This document summarizes and reviews two articles about training methods in badminton. The first article examines the relationship between physical characteristics and performance level in male badminton players. It found that arm strength, leg strength, agility, flexibility, and spine/wrist flexibility were important factors. The second article analyzed characteristics of competitive badminton players through measuring blood lactate concentration, heart rate, playing time and video analysis. It concluded that badminton requires fast movements and a high aerobic capacity to sustain intense intervals of play over 30 minutes. Both articles highlight the importance of addressing physical fitness, technical skills and the cardiovascular system for badminton training and performance.