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Flywheel strength training

Alberto Mendez-Villanueva, Luis Suarez-Arrones, Gil Rodas, Rodrigo Fernandez-Gonzalo, Per Tesch, Richard Linnehan, Richard Kreider, Valter Di Salvo
The present study examined site-specific hamstring muscles use with functional magnetic resonance imaging (MRI) in elite soccer players during strength training. Thirty-six players were randomized into four groups, each performing either Nordic hamstring, flywheel leg-curl, Russian belt or the hip-extension conic-pulley exercise. The transverse relaxation time (T2) shift from pre- to post-MRI were calculated for the biceps femoris long (BFl) and short (BFs) heads, semitendinosus (ST) and semimembranosus (SM) muscles at proximal, middle and distal areas of the muscle length...
2016: PloS One
Mariusz Naczk, Alicja Naczk, Wioletta Brzenczek-Owczarzak, Jarosław Arlet, Zdzisław Adach
Naczk, M, Naczk, A, Brzenczek-Owczarzak, W, Arlet, J, and Adach, Z. Impact of inertial training on strength and power performance in young active men. J Strength Cond Res 30(8): 2107-2113, 2016-This study evaluated how 5 weeks of inertial training using 2 different loads influenced strength and power performance. Fifty-eight male physical education students were randomly divided into training and control groups. The 2 training groups (T0 and T10) performed inertial training 3 times per week for 5 weeks using the new Inertial Training and Measurement System (ITMS)...
August 2016: Journal of Strength and Conditioning Research
Tomasz Owerkowicz, Joshua A Cotter, Fadia Haddad, Alvin M Yu, Marinelle L Camilon, Theresa N Hoang, Daniel J Jimenez, Arthur Kreitenberg, Per A Tesch, Vincent J Caiozzo, Gregory R Adams
BACKGROUND: Although several exercise systems have been developed to mitigate the physiological deconditioning that occurs in microgravity, few have the capacity to positively impact multiple physiological systems and still meet the volume/mass requirements needed for missions beyond low Earth orbit. The purpose of this study was to test the gravity-independent Multi-Mode Exercise Device (M-MED) for both resistance (RE) and aerobic (AE) training stimuli. METHODS: Eight men and nine women (mean age 22...
February 2016: Aerospace Medicine and Human Performance
Moisés de Hoyo, Borja Sañudo, Luis Carrasco, Sergio Domínguez-Cobo, Jesús Mateo-Cortes, María Monserrat Cadenas-Sánchez, Sophia Nimphius
This study aimed to analyze the effects of power training using traditional vertical resistance exercises versus direction specific horizontal inertial flywheel training on performance in common sport-related tasks. Twenty-three healthy and physically active males (age: 22.29 ± 2.45 years) volunteered to participate in this study. Participants were allocated into either the traditional training (TT) group where the half squat exercise on a smith machine was applied or the horizontal flywheel training (HFT) group performing the front step exercise with an inertial flywheel...
September 29, 2015: Journal of Human Kinetics
Christian Raeder, Thimo Wiewelhove, Marc P Westphal-Martinez, Jaime Fernandez-Fernandez, Rauno A de Paula Simola, Michael Kellmann, Tim Meyer, Mark Pfeiffer, Alexander Ferrauti
This aimed to analyze neuromuscular, physiological and perceptual responses to a single bout of 5 different dynamic squat exercise protocols. In a randomized and counterbalanced order, 15 male resistance-trained athletes (mean ± SD; age: 23.1 ± 1.9 years, body mass: 77.4 ± 8.0 kg) completed traditional multiple sets (MS: 4 × 6, 85% 1 repetition maximum [RM]), drop sets (DS: 1 × 6, 85% 1RM + 3 drop sets), eccentric overload (EO: 4 × 6, 70% 1RM concentric, 100% 1RM eccentric), flywheel YoYo squat (FW: 4 × 6, all-out), and a plyometric jump protocol (PJ: 4 × 15, all-out)...
April 2016: Journal of Strength and Conditioning Research
Fernando Sanz-López, Antonio Martínez-Amat, Fidel Hita-Contreras, Carlos Valero-Campo, César Berzosa
The aim of this study was to analyze the changes in patellar and Achilles tendons between a group trained using eccentric overload and an untrained group within 3 days of a running session. To this end, infrared thermography (IRT) will be used. Twenty healthy male subjects were divided into 2 groups. One group performed a 6-week squat training in the flywheel before the running session. During the running intervention, both groups ran in 3 different days, for 1 hour each, at 80% maximal heart rate. Before, just after, and after 10 minutes of the running intervention, participants were assessed using IRT...
