Abaraogu, U O Effect of variable backpack load and strap option on the pulmonary function of children: A simulation using treadmill walking. [electronic resource] - Work (Reading, Mass.) Nov 2016 - 525-530 p. digital Publication Type: Journal Article; Randomized Controlled Trial ISSN: 1875-9270 Standard No.: 10.3233/WOR-162418 doi Subjects--Topical Terms: AdolescentChildCross-Over StudiesEquipment DesignFemaleForced Expiratory VolumeHumansMaleMaximal Expiratory Flow RateMaximal Midexpiratory Flow RatePeak Expiratory Flow RateVital CapacityWalk TestWalking--physiologyWeight-Bearing--physiology