Browsing USN Open Archive by Author "Helgerud, Jan"
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Arm crank and wheelchair ergometry produce similar peak oxygen uptake but different work economy values in individuals with spinal cord injury
Tørhaug, Tom; Brurok, Berit; Hoff, Jan; Helgerud, Jan; Leivseth, Gunnar (Peer reviewed; Journal article, 2016)Objective. To study whether values for peak oxygen uptake (VO2peak) and work economy (WE) at a standardized workload are different when tested by arm crank ergometry (ACE) and wheelchair ergometry (WCE). Methods. Twelve ... -
Effect of lower extremity functional electrical stimulation pulsed isometric contractions on arm cycling peak oxygen uptake in spinal cord injured individuals
Brurok, Berit; Tørhaug, Tom; Karlsen, Trine; Leivseth, Gunnar; Helgerud, Jan; Hoff, Jan (Journal article; Peer reviewed, 2013)Objective: To compare peak oxygen uptake (VO2peak) between: (i) functional electrical stimulation lower extremity pulsed isometric muscle contractions combined with arm cycling (FES iso hybrid), (ii) functional electrical ... -
Stronger Is Better: The Impact of Upper Body Strength in Double Poling Performance
Sunde, Arnstein; Johansen, Jan-Michael; Gjøra, Martin; Paulsen, Gøran; Bråten, Morten; Helgerud, Jan; Støren, Øyvind (Journal article; Peer reviewed, 2019)The purpose of the present study was to compare time results from a roller-skiing double poling (DP) time trial with different physiological variables, muscular strength variables, and DP characteristics in both male and ... -
Therapeutic effects of maximal strength training on walking efficiency in patients with schizophrenia - a pilot study
Heggelund, Jørn; Morken, Gunnar; Helgerud, Jan; Nilsberg, Geir Erling; Hoff, Jan (Journal article; Peer reviewed, 2012)Background: Patients with schizophrenia frequently have disabling gait deficits. The net mechanical efficiency of walking (Enet) is an accurate measure often used to evaluate walking performance. Patients with gait deficits ...