Influence of lower-limb muscular and tendon mechanical properties and strength on countermovement jump performance

Wdowski, Maximilian M.; Rosicka, Katarzyna; Hill, Matthew

doi:10.23736/s0022-4707.22.13567-x

Cited by 4 publications

(5 citation statements)

References 33 publications

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“…In a recent study, Men et al [23] applied an intervention program twice a week for 12 weeks to U9 soccer pla observing improvement in CMJ at 6 and 12 weeks compared with the initial measurem It is known that the stretch-shortening cycle affects jump performance [14,21] the improvement observed in SJ and CMJ in this study may be attributed to the impa the INT program on the efficiency of the stretch-shortening cycle of the participants Previous studies have also reported that SJ performance depends on concentric con tion [30], the myotatic reflex, and the ability of muscle fibers to store elastic energy du the stretch-shortening cycle [31]. Furthermore, improvement in intermuscular and i muscular coordination and tendon stiffness are factors that can influence jump pe mance [32,33].…”

Section: Discussionmentioning

confidence: 56%

“…Previous studies have also reported that SJ performance depends on concentric contraction [30], the myotatic reflex, and the ability of muscle fibers to store elastic energy during the stretchshortening cycle [31]. Furthermore, improvement in intermuscular and intramuscular coordination and tendon stiffness are factors that can influence jump performance [32,33].…”

Section: Discussionmentioning

confidence: 99%

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The Effect of Integrative Training Program on Youth Soccer Players’ Power Indexes

Michailidis,

Kyzerakos,

Metaxas

2023

Applied Sciences

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Integrative neuromuscular training (INT) is commonly employed for preventing injuries, yet there is a scarcity of studies examining its impact on the physical capabilities of young athletes. This study sought to explore the influence of a brief, in-season INT intervention on the performance of adolescent soccer players. The participants included thirty-one U15 (under 15 years old) soccer players who were randomly assigned to either the control group (CG) (engaged solely in soccer training, n = 14, 14.6 ± 0.6 years) or the exercise group (EG) (where INT was incorporated into traditional soccer training, n = 17, 14.1 ± 0.6 years). Early or late maturers were excluded from the study. The INT program lasted for 5 weeks (two sessions per week) and mainly included single-leg exercises. At the commencement and conclusion of the intervention program, measurements were taken for acceleration (10 m), speed (30 m), jumping ability (squat jump, SJ, and countermovement jump, CMJ), and change of direction ability (COD) (Illinois agility test). The data analysis employed a two-way repeated-measures ANOVA. The INT program resulted in enhanced performance for the EG in SJ (28.4–32.3, p < 0.001, η2 = 0.463), CMJ (30.6–35.3, p < 0.001, η2 = 0.426), and COD ability (18.11–17.64, p = 0.003, η2 = 0.545). No changes in performance were observed in the CG. The results suggest that the addition of a short-duration in-season INT program in U15 soccer players can induce positive adaptations in their performance.

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Section: Discussionmentioning

confidence: 56%

Section: Discussionmentioning

confidence: 99%

The Effect of Integrative Training Program on Youth Soccer Players’ Power Indexes

Michailidis,

Kyzerakos,

Metaxas

2023

Applied Sciences

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“…That fore there is an urgent need for more studies using this methodology. According to most recent publication by Wdowski et al (2022), higher countermovement jump performance is enabled by higher elasticity (smaller decrement value), stiffness, and tone, with smaller creep-ability and quicker stress-relaxation times measured from Achilleus tendon. Two latter parameters are unique to newest myotonometric device.…”

Section: Discussionmentioning

confidence: 99%

“…According to most recent observations, the elasticity of the muscles in master athletes is lower than in sedentary coevals (Gervazi et al, 2017) and intensive physical exercise significantly increases stiffness in the Achilles tendon (Pozarowszczyk et al, 2017). Most recent work correlations strongly Achilles tendon elasticity (among other parameters) to countermovement jump height (Wdowski et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

Rectus FemorisMuscle Elasticity and Stiffness Correlates with Maximal Oxygen Consumption in Triathletes

