Claudia Knöpfli-Lenzin

Respiratory muscle training increases cycling endurance without affecting cardiovascular responses to exercise

Gawril Markov, Christina M. Spengler, Claudia Knöpfli-Lenzin et al. · European Journal of Applied Physiology · 2001 · 140 citations

Physical Activity, Kinesiology, Fitness +12

Respiratory muscle endurance training in humans increases cycling endurance without affecting blood gas concentrations

Christoph Stuessi, Christina M. Spengler, Claudia Knöpfli-Lenzin et al. · European Journal of Applied Physiology · 2001 · 89 citations

Physical Activity, Kinesiology, Blood Gas Concentrations +14

Time to exhaustion at maximal lactate steady state is similar for cycling and running in moderately trained subjects

Piero Fontana, Urs Boutellier, Claudia Knöpfli-Lenzin · European Journal of Applied Physiology · 2009 · 44 citations

Physical Activity, Kinesiology, Physical Fitness +10

Breathing pattern and exercise endurance time after exhausting cycling or breathing

Christina M. Spengler, Claudia Knöpfli-Lenzin, Katharina Birchler et al. · European Journal of Applied Physiology · 2000 · 26 citations

Exercise Endurance Time, Physical Activity, Kinesiology +11