Effects of Static Stretching for 30 Seconds and Dynamic Stretching on Leg Extension Power

Yamaguchi, Taichi; Ishii, Kojiro

doi:10.1519/15044.1

Cited by 111 publications

(102 citation statements)

References 10 publications

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“…The general mechanisms that may have caused quadriceps’ net peak torque to improve in this study were an increase in body temperature, increasing the blood flow to the muscles, elasticity of the muscles and neuron activity (Sander et al, 2013) which is defined as an increase in muscle efficiency to produce force after a warm-up program (Sale, 2002), and possibly an increased rate of cross-bridge formation (Yamaguchi and Ishii, 2005). The 11+ and HarmoKnee programs are multifaceted and focus on core stability, balance, and neuromuscular control for soccer-specific skills that promote proper motion patterns (Kiani et al, 2010; Soligard et al, 2008).…”

Section: Discussionmentioning

confidence: 96%

Effectiveness of Injury Prevention Programs on Developing Quadriceps and Hamstrings Strength of Young Male Professional Soccer Players

Daneshjoo¹,

Rahnama²,

Mokhtar³

et al. 2013

Journal of Human Kinetics

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Muscular strength is an important factor which is crucial for performance and injury prevention in most sports. The purpose of this study was to evaluate the effects of the FIFA’s Medical Assessment and Research Centre 11+ and HarmoKnee injury prevention programs on knee strength of young professional male soccer players. Thirty-six soccer players (age: 18.9 ± 1.4 years) were divided equally into three groups; the 11+, HarmoKnee and control groups. The programs were performed for 24 sessions. Hamstring and quadriceps strength was measured using the Biodex System 3 at 30°, 60° and 90° of knee flexion. The 11+ increased quadriceps strength in the dominant leg by 19.7% and 47.8% at 60°and 90° knee flexion, respectively, and in the non-dominant leg by 16%, 35.3% and 78.1 % at 30°, 60° and 90° knee flexion, respectively. The HarmoKnee group, however, showed increased quadriceps strength only at 90° i.e., by 85.7% in the dominant leg and 73.8% in the non-dominant leg. As for hamstring strength, only the 11+ group demonstrated an increment by 24.8% and 19.8% at 30° and 60° knee flexion in the dominant leg, and in the non-dominant leg, by 28.7% and 13.7% at 30° and 60° knee flexion, respectively. In conclusion, both warm-up programs improve quadriceps strength. The 11+ demonstrated improvement in hamstring strength while the HarmoKnee program did not indicate any improvement. We suggest adding eccentric hamstring components such as Nordic hamstring exercise to the HarmoKnee program in order to enhance hamstring strength.

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Section: Discussionmentioning

confidence: 96%

Effectiveness of Injury Prevention Programs on Developing Quadriceps and Hamstrings Strength of Young Male Professional Soccer Players

Daneshjoo¹,

Rahnama²,

Mokhtar³

et al. 2013

Journal of Human Kinetics

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“…The muscles stretched were the hamstrings, the quadriceps and the calf muscles. For the static stretching (Table 1), each stretch was held in a position at which the participant verbally indicated that he had stretched the muscle to a point of mild discomfort [40]. For the dynamic stretching exercises (Table 2), each athlete intentionally contracted the antagonist of the target muscle and performed the dynamic movements every 2 seconds under the verbal count of the experimenter [4].…”

Section: Methodsmentioning

confidence: 99%

“…For the dynamic stretching exercises (Table 2), each athlete intentionally contracted the antagonist of the target muscle and performed the dynamic movements every 2 seconds under the verbal count of the experimenter [4]. Each exercise was performed 5 times slowly and then 10 times as quickly as possible without bouncing [40].…”