Gavronski

Reimets

Talts

et al. 2023

Preprint

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VO2max is considered single best indicator of cardiovascular fitness and aerobic endurance. We analyzed retrospectively, are there any relationships between muscle parameters and oxygen consumption in a study where the myoton equipment was used to establish muscle biomechanical properties, such as elasticity, stiffness, and tension (measured as oscillation frequency) in triathletes. Eight muscles were studied in 14 male triathletes over three years. Relaxed and contracted states of muscles were measured. VO2max was recorded in these athletes up to four times during this period. Average values were calculated for each athlete and High (max 71.8 to min 62.3 ml/kg/min) and Low (59.1 to 51.3) oxygen consumption groups were formed. Higher oxygen consumption correlated significantly (r=-0.58; p=0.029) with improved elasticity (represented by smaller decrement values) of the rectus femoris muscle in a contracted state. Also, in the High VO2max group, this muscle (in a relaxed state) was significantly more elastic and stiffer at the same time compared to the Low group. An ultrasound registration was also conducted to observe the depth of the device's impact in the posterior crural muscles. It was confirmed that deep and substantial tissue disturbances were caused by this impact. According to our findings, myotonometry is an adequate method to establish muscle parameters. Elasticity and stiffness of the rectus femoris muscle may determine success in triathlon.

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“…during soccer training/match play. Furthermore, a stiffer tendon is associated with a faster rate of torque development ( Bojsen-Møller et al, 2005 ), which is also linked to greater lower-limb strength and power outputs ( Bojsen-Møller et al, 2005 ; Wdowski et al, 2022 ). Thus, strength training could have multiple benefits for soccer players, with changes in tendon properties likely due to the cumulative remodeling that occurs after each bout of exercise.…”

Section: Introductionmentioning

confidence: 99%

Collagen supplementation augments changes in patellar tendon properties in female soccer players

Lee

Bridge²,

Clark³

et al. 2023

Front. Physiol.

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We investigated the effect of collagen hydrolysate supplementation on changes in patellar tendon (PT) properties after 10 weeks’ training in female soccer players from a Football Association Women’s Super League Under 21 s squad. We pair-matched n = 17 players (age: 17 ± 0.9 years; height: 1.66 ± 0.06 m; mass: 58.8 ± 8.1 kg) for baseline knee extension (KE) maximum isometric voluntary contraction (MIVC) torque, age, height, and body mass, and randomly assigned them to collagen (COL) or placebo (PLA) groups (COL n = 8, PLA n = 9). Participants consumed 30 g collagen hydrolysate supplementation or energy-matched PLA (36.5 g maltodextrin, 8.4 g fructose) and plus both groups consumed 500 mg vitamin C, after each training session, which comprised bodyweight strength-, plyometric- and/or pitch-based exercise 3 days/week for 10 weeks in-season. We assessed KE MIVC torque, vastus lateralis muscle thickness and PT properties using isokinetic dynamometry and ultrasonography before and after 10 weeks’ soccer training. KE MIVC torque, muscle thickness and tendon cross-sectional area did not change after training in either group. However, COL increased PT stiffness [COL, +18.0 ± 12.2% (d = 1.11) vs. PLA, +5.1 ± 10.4% (d = 0.23), p = 0.049] and Young’s modulus [COL, +17.3 ± 11.9% (d = 1.21) vs. PLA, +4.8 ± 10.3% (d = 0.23), p = 0.035] more than PLA. Thus, 10 weeks’ in-season soccer training with COL increased PT mechanical and material properties more than soccer training alone in high-level female soccer players. Future studies should investigate if collagen hydrolysate supplementation can improve specific aspects of female soccer performance requiring rapid transference of force, and if it can help mitigate injury risk in this under-researched population.

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Influence of lower-limb muscular and tendon mechanical properties and strength on countermovement jump performance

Abstract: This document is the author's post-print version, incorporating any revisions agreed during the peer-review process. Some differences between the published version and this version may remain and you are advised to consult the published version if you wish to cite from it.

Cited by 4 publications

References 33 publications

The Effect of Integrative Training Program on Youth Soccer Players’ Power Indexes

The Effect of Integrative Training Program on Youth Soccer Players’ Power Indexes

Rectus FemorisMuscle Elasticity and Stiffness Correlates with Maximal Oxygen Consumption in Triathletes

Collagen supplementation augments changes in patellar tendon properties in female soccer players

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