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Alasdair Strokosch, Loic Louit, Laurent Seitz, Richard Clarke and Jonathan D. Hughes

squats have previously been shown to be a predominantly knee joint or quadriceps dominant exercise, 22 and it could be argued that, due to its hip dominance and greater activation of the posterior chain, the deadlift may be a suitable alternative. 23 Therefore, the purpose of this study is to

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Taylor K. Dinyer, M. Travis Byrd, Ashley N. Vesotsky, Pasquale J. Succi and Haley C. Bergstrom

lift value. Therefore, the purpose of this study was to examine the application of the 2-parameter, linear model to the full-body resistance training movement, the deadlift, and to estimate the critical resistance (CR: the highest sustainable resistance that can be lifted for an indefinite number of

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Hayden J. Pritchard, Matthew J. Barnes, Robin J. Stewart, Justin W. Keogh and Michael R. McGuigan

volume reductions. Potential mechanisms behind such changes were also explored. It was hypothesized that the higher intensity taper would produce greater improvements in neuromuscular performance. Methods Subjects The inclusion criteria for the study were (1) a current deadlift 1RM of at least 1.5 times

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Shane Ball, Mark Halaki, Tristan Sharp and Rhonda Orr

strength was measured using the 3-repetition-maximum (RM) protocol for bench press (upper body), squat (lower body), and deadlift (whole-body) exercises, 17 from which 1RM was calculated. 17 Lower-body peak muscle power was calculated from the vertical-jump test using the best jump height of 3

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Mathieu Lacome, Simon Avrillon, Yannick Cholley, Ben M. Simpson, Gael Guilhem and Martin Buchheit

set of 6 repetitions of varying exercises targeting hamstrings strength (eg, hip extension, 1-leg stiff-leg deadlift, TRX™ supine single leg curl). Then, on week 1, pretraining (PRE) tests were carried out with eccentric knee-flexor strength assessed using a NordBord (Vald Performance, Brisbane

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Matheus Barbalho, Victor Silveira Coswig, James Steele, James P. Fisher, Jurgen Giessing and Paulo Gentil


To compare the effects of different resistance training volumes on muscle performance and hypertrophy in trained men.


37 volunteers performed resistance training for 24 weeks, divided into groups that performed five (G5), 10 (G10), 15 (G15) and 20 (G20) sets per muscle group per week. Ten repetition maximum (10RM) tests were performed for the bench press, lat pull down, 45º leg press, and stiff legged deadlift. Muscle thickness (MT) was measured using ultrasound at biceps brachii, triceps brachii, pectoralis major, quadriceps femoris and gluteus maximus. All measurements were performed at the beginning (pre) and after 12 (mid) and 24 weeks (post)


All groups showed significant increases in all 10RM tests and MT measures after 12 and 24 weeks when compared to pre (p <0.05). There were no significant differences in any 10RM test or changes between G5 and G10 after 12 and 24 weeks. G5 and G10 showed significantly greater increases for 10RM than G15 and G20 for most exercises at 12 and 24 weeks. There were no group by time interaction for any MT measure


The results bring evidence of an inverted “U shaped” curve for the dose response curve for muscle strength. Whilst the same trend was noted for muscle hypertrophy, the results did not reach significance. Five to 10 sets per week might be sufficient for bringing about optimal gains in muscle size and strength in trained men over a 24-week period.

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Mathieu Lacome, Simon Avrillon, Yannick Cholley, Ben Michael Simpson, Gael Guilhem and Martin Buchheit


To compare the effect of low- vs. high-volume of eccentric-biased hamstring training programs on knee-flexor strength and fascicle length changes in elite soccer players.


Nineteen elite youth soccer players took part in this study and were randomly assigned into two subgroups. For 6 weeks in-season, groups performed either a low (1 set per exercise; 10 reps in total) or a high (4 sets; 40 reps) volume eccentric training of their knee flexors. After 6 weeks (MID), players cross-overed and performed the alternate training regimen. Each training set consisted in 4 repetitions of the Nordic hamstring exercise and 6 repetitions of the bilateral stiff-leg deadlift. Eccentric knee-flexor strength (Nordbord) as well as biceps femoris long head (BFlh) and semimembranosus (SM) fascicle length (scanned with ultrasound scanner) were assessed during PRE, MID- and POST-training tests.


Knee-flexor eccentric strength very likely increased from PRE to MID (+11.3±7.8% [low-volume] and 11.4±5.3% [high-volume]), with a possibly-to-likely increase in BFlh (+4.5±5.0% and 4.8±2.5%) and SM (+4.3±4.7% and 6.3±6.3%) fascicle length in both groups. There was no substantial changes between MID and POST. Overall, there was no clear between-group difference in the changes from PRE to MID and MID to POST for neither knee-flexor eccentric strength, BFlH nor SM fascicle length.


Low-volume knee-flexor eccentric training is as effective as a greater training dose to substantially improve knee-flexor strength and fascicle length in-season in young elite soccer players. Low-volume is however likely more appropriate to be used in an elite team facing congested schedules.

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Bill I. Campbell, Danielle Aguilar, Laurin Conlin, Andres Vargas, Brad Jon Schoenfeld, Amey Corson, Chris Gai, Shiva Best, Elfego Galvan and Kaylee Couvillion

, and body fat percentage). Secondary DVs included maximal strength (back squat and deadlift) and resting metabolic rate (RMR). Participants Healthy, young, aspiring female physique athletes volunteered to participate in the study. To qualify, all participants were required to have resistance trained

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Irineu Loturco, Lucas A. Pereira, Ciro Winckler, Weverton L. Santos, Ronaldo Kobal and Michael McGuigan

result depends directly on the individual’s ability to overcome an external resistance under maximum effort conditions, in 3 different exercises: BP, squat, and deadlift. 8 Due to this specificity and the current evidence suggesting that elite athletes who systematically perform specialized training

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Samuel T. Orange, James W. Metcalfe, Ashley Robinson, Mark J. Applegarth and Andreas Liefeith

feedback. 18 Following back squats, participants then completed the same 4 supplementary exercises (Nordic lower/Romanian deadlift, upper-body push, upper-body pull, antiextension) using a body weight or repetitions in reserve approach to adjust load (Table  1 ). Figure 1 Weekly in-season training