Results 21 to 30 of about 1,455,426 (270)
Upper-Body Muscular Endurance Training Improves Performance Following 50 min of Double Poling in Well-Trained Cross-Country Skiers [PDF]
Frontiers in Physiology, 2017 This study investigated the effect of muscular endurance training on O2-cost and performance in double poling (DP) on a rollerski treadmill. Twenty-two well-trained cross-country skiers (31 ± 4 years, 77 ± 9 kg, 181 ± 8 cm, VO2max running: 64 ± 5 mL·kg−1·
Jørgen Børve +3 more
doaj +2 more sources
Reliability and criterion validity of the concept 2 SkiErg™ to assess 1,000-m on-snow, time trial performance—a case study [PDF]
Frontiers in Sports and Active LivingObjectivesThis study investigated the reliability and criterion validity of the Concept 2 SkiErg™ to assess 1,000-m on-snow, time trial performance using the classical double poling technique.MethodsTen athletes (5 males and females) from a National ...
Brendan J. O'Brien +4 more
doaj +2 more sources
Applied SciencesA total of nineteen elite youth cross-country skiers (16 ± 2 years) were divided into three groups: a low-load group (LL, n = 6) performing 15–20 repetitions per exercise, a high-load group (HL, n = 9) executing 6–12 repetitions, and a control group (CON,
Carl-Maximilian Wagner +5 more
doaj +3 more sources
Effects of speed and incline on double-poling biomechanics
Sports EngineeringThis study investigated the independent and combined effects of incline and speed on the kinetics and cycle characteristics of double poling. Seventeen trained male cross-country skiers completed a maximum speed, a maximum incline, and a constant-power ...
Albin Hallander +17 more
core +2 more sources
Double Shadows at the Lunar Poles
The Planetary Science Journal, 2022 Abstract Topographic depressions within permanently shadowed regions (PSRs) on low-obliquity planetary bodies can be shielded not only from direct illumination, but also from scattered sunlight and thermal emission from nearby sunlit surfaces.
Patrick O’Brien, Shane Byrne
openaire +2 more sources
Effect of resistance on performance in double poling
, 2014 The purpose of this study was to investigate what effect resistance would have on performance in double poling, with focus on power output, physiological responses and myoelectric activation.
Sagen, Gard Olve
core +2 more sources
Effects of upper-body sprint-interval training on strength and endurance capacities in female cross-country skiers. [PDF]
PLoS ONE, 2017 This study compared the effects of adding upper-body sprint-intervals or continuous double poling endurance training to the normal training on maximal upper-body strength and endurance capacity in female cross-country skiers.
Kristine Vandbakk +6 more
doaj +1 more source
Seeing double at Neptune’s south pole [PDF]
Icarus, 2010 10 pages, 7 figures; accepted to ...
Luszcz-Cook, S. H. +3 more
openaire +2 more sources
The Influence of Pole Length on Performance, O2 Cost, and Kinematics in Double Poling [PDF]
International Journal of Sports Physiology and Performance, 2017 Purpose:In the double-poling (DP) cross-country-skiing technique, propulsive forces are transferred solely through the poles. The aim of the current study was to investigate how pole length influences DP performance, O2 cost, and kinematics during treadmill roller skiing.Methods:Nine male competitive cross-country skiers (24 ± 3 y, 180 ± 5 cm, 72 ± 5 ...
Losnegard, Thomas +5 more
openaire +4 more sources
Phase transition and piezoelectric property of (Ag,K)NbO3 ceramics
Journal of Materiomics, 2022 AgNbO3 is an antiferroelectric (AFE) material with double hysteresis loop. Both the antiferroelectricity and ferroelectricity can be enhanced by doping.
Lin Chen +5 more
doaj +1 more source