  
Static Stretching ◽  
Warm Up ◽  
Dynamic Stretching ◽  
Significant Difference ◽  
Ball Velocity ◽  
Vastus Medialis Muscle

Electromyography Assessments of the Vastus Medialis Muscle during Soccer Instep Kicking between Dynamic and Static StretchingThe purpose of this study was to examine the effects of static and dynamic stretching within a pre-exercise warm-up on vastus medialis muscle activity during instep kicking and ball velocity in soccer players. The kicking motions of dominant legs were captured from using six synchronized high-speed infra-red cameras at 200 Hz and Electromyography at 100 Hz. There was significant difference in vastus medialis activity after dynamic stretching relative to no stretching condition (0.12 ± 0.06 mV) versus static stretching relative to no stretching condition (-0.21 ± 0.10 mV) with p < 0.001). In addition, there was also a significant difference in ball velocity after dynamic stretching relative to no stretching condition (4.53 ± 2.10 m/s) versus static stretching relative to no stretching condition (-1.48 ± 2.43 m/s) with p < 0.003. We concluded that dynamic stretching during the warm-up, as compared to static stretching, is probably more effective as preparation for optimal muscle activity and finally have high ball velocity which is required in soccer.

scholarly journals The Acute Effects of Dynamic and Static Stretching on Tennis Serve Targeting Performance

2019 ◽  
Vol 7 (4) ◽  
pp. 123
Author(s):  
Bulent Turna ◽  
Asuman Sahan ◽  
Bahar Yilmaz
Keyword(s):  
Wilcoxon Test ◽  
Static Stretching ◽  
Acute Effects ◽  
Warm Up ◽  
Dynamic Stretching ◽  
Paired Samples ◽  
Tennis Serve ◽  
Playing Time ◽  
Homogeneous Data ◽  
Stretching Exercises

The study investigates the acute effects of dynamic and static stretching on the tennis serve targeting performance of amateur tennis players. Twenty male athletes who were between the ages of 16-24 years and played tennis for at least 1 year (21.40±2.16 years, 181±0.06 cm, 71.85±7.42 kg, tennis playing time 1.55±0.88 years) voluntarily participated in the study.Prior to the pre-tests and after applying the traditional warm-up protocol, serve targeting test (STT) was applied to all participants. In the post-tests, STT was used after applying three different warm-up methods on three different days (48-hour rest interval). The warm-up stages included No Treatment (NT) (jogging, rally), Static Stretching (SS) and Dynamic Stretching (DS).In the statistical analysis, the homogeneity of the data was investigated using the Shapiro Wilk test. The Wilcoxon test was used to compare the pre-test and post-test results of the non-homogeneous data; Friedman test was used to compare the three different stretching methods with each other; in the paired comparisons of the groups, the paired samples t-test was used for the homogenous data and Wilcoxon test was used for the non-homogeneous data. In conclusion, stretching exercises before serving increased the serve targeting performance and the increase in the dynamic stretching exercises was higher than that in static stretching exercises.

scholarly journals EFFECTS OF NEUROMUSCULAR TRAINING ON BIOMECHANICAL EFFICIENCY IN HIGH SCHOOL ATHLETES

2020 ◽  
Vol 8 (4_suppl3) ◽  
pp. 2325967120S0014
Author(s):  
Joseph J. Janosky ◽  
Brandon Schneider ◽  
Daphne Ling ◽  
James Russomano ◽  
Naomi Roselaar ◽  
...  
Keyword(s):  
High School ◽  
Lower Extremity ◽  
Performance Feedback ◽  
Sports Medicine ◽  
Intervention Group ◽  
Control Group ◽  
High School Athletes ◽  
Warm Up ◽  
Left Lower Extremity ◽  
And Performance