Section: Methodsmentioning

confidence: 99%

Effect of Static and Dynamic Stretching on the Diurnal Variations of Jump Performance in Soccer Players

et al. 2013

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PurposeThe present study addressed the lack of data on the effect of different types of stretching on diurnal variations in vertical jump height - i.e., squat-jump (SJ) and countermovement-jump (CMJ). We hypothesized that dynamic stretching could affect the diurnal variations of jump height by producing a greater increase in short-term maximal performance in the morning than the evening through increasing core temperature at this time-of-day.MethodsTwenty male soccer players (age, 18.6±1.3 yrs; height, 174.6±3.8 cm; body-mass, 71.1±8.6 kg; mean ± SD) completed the SJ and CMJ tests either after static stretching, dynamic stretching or no-stretching protocols at two times of day, 07:00 h and 17:00 h, with a minimum of 48 hours between testing sessions. One minute after warming-up for 5 minutes by light jogging and performing one of the three stretching protocols (i.e., static stretching, dynamic stretching or no-stretching) for 8 minutes, each subject completed the SJ and CMJ tests. Jumping heights were recorded and analyzed using a two-way analysis of variance with repeated measures (3 [stretching]×2 [time-of-day]).ResultsThe SJ and CMJ heights were significantly higher at 17:00 than 07:00 h (p<0.01) after the no-stretching protocol. These daily variations disappeared (i.e., the diurnal gain decreased from 4.2±2.81% (p<0.01) to 1.81±4.39% (not-significant) for SJ and from 3.99±3.43% (p<0.01) to 1.51±3.83% (not-significant) for CMJ) after dynamic stretching due to greater increases in SJ and CMJ heights in the morning than the evening (8.4±6.36% vs. 4.4±2.64%, p<0.05 for SJ and 10.61±5.49% vs. 6.03±3.14%, p<0.05 for CMJ). However, no significant effect of static stretching on the diurnal variations of SJ and CMJ heights was observed.ConclusionDynamic stretching affects the typical diurnal variations of SJ and CMJ and helps to counteract the lower morning values in vertical jump height.

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“…Both stretching programs were overseen by the principal investigator. During the standard stretch protocol, players performed two repetitions of slow, static active modified hurdler stretches, with each stretch held for 30 seconds at the point of maximal stretch with mild discomfort (Yamaguchi & Ishii, 2005). The stretch was performed on the left leg and then on the right leg after a 20-second rest period (Yamaguchi & Ishii, 2005).…”

Section: Stretch Trainingmentioning

confidence: 99%

“…Stretching was performed five times at a slow rate, followed by 10 quick stretches performed as powerfully as possible without bouncing (Yamaguchi & Ishii, 2005). Stretching was first carried out on the left leg and, after a 20-second rest period, performed on the right leg (Yamaguchi & Ishii, 2005). Analyses SPSS for Windows software was used for all statistical analyses.…”

Section: Stretch Trainingmentioning

confidence: 99%

Dynamic stretching is effective as static stretching at increasing flexibility

Coons¹,

Gould²,

Kim³

et al. 2017

jhse

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This study examined the effect of dynamic and static (standard) stretching on hamstring flexibility. Twentyfive female volleyball players were randomly assigned to dynamic (n = 12) and standard (n = 13) stretching groups. The experimental group trained with repetitive dynamic stretching exercises, while the standard modality group trained with static stretching exercises. The stretching interventions were equivalent in the time at stretch and were performed three days a week for four weeks. Both stretching groups showed significant improvements (P < .001) in range of motion (ROM) during the intervention. However, no difference in gains in the range of motion between stretching groups was observed. It was concluded that both dynamic stretching and standard stretching are effective at increasing ROM.

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Effects of Static Stretching for 30 Seconds and Dynamic Stretching on Leg Extension Power

Cited by 111 publications

References 10 publications

Effectiveness of Injury Prevention Programs on Developing Quadriceps and Hamstrings Strength of Young Male Professional Soccer Players

Effectiveness of Injury Prevention Programs on Developing Quadriceps and Hamstrings Strength of Young Male Professional Soccer Players

Effect of Static and Dynamic Stretching on the Diurnal Variations of Jump Performance in Soccer Players

Dynamic stretching is effective as static stretching at increasing flexibility

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