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Samantha Greenwald, Edward Seger, David Nichols, Andrew D Ray, Todd C Rideout, Luc E Gosselin
Impaired glucose tolerance can have significant health consequences. The purposes of this preliminary study were to examine whether a single session of kettlebell exercise improves acute post-exercise glucose tolerance in sedentary individuals, and whether it was as effective as high-intensity interval running. Six sedentary male subjects underwent a two-hour oral glucose tolerance test following three different conditions: 1) control (no exercise); 2) kettlebell exercise (2 sets of 7 exercises, 15 repetitions per exercise with 30 seconds rest between each exercise); or 3) high-intensity interval running (10 one-minute intervals at a workload corresponding to 90% VO2max interspersed with one-minute active recovery periods)...
2016: International Journal of Exercise Science
Michael E Holmstrup, Brock T Jensen, William S Evans, Emily C Marshall
The kettlebell swing (KBS), emphasizing cyclical, explosive hip extension in the horizontal plane, aligns with movement- and velocity-specificity of sprinting. The present study examined the effect of an eight-week KBS intervention on sprinting in recreationally-active females, in comparison to an eight-week intervention using the stiff-legged deadlift (SDL). Following a pre-testing session measuring 30 meter sprint and countermovement vertical jump performance, participants were divided evenly by sprint time into KBS (n=8) and SDL (n=10) cohorts...
2016: International Journal of Exercise Science
Claire Gross, Maria E Reese
No abstract text is available yet for this article.
September 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
Joseph T Warning, Karin A Pfeiffer, Allie Diltz, James M Pivarnik
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
Maggie M Selzer, Garrett S Bullock, Abigail C Schmitt, Jason M Shutt, Gray Cook, Robert J Butler
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
Jason M Shutt, Garrett S Bullock, Maggie M Selzer, Abigail C Schmitt, Gray Cook, Robert J Butler
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
Leonard H Van Gelder, Barbara J Hoogenboom, Bryan Alonzo, Dayna Briggs, Brian Hatzel
INTRODUCTION: Kettlebell (KB) swing exercises have been proposed as a possible method to improve hip and spinal motor control as well as improve power, strength, and endurance. PURPOSE: To describe electromyographic (EMG) and sagittal plane kinematics during two KB exercises: the two-handed KB swing (THKS) and the single-handed KB swing (SHKS). In addition, the authors sought to investigate whether or not hip flexor length related to the muscular activity or the kinematics of the exercise...
November 2015: International Journal of Sports Physical Therapy
Dustin D Dunnick, Lee E Brown, Jared W Coburn, Scott K Lynn, Saldiam R Barillas
The bench press is one of the most commonly used upper-body exercises in training and is performed with many different variations, including unstable loads (ULs). Although there is much research on use of an unstable surface, there is little to none on the use of an UL. The purpose of this study was to investigate muscle activation during the bench press while using a stable load (SL) vs. UL. Twenty resistance-trained men (age = 24.1 ± 2 years; ht = 177.5 ± 5.8 cm; mass = 88.7 ± 13.7 kg) completed 2 experimental conditions (SL and UL) at 2 different intensities (60 and 80% one repetition maximum)...
December 2015: Journal of Strength and Conditioning Research
Vidar Andersen, Marius S Fimland, Aril Gunnarskog, Georg-Andrè Jungård, Roy-Andrè Slåttland, Øyvind F Vraalsen, Atle H Saeterbakken
The aim of the study was to compare the electromyographic activity of rectus abdominis, oblique external, and lower and upper erector spinae at both sides of the truncus in 1-armed and 2-armed kettlebell swing. Sixteen healthy men performed 10 repetitions of both exercises using a 16-kg kettlebell in randomized order. For the upper erector spinae, the activation of the contralateral side during 1-armed swing was 24% greater than that of the ipsilateral side during 1-armed swing (p < 0.001) and 11% greater during 2-armed swing (p = 0...
May 2016: Journal of Strength and Conditioning Research
Luke Edinborough, James P Fisher, James Steele
The aim of this study was to use a fatigue response test to measure the muscular fatigue (defined as a reduction in torque production) sustained by the lumbar extensors after a single set of kettlebell swings (KBS) in comparison with isolated lumbar extensions (ILEX) and a control condition (CON). The purpose of which is to measure the physiological response of KBS against an already established modality. Subsequent data provide insight of the efficacy of kettlebells swings in strengthening the lumbar muscles and lower back pain treatment...
May 2016: Journal of Strength and Conditioning Research
Brian M Williams, Robert R Kraemer
The purpose of this study was to determine the effectiveness of a novel exercise protocol we developed for kettlebell high-intensity interval training (KB-HIIT) by comparing the cardiorespiratory and metabolic responses to a standard sprint interval cycling (SIC) exercise protocol. Eight men volunteered for the study and completed 2 preliminary sessions, followed by two 12-minute sessions of KB-HIIT and SIC in a counterbalanced fashion. In the KB-HITT session, 3 circuits of 4 exercises were performed using a Tabata regimen...
December 2015: Journal of Strength and Conditioning Research
Helena Larsson, Matthias Tegern, Andreas Monnier, Jörgen Skoglund, Charlotte Helander, Emelie Persson, Christer Malm, Lisbet Broman, Ulrika Aasa
The objective of this study was to examine the content validity of commonly used muscle performance tests in military personnel and to investigate the reliability of a proposed test battery. For the content validity investigation, thirty selected tests were those described in the literature and/or commonly used in the Nordic and North Atlantic Treaty Organization (NATO) countries. Nine selected experts rated, on a four-point Likert scale, the relevance of these tests in relation to five different work tasks: lifting, carrying equipment on the body or in the hands, climbing, and digging...
