نتایج جستجو برای: rowing and water skiing

تعداد نتایج: 16930536  

Journal: :Computer methods in biomechanics and biomedical engineering 2013
L Joakim Holmberg Marie Lund Ohlsson Matej Supej Hans-Christer Holmberg

This study is on how leg utilisation may affect skiing efficiency and performance in double-poling ergometry. Three experiments were conducted, each with a different style of the double-poling technique: traditional with small knee range-of-motion and fixed heels (TRAD); modern with large knee range-of-motion and fixed heels (MOD1) and modern with large knee range-of-motion and free heels (MOD2...

Journal: :Journal of sports science & medicine 2007
Alison H McGregor Zeenat S Patankar Anthony M J Bull

Earlier studies have investigated the biomechanics of rowing during step testing with a focus on lumbo-pelvic kinematics and force output and noted that these parameters change with work intensity. The aim of this study was to investigate how the biomechanics of the rowing stroke changes over time as a result of coaching and training and to see if these change were related to a change in physio...

2003
Kazunori Hase Suzanne E. Halliday Amy B. Zavatsky

Rowing is a whole-body exercise that requires co-ordination of the motions of the upper and lower extremities and trunk. Indoor ergometer rowing has long been used by competitive rowers as a training method, but it has also been widely adopted by non-rowers as an exercise for general fitness. A knowledge of the loads in the muscles and joints of the body during ergometer rowing is important not...

2015
Laura S. Cuijpers Frank T. J. M. Zaal Harjo J. de Poel Jeffrey M Haddad

In rowing, perfect synchronisation is important for optimal performance of a crew. Remarkably, a recent study on ergometers demonstrated that antiphase crew coordination might be mechanically more efficient by reducing the power lost to within-cycle velocity fluctuations of the boat. However, coupled oscillator dynamics predict the stability of the coordination to decrease with increasing strok...

Journal: :The Lancet 1911

Journal: :Bio-medical materials and engineering 2014
Seung Rok Kang Chang Ho Yu Kap Soo Han Tae Kyu Kwon

The purpose of this study was to evaluate muscle function and basal physical fitness in relation to muscle balance pattern using rowing machines. Twenty four subjects participated in this study, using three different rowing machines. Rowing exercises were performed for twenty-five times a set, four sets a day, 3 days a week, for 8 weeks. Biodex system 3(Biodex Medical Systems Co., New York, USA...

Journal: :British Journal of Sports Medicine 1997

Journal: :Physiological research 2015
P Horn P Ostadal B Ostadal

Exercise stimulates increases in heart rate (HR), stroke volume (SV) and cardiac output (CO). These adaptive mechanisms are strongly dependent on the type of exercise. Both rowing and cycling are widely used for physical training worldwide; however, evidence regarding the differences in major hemodynamic parameters during rowing and cycling remains insufficient. Ten healthy male volunteers were...

Journal: :Integrative and comparative biology 2002
Jeffrey A Walker

Why do some animals swim by rowing appendages back and forth while others fly by flapping them up and down? One hypothesis suggests the answer lies in the sharply divergent physical environments encountered by small, slow animals, and large, fast animals. Flapping appendages allow large animals to move through a fluid environment quickly and efficiently. As size and speed decrease, however, vis...

2017
Blaz Lesnik Damir Sekulic Matej Supej Michael R Esco Milan Zvan

Balance is hypothesized to be important in alpine skiing, while it is known that balance depends on anthropometric indices. The aim of this investigation was to explore the association between balance, anthropometrics and skiing-results over two competitive seasons among youth alpine-skiers. Eighty-one skiers (40 females) participated in this study. The participants were tested twice over two c...

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