February 2016: Journal of Strength and Conditioning Research
Paolo Bruseghini, Elisa Calabria, Enrico Tam, Chiara Milanese, Eugenio Oliboni, Andrea Pezzato, Silvia Pogliaghi, Gian Luca Salvagno, Federico Schena, Roberto Pozzi Mucelli, Carlo Capelli
We investigated the effect of 8 weeks of high intensity interval training (HIT) and isoinertial resistance training (IRT) on cardiovascular fitness, muscle mass-strength and risk factors of metabolic syndrome in 12 healthy older adults (68 yy ± 4). HIT consisted in 7 two-minute repetitions at 80%-90% of V˙O2max, 3 times/w. After 4 months of recovery, subjects were treated with IRT, which included 4 sets of 7 maximal, bilateral knee extensions/flexions 3 times/w on a leg-press flywheel ergometer. HIT elicited significant: i) modifications of selected anthropometrical features; ii) improvements of cardiovascular fitness and; iii) decrease of systolic pressure...
July 10, 2015: Oncotarget
Rauno Á de Paula Simola, Nico Harms, Christian Raeder, Michael Kellmann, Tim Meyer, Mark Pfeiffer, Alexander Ferrauti
The purpose of the study was to analyze tensiomyography (TMG) sensitivity to changes in muscle force and neuromuscular function of the muscle rectus femoris (RF) using TMG muscle properties after 5 different lower-limb strength training protocols (multiple sets; DS = drop sets; eccentric overload; FW = flywheel; PL = plyometrics). After baseline measurements, 14 male strength trained athletes completed 1 squat training protocol per week over a 5-week period in a randomized controlled order. Maximal voluntary isometric contraction (MVIC), TMG measurements of maximal radial displacement of the muscle belly (Dm), contraction time between 10 and 90% of Dm (Tc), and mean muscle contraction velocities from the beginning until 10% (V10) and 90% of Dm (V90) were analyzed up to 0...
May 2015: Journal of Strength and Conditioning Research
Rodrigo Fernandez-Gonzalo, Catarina Nissemark, Birgitta Åslund, Per A Tesch, Peter Sojka
BACKGROUND: Resistance exercise comprising eccentric (ECC) muscle actions enhances muscle strength and function to aid stroke patients in conducting daily tasks. The purpose of this study was to assess the efficacy of a novel ECC-overload flywheel resistance exercise paradigm to induce muscle and functional performance adaptations in chronic stroke patients. METHODS: Twelve patients (~8 years after stroke onset) performed 4 sets of 7 coupled concentric (CON) and ECC actions using the affected limb on a flywheel leg press (LP) device twice weekly for 8 weeks...
October 30, 2014: Journal of Neuroengineering and Rehabilitation
Rodrigo Fernandez-Gonzalo, Tommy R Lundberg, Lucia Alvarez-Alvarez, José A de Paz
PURPOSE: This study assessed markers of muscle damage and training adaptations to eccentric-overload flywheel resistance exercise (RE) in men and women. METHODS: Dynamic strength (1 RM), jump performance, maximal power at different percentages of 1 RM, and muscle mass in three different portions of the thigh were assessed in 16 men and 16 women before and after 6 weeks (15 sessions) of flywheel supine squat RE training. Plasma creatine kinase (CK) and lactate dehydrogenase (LDH) concentrations were measured before, 24, 48 and 72 h after the first and the last training session...
May 2014: European Journal of Applied Physiology
Mariusz Naczk, Alicja Naczk, Wioletta Brzenczek-Owczarzak, Jarosław Arlet, Zdzisław Adach
This study evaluated how five weeks of inertial training using two different loads influenced strength and power performance. Fifty-eight male physical education students were randomly divided into training and control groups. The two training groups (T0 and T10) performed inertial training three times per week for five weeks using the new Inertial Training Measurement System (ITMS). Each training session included three exercise sets involving the knee extensors muscles. The T0 group used only the mass of the ITMS flywheel (19...
November 20, 2013: Journal of Strength and Conditioning Research
Steven J Elmer, Jonas Danvind, Hans-Christer Holmberg
UNLABELLED: Several investigators have demonstrated that chronic eccentric leg cycling is an effective method for improving lower body neuromuscular function (e.g., quadriceps muscle size, strength, and mobility) in a variety of patient and athletic populations. To date, there are no reports of using eccentric arm cycling (EC(arm)) as an exercise modality, probably in large part because of the lack of commercially available EC(arm) ergometers. PURPOSE: Our purposes for conducting this study were to 1) describe the design and construction of an EC(arm) ergometer and 2) compare EC(arm) to traditional concentric arm cycling (CC(arm))...
January 2013: Medicine and Science in Sports and Exercise
H Nicastro, N E Zanchi, C R da Luz, A H Lancha
Abstract quality of life. Since there is no currently effective and safe treatment available for skeletal muscle atrophy, the search for new alternatives is necessary. Resistance exercise (RE) seems to be an important tool in the treatment of disuse-induced skeletal muscle atrophy by promoting positive functional (strength and power) and structural (hypertrophy and phenotypic changes) adaptive responses. Human and animal studies using different types of resistance exercise (flywheel, vascular occlusion, dynamic, isometric, and eccentric) have obtained results of great importance...
