A Study of Differences in Muscle Activation Patterns between Sit-to-Stand and Stand-to-Sit of Participants with and without the Support of the Sit-to-Stand Trainer

Using Pearson’s correlation coefficient, the MAPs of Rectus Femoris (RF), Vastus Medialis (VM), Vastus Lateralis (VL), Tibialis Anterior (TA), Gastrocnemius Medialis (GM) between Sit-to-Stand with and without  support of STST, revealed a high correlation (r=0.849, 0.965, 0.916, 0.977, 0.935) and between Stand-to-Sit with and without support of STST, revealed a high correlation (r=0.989, 0.991, 0.996, 0.981, 0.984), with all statistical significance (p=0.000).

Using Paired t-test, the average of MAPs of  RF, VM, TA during Sit-to-Stand with support of STST were found to be lower than without support of STST, with statistical significance (p=0.000, p=0.003, p=0.013). During Stand-to-Sit with support of STST found RF, TA were lower than without support of STST, statistical significance (p=0.035, p=0.001). The maximum level of the MAPs during Sit-to-Stand with support of STST found RF, VM, VL, TA were lower than without support of STST, with all statistical significance (p<0.001).