H. Kyröläinen

Publications269
h-index46
Citations7,535
Highly Influential Citations630
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Altered reflex sensitivity after repeated and prolonged passive muscle stretching.
Experiments were carried out to test the effect of prolonged and repeated passive stretching (RPS) of the triceps surae muscle on reflex sensitivity. The results demonstrated a clear deterioration of… Expand
Knee and ankle joint stiffness in sprint running.
INTRODUCTION Stiffness has often been considered as a regulated property of the neuromuscular system. The purpose of this study was to examine the ankle and knee joint stiffness regulation during… Expand
Effects of marathon running on running economy and kinematics
Abstract The present study was designed to investigate interactions between running economy and mechanics before, during, and after an individually run marathon. Seven experienced triathletes… Expand
Biomechanical factors affecting running economy.
PURPOSE The present study was designed to investigate kinematics, kinetics, and muscle activity for explaining running economy at different running speeds. METHODS A total of 17 young endurance… Expand
A simple method for measuring stiffness during running.
The spring-mass model, representing a runner as a point mass supported by a single linear leg spring, has been a widely used concept in studies on running and bouncing mechanics. However, the… Expand
Reduced reflex sensitivity persists several days after long-lasting stretch-shortening cycle exercise.
The mechanisms related to the acute and delayed secondary impairment of the stretch reflex function were investigated after long-lasting stretch-shortening cycle exercise. The results demonstrated a… Expand
Interaction between pre-landing activities and stiffness regulation of the knee joint musculoskeletal system in the drop jump: implications to performance
Abstract. The purpose of the present study was to investigate the interaction between the pre-landing activities and the stiffness regulation of the knee joint musculoskeletal system and the takeoff… Expand
International Physical Activity Questionnaire: Validity against fitness.
PURPOSE This study was conducted to criterion-validate the short format of International Physical Activity Questionnaire (IPAQ) against health-related fitness. METHODS Participants included 951… Expand
Changes in muscle activity with increasing running speed
Electromyographic (EMG) activity of the leg muscles and the ground reaction forces were recorded in 17 elite male middle-distance runners, who performed isometric maximal voluntary contractions (MVC)… Expand
Effects of muscle – tendon length on joint moment and power during sprint starts
Abstract The aim of this study was to examine the effects of muscle – tendon length on joint moment and power during maximal sprint starts. Nine male sprinters performed maximal sprint starts from… Expand
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