Journal of The Korean Society of Physical Medicine

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Table. 3.

Table. 3.

Comparison of the Major Muscle Activity in the Indoor and Outdoor Environments of the Two Groups (Mean±SD)

Division Indoor Outdoor P
Muscle activity / % R V C Tibialis anterior Stance phase Forties 65.72±22.94 79.10±26.32 .16
Elderly 74.07±22.38 72.23±20.65 .74
P .42 .52

Swing Phase Forties 82.41±14.03 83.39±27.35 .91
Elderly 71.04±20.95 69.03±17.68 .70
P .17 .18

Gastrocnemius (medial) Stance phase Forties 91.08±6.96 113.82±36.50 .06
Elderly 83.90±9.35 80.62±15.90 .60
P .06 .01*

Swing phase Forties 15.40±13.61 45.99±86.98 .24
Elderly 23.56±22.93 7.62±7.97 .08
P .34 .34

Rectus femoris Stance phase Forties 75.41±18.71 105.71±26.60 .01*
Elderly 68.10±30.42 56.94±22.27 .04*
P .52 .00*

Swing phase Forties 79.50±10.20 109.31±42.20 .08
Elderly 67.10±23.90 56.23±41.06 .03*
P .14 .01*

Biceps femoris (lateral) Stance phase Forties 55.05±23.82 63.01±31.69 .15
Elderly 68.36±21.21 66.40±26.03 .94
P .20 .80

Swing phase Forties 80.14±16.27 80.84±29.00 .93
Elderly 81.90±12.41 64.80±18.83 .01*
P .80 .20
J Korean Soc Phys Med 2018;13:139-48 https://doi.org/10.13066/kspm.2018.13.4.139
© 2018 J Korean Soc Phys Med