Familiarization and Reliability of the Isometric Knee Extension Test for Rapid Force Production Assessment

Courel-Ibáñez, Javier; Hernández-Belmonte, Alejandro; Cava-Martínez, Alejandro; Pallarés, Jesús G.

doi:10.3390/app10134499

Cited by 15 publications

(14 citation statements)

References 30 publications

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“…Our results, however, suggested that recreational table tennis during childhood is not enough to induce notable increments in muscle mass. However, it can be argued that the characteristics of table tennis may enhance motor skills up to the point of increasing the ability to produce force in a ballistic action (i.e., the rate of force development) [ 53 , 54 , 55 , 56 ]. Future studies should confirm this hypothesis by introducing specific ballistic tests [ 56 ] to determine whether table tennis practice would induce more efficient motor-unit recruitment and force twitches in short time periods.…”

Section: Discussionmentioning

confidence: 99%

Benefits of Regular Table Tennis Practice in Body Composition and Physical Fitness Compared to Physically Active Children Aged 10–11 Years

Fuente

Ara

Toro

et al. 2021

IJERPH

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The aim of this study was to identify the differences in body composition and physical fitness between children who played table tennis regularly during a two-year period compared to physically active children who were not engaged in a regular activity. Three hundred seventy-four children aged 10 to 11 years were divided into two groups: table tennis players (n = 109 boys and 73 girls) and physically active group (n = 88 boys and 104 girls). Anthropometric analysis included body mass index, skinfolds, perimeters and bone diameters. Somatotype and body composition were determined according to age-specific equations. Physical fitness assessment included hand grip dynamometry (strength), sit-and-reach test (range of movement) and maximal multistage 20 m shuttle run test (cardiovascular fitness). The result show that children who regularly played table tennis had greater bone development and superior physical fitness compared to those who were physically active but not engaged in a regular physical activity. This is the largest study to date presenting data about the potential of table tennis to benefit health in children. These results constitute an important first step in clarifying the effectiveness of table tennis as a health-promotion strategy to encourage children to undertake regular physical activity and limit sedentary behavior.

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Section: Discussionmentioning

confidence: 99%

Benefits of Regular Table Tennis Practice in Body Composition and Physical Fitness Compared to Physically Active Children Aged 10–11 Years

Fuente

Ara

Toro

et al. 2021

IJERPH

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“…Most neuromuscular function variables had a CV of ≤ 10% which is comparable to previous reliability work (Place et al 2007 ; Todd et al 2004 ). However, all impulse variables were less reliable (CV > 10%), as is common with impulse measurements (Courel-Ibáñez et al 2020 ).…”

Section: Methodsmentioning

confidence: 93%

Mouth rinsing and ingesting salty or bitter solutions does not influence corticomotor excitability or neuromuscular function

2023

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Purpose To explore the effect of tasting unpleasant salty or bitter solutions on lower limb corticomotor excitability and neuromuscular function. Methods Nine females and eleven males participated (age: 27 ± 7 years, BMI: 25.3 ± 4.0 kg m−2). Unpleasant salty (1 M) and bitter (2 mM quinine) solutions were compared to water, sweetened water, and no solution, which functioned as control conditions. In a non-blinded randomized cross-over order, each solution was mouth rinsed (10 s) and ingested before perceptual responses, instantaneous heart rate (a marker of autonomic nervous system activation), quadricep corticomotor excitability (motor-evoked potential amplitude) and neuromuscular function during a maximal voluntary contraction (maximum voluntary force, resting twitch force, voluntary activation, 0–50 ms impulse, 0–100 impulse, 100–200 ms impulse) were measured. Results Hedonic value (water: 47 ± 8%, sweet: 23 ± 17%, salt: 71 ± 8%, bitter: 80 ± 10%), taste intensity, unpleasantness and increases in heart rate (no solution: 14 ± 5 bpm, water: 18 ± 5 bpm, sweet: 20 ± 5 bpm, salt: 24 ± 7 bpm, bitter: 23 ± 6 bpm) were significantly higher in the salty and bitter conditions compared to control conditions. Nausea was low in all conditions (< 15%) but was significantly higher in salty and bitter conditions compared to water (water: 3 ± 5%, sweet: 6 ± 13%, salt: 7 ± 9%, bitter: 14 ± 16%). There was no significant difference between conditions in neuromuscular function or corticomotor excitability variables. Conclusion At rest, unpleasant tastes appear to have no influence on quadricep corticomotor excitability or neuromuscular function. These data question the mechanisms via which unpleasant tastes are proposed to influence exercise performance.