Background: Anterior cruciate ligament (ACL) injuries are among the most common and devastating sports-related knee injuries. Neuromuscular training (NMT) has demonstrated efficacy as a preventive intervention for ACL injury and has been associated with improvements in measures of sports performance, but the specific physiologic mechanisms that serve as protective factors and contribute to improved performance haven not been well-defined. Hypothesis/Purpose: The purpose of this study is to investigate the association between NMT and biomechanical efficiency among high school athletes. We hypothesized that the performance of NMT is associated with improved biomechanical efficiency during the performance of fundamental movements and agility tests when compared to a group of untrained control subjects. Methods: Eight high school soccer and basketball teams (111 athletes, 53.1% male, mean age 15.6 years) were recruited and assigned to either an intervention or control group. The intervention group performed NMT as part of their warm-up prior to each practice and competition for 12 weeks. NMT was administered by experienced sports medicine clinicians who provided exercise instruction, technique cues, and performance feedback throughout each training session. The control group performed their customary warm-up under the direction of the team’s coaches. Biomechanical efficiency was assessed through performance of static and dynamic tests using an FDA-approved wireless sensor system. Agility was assessed using a timed three-cone agility test. All tests were administered immediately prior to and following each competitive sports season. Results: Matched pre-/post-season data was collected from 74 athletes (67%). Significant improvements [point estimate (95% CI) p-value] were observed in the intervention group for left lower extremity [0.25 (0.06,0.45) p = 0.01] and right lower extremity [0.21 (0.05,0.37) p = 0.01] loading/landing speed ratios during a single leg hop test, left lower extremity [-136.34 (-225.74,-46.95) p = 0.003] and right lower extremity [-110 (-211.36,-8.64) p = 0.03] ground reaction force, left lower extremity [-1.03, (-.189,-0.18) p = 0.02] and right lower extremity [-0.94 (-1.73,-0.14) p = 0.02] initial peak acceleration, and cadence [-12.12 (-21.60,-2.65) p = 0.01] during a straight-line running acceleration/deceleration test, and time [0.51 (0.24,0.78) p = 0.0003] during a three-cone agility test. Conclusion: Results demonstrate that season-long, sport-specific, age-appropriate NMT administered by sports medicine clinicians can significantly improve biomechanical efficiency during the performance of fundamental movements and agility tests by high school athletes. To achieve similar results, sports coaches should be trained to provide exercise instruction, technique cues, and performance feedback when administering NMT in real-world settings. [Table: see text][Table: see text]

scholarly journals Measurement of the Effect of Static Stretching on Hamstring Flexibility in High School Females

2015 ◽  
Vol 8 (5) ◽  
pp. 18-21
Author(s):  
Elham Moradi ◽  
Shaghayegh Hashemi Motlagh ◽  
Zahra Nikkhah
Keyword(s):  
High School ◽  
Training Group ◽  
Control Group ◽  
Static Stretching ◽  
Test Results ◽  
Static Stretch ◽  
Hamstring Muscles ◽  
Significant Difference ◽  
Before And After ◽  
Hamstring Flexibility

Background: flexibility that is one of basic aspects of any sport program , can be developed and acquired through various stretching exercises. This study examined the effect of six-weeks of static stretching on hamstring flexibility in high school females. Methods: Thirty healthy high school females aged 15 to 17 years were randomly assigned to one of two groups. The training group underwent static stretch training of the hamstring with a six-weeks protocol training sessions were 3 days per week, including 4 30-seconds stretches per day for each of subjects. The other group acted as control group. Before and after six-weeks of stretching, flexibility of the hamstring muscles was determined by Sit & Reach Test. Results: A significant increase in flexibility of hamstring was found in training group (mean 31cm to 39/87cm), and no significant difference was revealed in hamstring flexibility after the six-weeks static stretching for the control group. Conclusion: This study indicated that the static stretching significantly increased the hamstring flexibility and suggests that subjects use static stretching for increasing their hamstring flexibility.DOI: http://dx.doi.org/10.3126/ijls.v8i5.10914

scholarly journals Acute Effects of a Static vs. a Dynamic Stretching Warm-up on Repeated-Sprint Performance in Female Handball Players

2020 ◽  
Vol 72 (1) ◽  
pp. 161-172 ◽  
Author(s):  
Piotr Zmijewski ◽  
Patrycja Lipinska ◽  
Anna Czajkowska ◽  
Anna Mróz ◽  
Paweł Kapuściński ◽  
...  
Keyword(s):  
Average Power ◽  
Young Female ◽  
Sprint Performance ◽  
Lower Limbs ◽  
Static Stretching ◽  
Linear Modeling ◽  
Range Of Movement ◽  
Warm Up ◽  
Dynamic Stretching ◽  
Repeated Sprint

