Kellis, Eleftherios Quantification of functional knee flexor to extensor moment ratio using isokinetics and electromyography. [electronic resource] - Journal of athletic training - 477-85 p. digital Publication Type: Journal Article ISSN: 1938-162X Subjects--Topical Terms: AdolescentAnalysis of VarianceCross-Sectional StudiesElectromyographyHumansIsometric Contraction--physiologyKnee Joint--physiologyMaleMuscle Contraction--physiologyMuscle Strength--physiologyMuscle, Skeletal--physiologyPostural Balance--physiology