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“…Overall, the KE RTD CV in the present study is higher compared to young recreationally active males and females who had been familiarized with the RTD assessment. CV values for KE RTD for young recreationally active males and females ranged from 12.8% to 37.2% for early phase RTD and from 4.5% to 10.2% for late phase RTD (Buckthorpe et al, 2012; Courel‐Ibáñez et al, 2020; Kozinc et al, 2022; Tillin et al, 2011). The present ICC values for late phase KE RTD were comparable to previous findings (Buckthorpe et al, 2012; Courel‐Ibáñez et al, 2020; Kozinc et al, 2022) or slightly lower (Mentiplay et al, 2015).…”

Section: Discussionmentioning

confidence: 99%

“…Thus, tracking changes in RTD might be a relevant measure in patients undergoing bariatric surgery, not least due to the increased fracture risk in this patient population (Lu et al, 2015; Yu et al, 2017). In healthy young recreationally active males and females RTD can be assessed with good‐to‐excellent reliability (Buckthorpe et al, 2012; Courel‐Ibáñez et al, 2020; Kozinc et al, 2022; Tillin et al, 2011). However, the test−retest reliability of lower limb muscle strength and RTD has not previously been examined in adults with obesity.…”

Section: Introductionmentioning

confidence: 99%

Intersession reliability of lower limb muscle strength assessments in adults with obesity eligible for bariatric surgery

Gam,

Petz,

Bjerre

et al. 2024

Clin Physio Funct Imaging

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BackgroundThe aim of this study was to examine the test−retest reliability in lower limb muscle strength and rate of torque development (RTD) using isokinetic dynamometry in adults with obesity, with a body mass index (BMI) ≥ 35 kg/m2.MethodThirty‐two adults with a BMI of 43.8 ± 6.6 kg/m2 eligible for bariatric surgery were enroled in the study. Isokinetic and isometric knee extensor (KE) and flexor (KF) strength were assessed in an isokinetic dynamometer (Biodex 4) during three test sessions separated by 3−7 days.ResultsThere were no statistical differences in peak KE and KF torque for any test modalities between sessions. Intraclass correlation (ICC) was 0.91−0.94 between sessions 1 and 2 and 0.94−0.97 between sessions 2 and 3. Standard error of measurement (SEM%) and coefficient of variation (CV) ranged across test sessions from 4.3% to 7.3%. KE RTD showed high test−retest reliability following familiarization, with ICC, CV and SEM% values ranging from 0.84 to 0.90, 13.3%−20.3% and 14.6%−24.9%, respectively.ConclusionMaximal lower limb muscle strength measured by isokinetic dynamometry showed excellent test−retest reliability manifested by small measurement errors and low CV. Reliability was slightly improved by including a familiarization session. KE RTD but not KF RTD demonstrated high test−retest reliability following familiarization. The present data indicate that isokinetic dynamometry can be used to detect even small changes in lower limb muscle strength in adults with obesity.

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Familiarization and Reliability of the Isometric Knee Extension Test for Rapid Force Production Assessment

Cited by 15 publications

References 30 publications

Benefits of Regular Table Tennis Practice in Body Composition and Physical Fitness Compared to Physically Active Children Aged 10–11 Years

Benefits of Regular Table Tennis Practice in Body Composition and Physical Fitness Compared to Physically Active Children Aged 10–11 Years

Mouth rinsing and ingesting salty or bitter solutions does not influence corticomotor excitability or neuromuscular function

Intersession reliability of lower limb muscle strength assessments in adults with obesity eligible for bariatric surgery

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