AbstractThis randomized cross-over study examined the effects of typical static and dynamic stretching warm-up protocols on repeated-sprint performance. Thirteen young female handball players performed a 5 min aerobic warm-up followed by one of three stretching protocols for the lower limbs: (1) static stretching, (2) dynamic-ballistic stretching, and (3) no stretching before performing five all-out sprints on a cycle ergometer. Each protocol was performed on a different occasion, separated by 2-3 days. Range of movement (ROM) was also measured before and after the warm-up protocols with a sit-and-reach test. Fixed and random effects of each stretching protocol on repeated sprint performance were estimated with mixed linear modeling and data were evaluated via standardization and magnitude-based inferences. In comparison to no stretching, there were small increases in ROM after dynamic stretching (12.7%, ±0.7%; mean, ±90% confidence limits) and static stretching (19.2%, ±0.9%). There were small increases in the average power across all sprints with dynamic stretching relative to static stretching (3.3%, ±2.4%) and no stretching (3.0%, ±2.4%) and trivial to small increases in the average power in the 1st and 5th trials with dynamic stretching compared to static stretching (3.9%, ±2.6%; 2.6%, ±2.6%, respectively) and no stretching (2.0%, ±2.7%; 4.1%, ±2.8%, respectively). There were also trivial and small decreases in power across all sprints with static relative to dynamic stretching (-1.3%, ±2.8%) and no stretching (-3.5%, ±2.9%). Dynamic stretching improved repeated-sprint performance to a greater extent than static stretching and no stretching.

scholarly journals Acute Effects of Static and Dynamic Stretching on Jump Performance of Volleyball Players

2021 ◽  
Vol 4 (3) ◽  
Author(s):  
Yasemin Arı ◽  
◽  
Ozan Sever ◽  
Aslıhan Arslangörür ◽  
Asım Tunçel ◽  
...  
Keyword(s):  
Rank Test ◽  
Control Group ◽  
Static Stretching ◽  
Acute Effects ◽  
Jump Performance ◽  
Dynamic Stretching ◽  
Friedman Analysis ◽  
Significant Difference ◽  
Volleyball Players ◽  
Group Control Group

The aim of this study is to examine the acute effects of different stretching methods on jump performance of volleyball players. 11 female volleyball players (age: 24.36 ± 5.10 years; height: 177.81 ± 7.30 cm; weight: 68.17 ± 11.69 kg; body mass index (BMI): 21.46 ± 2.56 kg.m-2; sports age: 12.72 ± 5.31 years) have participated voluntarily in this study. The players have applied three different stretching protocols such as control (no stretching), static and dynamic stretching on non-consecutive days. The protocols have included 5 minutes general warm-up, 1 minute rest, 30-second stretch program for each muscle group (control group not included), 1 minute rest and countermovement jump (CMJ), squat jump (SJ) and standing long jump (SLJ) tests. Friedman analysis has been used for data analysis. Wilcoxon Signed Rank Test has been implemented in order to determine the difference among groups. At the end of the study, a significant difference has been found between control and dynamic stretching groups with regard to static stretching groups in view of CMJ and SJ performance findings (p <0.05). It has been found that there is a statistically significant difference in the test averages of dynamic stretching group compared to static stretching group in view of SLJ performance findings (p <0.05). This study shows that static stretching practices reduce the jumping performance of the players. As a result, it can be suggested that trainers should use dynamic stretching methods before the trainings on jumping properties containing explosive movements.

scholarly journals High School Basketball Coach And Player Perspectives About Warm Up Routines And Lower Extremity Injuries

2020 ◽  
Vol 52 (7S) ◽  
pp. 1017-1018
Author(s):  
Corrine Munoz-Plaza ◽  
Dana Pounds ◽  
Anna Davis ◽  
Stacy Park ◽  
Robert Sallis ◽  
...  
Keyword(s):  
High School ◽  
Lower Extremity ◽  
Warm Up ◽  
Lower Extremity Injuries ◽  
Extremity Injuries

scholarly journals The Acute Effects of Foam Rolling and Dynamic Stretching on Athletic Performance: A Critically Appraised Topic

2020 ◽  
pp. 1-6
Author(s):  
Bethany L. Anderson ◽  
Rod A. Harter ◽  
James L. Farnsworth
Keyword(s):  
Athletic Performance ◽  
Controlled Trials ◽  
Static Stretching ◽  
Acute Effects ◽  
Warm Up ◽  
Dynamic Stretching ◽  
Foam Rolling ◽  
Treatment Groups ◽  
Randomized Controlled ◽  
And Performance

