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Representative results of the alternate and normal plus pushup sitting protocols. Data are from 1 subject in the paraplegic group. (A) Average pressure (AP) and TCA on the posterior portion of the seat cushion during a trial of the alternate protocol. (B) Average pressure and TCA on the posterior portion of the seat cushion during a trial of the normal plus pushup protocol. NOTE. The horizontal lines indicate the average value over the entire 1-hour sitting trial.
