Effects of interrupting sitting with use of a treadmill desk versus prolonged sitting on postural stability
AuthorsCharalambous, Laura H.
Champion, Rachael B.
Smith, Lindsey Rachel
Mitchell, Andrew C.S.
Bailey, Daniel Paul
AffiliationUniversity of Bedfordshire
MetadataShow full item record
AbstractHigh amounts of sitting increase the risk of non-communicable disease and mortality. Treadmill desks make it possible to reduce sitting during the desk-based worker's day. This study investigated the acute effect on postural stability of interrupting prolonged sitting with an accumulated 2-h of light-intensity treadmill desk walking. Twenty-one sedentary adults participated in this randomized acute crossover trial, with two 6.5 h conditions: 1) uninterrupted sitting and 2) interrupted sitting with accumulated 2 h light-intensity treadmill desk walking. Pre- and post-condition, participants performed four postural stability tests on a pressure plate (bipedal and unipedal standing stance, eyes open and eyes closed). Anteroposterior center of pressure amplitude showed a significant condition x time interaction in bipedal eyes closed (F(1,20)=4.62, p=0.046) and unipedal eyes open (F(1,20)=9.42, p=0.006) tests, and mediolateral center of pressure amplitude in bipedal eyes closed (F(1,20)=6.12, p=0.023) and bipedal eyes open (F(1,12)=5.55, p=0.029) tests. In the significant interactions, amplitude increased pre to post condition in the uninterrupted sitting condition. The accumulated 2 h light-intensity treadmill desk walking ameliorated the negative effect of 6.5 h prolonged sitting on postural sway, supporting workplace treadmill desk use.
CitationCharalambous LH, Champion RB, Smith LR, Mitchell ACS, Bailey DP (2019) 'Effects of interrupting sitting with use of a treadmill desk versus prolonged sitting on postural stability', International Journal of Sports Medicine, 40 (13), pp.871-875.
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