Anderson, Kenneth Trunk muscle activity increases with unstable squat movements. [electronic resource] - Canadian journal of applied physiology = Revue canadienne de physiologie appliquee Feb 2005 - 33-45 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1066-7814 Standard No.: 10.1139/h05-103 doi Subjects--Topical Terms: Abdominal Muscles--physiologyAdaptation, Physiological--physiologyAdultElectromyographyHumansLegLumbar VertebraeMaleMuscle Contraction--physiologyMuscle, Skeletal--physiologyPostural Balance--physiologyPosture--physiologySacrumThighWeight Lifting--physiology