November 2011: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
D Romero-Rodriguez, G Gual, P A Tesch
STUDY DESIGN: Case-series study with pre- vs. post-test measurements design. BACKGROUND: Strength training programs emphasizing eccentric muscle actions have received much attention in the treatment of tendinopathies. The current study reports on the efficacy of a novel strength training paradigm using inertial eccentric-concentric resistance to treat chronic patellar tendinopathy. CASE DESCRIPTION: Ten athletes with chronic patellar tendinopathy (15 tendons) volunteered for the study...
February 2011: Physical Therapy in Sport
Lena Norrbrand, Julio Tous-Fajardo, Roberto Vargas, Per A Tesch
BACKGROUND: Resistance exercise has been proposed as an aid to counteract quadriceps muscle atrophy in astronauts during extended missions in orbit. While space authorities have advocated the squat exercise should be prescribed, no exercise system suitable for in-flight use has been validated with regard to quadriceps muscle use. We compared muscle involvement in the terrestrial "gold standard" squat using free weights and a nongravity dependent flywheel resistance exercise device designed for use in space...
January 2011: Aviation, Space, and Environmental Medicine
John F Caruso, Michael A Coday, Skyler T Taylor, Melissa L Mason, Brant M Lutz, Jessica L Ford, William J Kraemer
INTRODUCTION: Numerous variables impact resultant testosterone concentrations (TC) that foretell the efficacy of workouts. Identifying variables may aid the development of in-flight exercise prescription. METHODS: To identify variables that predict the variance in TC from flywheel ergometer exercise, 17 subjects did 3 workouts in a randomized order. Comprised of 10-repetition leg press sets, workouts entailed either: 1) 3 sets of both concentric and eccentric muscle actions (CE3), and concentric-only actions done for 2) three (CO3), or 3) six (CO6) sets...
September 2010: Aviation, Space, and Environmental Medicine
Lena Norrbrand, Marco Pozzo, Per A Tesch
Changes in muscle activation and performance were studied in healthy men in response to 5 weeks of resistance training with or without "eccentric overload". Subjects, assigned to either weight stack (grp WS; n = 8) or iso-inertial "eccentric overload" flywheel (grp FW; n = 9) knee extensor resistance training, completed 12 sessions of four sets of seven concentric-eccentric actions. Pre- and post-measurements comprised maximal voluntary contraction (MVC), rate of force development (RFD) and training mode-specific force...
November 2010: European Journal of Applied Physiology
James A Loehr, Stuart M C Lee, Kirk L English, Jean Sibonga, Scott M Smith, Barry A Spiering, R Donald Hagan
UNLABELLED: Resistance exercise has been used as a means to prevent the musculoskeletal losses associated with spaceflight. Therefore, the National Aeronautics and Space Administration designed the Advanced Resistive Exercise Device (ARED) to replace the initial device flown on the International Space Station. The ARED uses vacuum cylinders and inertial flywheels to simulate, in the absence of gravity, the constant mass and inertia, respectively, of free weight (FW) exercise. PURPOSE: To compare the musculoskeletal effects of resistance exercise training using the ARED with the effects of training with FW...
January 2011: Medicine and Science in Sports and Exercise
John F Caruso, Michael A Coday, Julie K Monda, Elizabeth S Ramey, Lori P Hastings, Jakob L Vingren, William T Potter, William J Kraemer, Eric E Wickel
The purpose of the study was to compare blood lactate and hormonal responses with flywheel ergometer (FERG) leg presses for preliminary assessment of workouts best suited for future in-flight resistance exercise. Comprised of 10 repetition sets, the workouts entailed 3 sets of concentric and eccentric (CE3) actions, or concentric-only actions done for 3 (CO3) or 6 (CO6) sets. Methods employed included assessment of blood lactate concentrations ([BLa-]) before and 5 minutes postexercise. Venous blood was also collected before and at 1 and 30 minutes postexercise to assess growth hormone, testosterone, cortisol concentrations ([GH], [T], [C]) and [T/C] ratios...
March 2010: Journal of Strength and Conditioning Research
Gladys L Onambélé, Constantinos N Maganaris, Omar S Mian, Enrico Tam, Enrico Rejc, Islay M McEwan, Marco V Narici
AIM: Loss of muscle strength and balance are main characteristics of physical frailty in old age. Postural sway is associated with muscle contractile capacity and to the ability of rapidly correcting ankle joint changes. Thus, resistance training would be expected to improve not only strength but also postural balance. METHODS: In this study, age-matched older individuals (69.9+/-1.3 years) were randomly assigned to flywheel (n=12), or weight-lifting (n=12) groups, training the knee extensors thrice weekly for 12 weeks...
November 14, 2008: Journal of Biomechanics
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