Muscle adaptations following 21 consecutive days of strength test familiarization compared with traditional training

Dankel, Scott J.; Counts, Brittany R.; Barnett, Brian E.; Buckner, Samuel L.; Abe, Takashi; Loenneke, Jeremy P.

doi:10.1002/mus.25488

Cited by 77 publications

(61 citation statements)

References 45 publications

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“…Typically, maximisation of both strength and hypertrophy outcomes requires the use of both maximal (or near maximal) load lifts in addition to the attainment of some minimal volume. 25 While the findings of this study suggest sets of 2-5 repetitions using and unaided 1RM load are possible with the Slingshot, sets utilising this repetition range are more commonly associated with strength development. 3 The performance of increased total training session volume-loads during heavy load bench press training has been reported as significantly associated with greater improvements in bench press 1RM in adolescents.…”

Section: Discussionmentioning

confidence: 60%

The ‘Slingshot’ can enhance volume-loads during performance of bench press using unaided maximal loads

Niblock¹,

Steele²

2017

Journal of Trainology

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Objective: To examine whether using the Slingshot will enable participants to perform a greater volume-load during bench press repetitions with a maximal load and increase set volume-load compared to an unaided condition. Summary of Background Data:Literature suggests that increased volume-loads during training may aid in improving strength, and further maximises mechanical tension and metabolic stress potentially leading to increased hypertrophy. It has been suggested that a new piece of equipment, called the Slingshot could be used in training to improve performance in the bench press by enabling individuals to increase their training volume whilst using maximal loads.Method: Nine trained male participants volunteered to participate. Each participant performed a bench press one repetition maximum (1RM) test before completing repetitions to momentary failure using the Slingshot one week later. Volume-load for each condition was calculated as repetitions (n) × load (kg).Results: A paired samples t-Test comparing between conditions revealed a significant difference (p < 0.001) between volume loads performed unaided (96.1 ± 14.6 kg) and with the Slingshot (350 ± 103.7 kg). Conclusion:Using the slingshot in training does allow individuals to perform greater volume-loads with a maximal load; however longitudinal research must be conducted to ascertain the magnitude of any potential benefit from using it.(Journal of Trainology 2017;6:47-51)

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Section: Discussionmentioning

confidence: 60%

The ‘Slingshot’ can enhance volume-loads during performance of bench press using unaided maximal loads

Niblock¹,

Steele²

2017

Journal of Trainology

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“…We expected that a familiarization session would be necessary in order to minimize the impact of motor learning on maximal PFM activation, since a learning effect has been observed for other skeletal muscle groups including the quadriceps, 27 the hamstrings 28 and the biceps brachii. 29 While this effect is quite small, with increases in performance ranging between 0.5 to 1.9% between an initial and subsequent sessions, there is some consensus that a familiarization session is necessary, particularly in athletes but also in non-athletes, to ensure the stability of force outcomes. [30][31][32][33][34] While this is, to our knowledge, the first investigation into the effects of a familiarization session on dynamometric measures of female PFM properties, previous authors have suggested that a familiarization effect may exist.…”

Section: The Impact Of a Familiarization Session On Dynamometric Outcmentioning

confidence: 99%

The impact of a familiarization session on the magnitude and stability of active and passive pelvic floor muscle forces measured through intravaginal dynamometry

Czyrnyj

Bérubé

Varette

et al. 2019

Neurourology and Urodynamics

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Aims The aim of this study was to investigate the impact of task familiarization on (1) the magnitude and (2) the repeatability of active and passive properties of the female pelvic floor muscles (PFMs) measured using automated intra‐vaginal dynamometry. Methods Women attended three laboratory sessions at one‐week intervals. After receiving initial task instruction and feedback at the start of the first session, standardized instructions were given while women performed maximal effort voluntary contractions of their PFMs with the dynamometer arms open at two different diameters and kept their PFMs relaxed while the dynamometer arms opened to 40 mm at two speeds. Outcomes included baseline force, peak force, relative peak forces (N), rate of force development (N/s) and stiffness. Between session effects were tested for all outcomes using one‐way ANOVAs. Intra‐class correlation coefficients (ICCs) and minimal detectable change values were computed within each session and between sessions 1 and 2 and sessions 2 and 3. Results Twenty nulliparous women (mean age = 35 ± 15 years) participated. No differences in the mean values were found across the three visits for any outcomes. Within sessions, neither ICC nor minimal detectable change differed among sessions and between‐session ICC values were not different between visits 1 and 2 and visits 2 and 3. Conclusions There is no evidence of a familiarization effect over a two‐week period on the amplitude nor repeatability of dynamometric measures of active or passive PFM properties recorded from nulliparous women.

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“…Maximal strength can fluctuate on a day-to-day basis or change throughout the training block. 8 Consequently, prescribing loads based on percentage 1RM can lead to a suboptimal training stimulus.…”

Section: Introductionmentioning

confidence: 99%

Effects of In-Season Velocity- Versus Percentage-Based Training in Academy Rugby League Players

Orange¹,

Metcalfe²,

Robinson³

et al. 2020

International Journal of Sports Physiology and Performance

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Purpose: To compare the effects of velocity-based training (VBT) vs percentage-based training (PBT) on strength, speed, and jump performance in academy rugby league players during a 7-wk in-season mesocycle. Methods: A total of 27 rugby league players competing in the Super League U19s Championship were randomized to VBT (n = 12) or PBT (n = 15). Both groups completed a 7-wk resistance-training intervention (2×/wk) that involved the back squat. The PBT group used a fixed load based on a percentage of 1-repetition maximum (1-RM), whereas the VBT group used a modifiable load based on individualized velocity thresholds. Biomechanical and perceptual data were collected during each training session. Back-squat 1-RM, countermovement jump, reactive strength index, sprint times, and back-squat velocity at 40–90% 1-RM were assessed pretraining and posttraining. Results: The PBT group showed likely to most likely improvements in 1-RM strength and reactive strength index, whereas the VBT group showed likely to very likely improvements in 1-RM strength, countermovement jump height, and back-squat velocity at 40% and 60% 1-RM. Sessional velocity and power were most likely greater during VBT compared with PBT (standardized mean differences = 1.8–2.4), while time under tension and perceptual training stress were likely lower (standardized mean differences = 0.49–0.66). The improvement in back-squat velocity at 60% 1-RM was likely greater following VBT compared with PBT (standardized mean difference = 0.50). Conclusion: VBT can be implemented during the competitive season, instead of traditional PBT, to improve training stimuli, decrease training stress, and promote velocity-specific adaptations.

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Muscle adaptations following 21 consecutive days of strength test familiarization compared with traditional training

Abstract: Increases in 1RM strength from resistance training are related to the specificity of exercise and are likely driven by mechanisms other than muscle growth. Muscle Nerve 56: 307-314, 2017.

Cited by 77 publications

References 45 publications

The ‘Slingshot’ can enhance volume-loads during performance of bench press using unaided maximal loads

The ‘Slingshot’ can enhance volume-loads during performance of bench press using unaided maximal loads

The impact of a familiarization session on the magnitude and stability of active and passive pelvic floor muscle forces measured through intravaginal dynamometry

Effects of In-Season Velocity- Versus Percentage-Based Training in Academy Rugby League Players

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