2015: PloS One
Tanja Savukoski, Laura Mehtälä, Bertil Lindahl, Per Venge, Kim Pettersson
BACKGROUND: Whereas elevated cardiac troponin (cTn) concentrations i.e. above the 99th percentile of healthy reference population (recommended cutoff for the diagnosis of myocardial infarction) are well-documented in healthy individuals after prolonged and/or intensive exercises such as marathons, data on less-strenuous sports are scarce. Therefore, our aim was to investigate cTnI and cTnT release in response to recreational resistance training, here a single-bout of 1-h kettlebell workout...
August 2015: Clinical Biochemistry
J Asher Falatic, Peggy A Plato, Christopher Holder, Daryl Finch, Kyungmo Han, Craig J Cisar
This study examined the effects of a kettlebell training program on aerobic capacity. Seventeen female National Collegiate Athletic Association Division I collegiate soccer players (age: 19.7 ± 1.0 years, height: 166.1 ± 6.4 cm, weight: 64.2 ± 8.2 kg) completed a graded exercise test to determine maximal oxygen consumption (V̇O2max). Participants were assigned to a kettlebell intervention group (KB) (n = 9) or a circuit weight-training (CWT) control group (n = 8). Participants in the KB group completed a kettlebell snatch test to determine individual snatch repetitions...
July 2015: Journal of Strength and Conditioning Research
V F Tikhonov, T V Agafonkina
The aim of the research is to determine the breathing pattern characteristics of kettlebell athletes. The main indicators were identified: breathing frequency (f), tidal volume (VT), minute ventilation (VE). We also searched for the dependence of these parameters using the weight of kettlebells and skill of the athletes.We used the spirograph SMP-21/01-"R-D" for qualitative and quantitative evaluation of the miain indicators of kettlebell athletes breathing patterns. Athletes who achieved Masters of Sports (MS) and candidate masters of sport (CMS), their changes in breathing during exercise occurs mainly on two parameters--the frequeincy of breathing and tidal yolume...
May 2014: Fiziologiia Cheloveka
Jordan J Outlaw, Colin D Wilborn, Abbie E Smith-Ryan, Sara E Hayward, Stacie L Urbina, Lem W Taylor, Cliffa A Foster
PURPOSE: The purpose was to assess effects of a pre- and a post-workout protein-carbohydrate supplement on CrossFit-specific performance and body composition. METHODS: In an open label randomized study, 13 male and 16 female trained Crossfit participants (mean ± SD; age: 31.87 ± 7.61 yrs, weight: 78.68 ± 16.45 kg, percent body fat: 21.97 ± 9.02) were assessed at 0 and 6 weeks for body composition, VO2max, Wingate peak (WPP) and mean power (WMP), in addition to sport-specific workouts (WOD1: 500 m row, 40 wall balls, 30 push-ups, 20 box jumps, 10 thrusters for time; WOD2: 15 minutes to complete an 800 m run "buy in", followed by as many rounds as possible (AMRAP) of 5 burpees, 10 Kettlebell swings, 15 air squats)...
2014: SpringerPlus
Jason P Lake, Brandon S Hetzler, Mike A Lauder
The aim of this study was to compare mechanical output from kettlebell snatch and 2-handed kettlebell swing exercise. Twenty-two men performed 3 sets of 8 kettlebell snatch and 2-handed swing exercise with a 24-kg kettlebell on a force platform. Vertical and horizontal net impulse, mean force, displacement, the magnitude, and rate of work performed displacing the kettlebell-and-lifter center of mass (CM), phase durations and impulse ratio (horizontal to resultant) were calculated from force data. The results of repeated-measures analysis of variance showed that: (a) vertical CM displacement was significantly larger during kettlebell snatch exercise (22 ± 4 vs...
November 2014: Journal of Strength and Conditioning Research
Ronald G Budnar, Anthony A Duplanty, David W Hill, Brian K McFarlin, Jakob L Vingren
The purpose of this investigation was to examine the acute hormonal response to the kettlebell swing exercise. Ten recreationally resistance trained men (age, 24 ± 4 years; height, 175 ± 6 cm; body mass, 78.7 ± 9.9 kg) performed 12 rounds of 30 seconds of 16 kg kettlebell swings alternated with 30 seconds of rest. Blood samples were collected before (PRE), immediately after (IP), and 15 (P15) and 30 minutes after exercise (P30) and analyzed for testosterone (T), immunoreactive growth hormone, cortisol (C), and lactate concentrations...
October 2014: Journal of Strength and Conditioning Research
Markus D Jakobsen, Emil Sundstrup, Mikkel Brandt, Anne Zoëga Kristensen, Kenneth Jay, Reinhard Stelter, Ebbe Lavendt, Per Aagaard, Lars L Andersen
BACKGROUND: The prevalence and consequences of musculoskeletal pain is considerable among healthcare workers, allegedly due to high physical work demands of healthcare work. Previous investigations have shown promising results of physical exercise for relieving pain among different occupational groups, but the question remains whether such physical exercise should be performed at the workplace or conducted as home-based exercise. Performing physical exercise at the workplace together with colleagues may be more motivating for some employees and thus increase adherence...
2014: BMC Musculoskeletal Disorders
Lars L Andersen
Lars L Andersen, MSc PhD, is Professor of Musculoskeletal Disorders at National Research Centre for the Working Environment in Copenhagen (Denmark). With a background in exercise physiology, he has a special interest in the effect of strength training on health, performance and disease. Currently, he performs epidemiological and interventional research primarily in the field of musculoskeletal disorders, but also in psychosocial work environment, behavioral psychology, stroke, early aging, physical activity and workplace health promotion...
July 2013: Pain Management
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