poids (1) formation (1) temps (durée) (1) température (1) stress (1) vitesse (1) analyse (1) environnement (1) effet (1) index (1) altitude (1) Variation (1) Training (1) Weight training (1) Time (1) Temperature (1) Technology (1) Sports (1) Speed (1) Soccer players (1) Running (1) Respect (1) Race (1) Physical fitness (1) Performance (1) Nature and nurture (1) Measurement (1) Marathon running (1) Impact (1) Heart beat (1)