title: A STUDY OF THE EFFECT OF PROGRESSIVE WEIGHT TRAINING ON FLEXIBILITY.
mesh_terms: D000293:Adolescent; D000886:Anthropometry; D001835:Body Weight; D002140:California; D006801:Humans; D007596:Joints; D009132:Muscles; D010806:Physical Education and Training; D010809:Physical Fitness; D014891:Weight Lifting
keywords: ADOLESCENCE; ANTHROPOMETRY; BODY WEIGHT; CALIFORNIA; JOINTS; MUSCLES; PHYSICAL EDUCATION AND TRAINING; PHYSICAL FITNESS