Clinical Scenario: Dynamic stretching and foam rolling are commonly used by athletes to reduce injury and enhance recovery, thereby improving athletic performance. In contrast to dynamic stretching, little research has been conducted on the acute effects of foam rolling as part of the preexercise warm-up routine. Previously, when researchers implemented foam rolling with static stretching as a warm-up, some found that foam rolling slightly improved flexibility and performance outcomes. More recent research has shown that dynamic stretching is favorable to static stretching when used as a warm-up strategy. Therefore, adding foam rolling to dynamic stretching is hypothesized to create more significant improvements in flexibility and performance compared with adding foam rolling to static stretching. Focused Clinical Question: In active individuals, does foam rolling in addition to dynamic stretching lead to enhanced performance compared with dynamic stretching alone? Summary of Key Findings: Four randomized controlled trials were included. Two studies concluded that the addition of foam rolling to dynamic stretching increased vertical jump height more than dynamic stretching alone, while 2 studies found no difference between these treatment groups. Two studies concluded that the addition of foam rolling increased agility performance compared with dynamic stretching alone, while one study found no difference between treatment groups and one study did not measure agility. All 4 studies reviewed concluded that foam rolling did not improve flexibility more than dynamic stretching alone. Clinical Bottom Line: Foam rolling in conjunction with dynamic stretching may further improve an athlete’s agility and power output; however, little improvement has been observed with foam rolling in regard to athlete flexibility when compared with completing dynamic stretching programs alone. Strength of Recommendation: Inconsistent findings from 4 randomized controlled trials suggest there is Grade C evidence to support the inclusion of foam rolling in a dynamic warm-up.

scholarly journals Dynamic Balance in Athletes With Intellectual Disability: Effect of Dynamic Stretching and Plyometric Warm-Ups

2020 ◽  
pp. 1-7
Author(s):  
Ghada Jouira ◽  
Selim Srihi ◽  
Fatma Ben Waer ◽  
Haithem Rebai ◽  
Sonia Sahli
Keyword(s):  
Intellectual Disability ◽  
Repeated Measures ◽  
Dynamic Balance ◽  
Preventive Measure ◽  
Composite Score ◽  
Balance Test ◽  
Warm Up ◽  
Dynamic Stretching ◽  
Significant Difference ◽  
Composite Scores

Context: Athletes with intellectual disability (ID) have a high risk of injury while participating in various sports. Warm-up (WU) is the most preventive measure to reduce injuries in sports. Objective: To investigate the effects of dynamic stretching WU (DS-WU) and plyometric WU (PL-WU) on dynamic balance in athletes with ID. Design: Crossover study. Setting: Research laboratory. Participants: A total of 12 athletes with ID (age 24.5 [3.22] y, height 165.7 [8.4] cm, weight 61.5 [7.1] kg, intelligence quotient 61.1 [3.5]). Main Outcome Measures: Dynamic balance was assessed using the Star Excursion Balance Test (SEBT) at pre-WU, post-WU, and 15 minutes post-WU for both the DS-WU and the PL-WU. A 2-way analysis of variance (3 sessions × 2 WU methods) with repeated-measures was used in this study. Results: Following the DS-WU, participants demonstrated significant improvements in the SEBT composite score post-WU (89.12% [5.54%] vs 87.04% [5.35%]; P < .01) and at 15 minutes post-WU (89.55% [5.28%] vs 87.04%, P < .01) compared with pre-WU. However, no significant difference between these two post-WU scores (post-WU and 15 min post-WU) was found. For the PL-WU, participants demonstrated a significant decrease in the SEBT composite score at post-WU (85.95% [5.49%] vs 87.02% [5.73%]; P < .05); however, these scores increased significantly at 15 minutes post-WU (88.60% [5.42%] vs 87.02% [5.49%]; P < .05) compared with that at pre-WU. The SEBT composite scores are significantly higher in the DS-WU than in the PL-WU at both post-WU sessions (P < .05). Conclusion: Both DS-WU and PL-WU could improve dynamic balance and may be recommended as WUs in athletes with ID; however, particular caution should be exercised immediately after the PL-WU.

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