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Table 3 Descriptive summary of static and dynamic quadriceps muscle strength and thigh girth at the four time-point of study

From: Effectiveness of three modes of kinetic-chain exercises on quadriceps muscle strength and thigh girth among individuals with knee osteoarthritis

   Groups
OKCE (n = 32) CKCE (n = 32) CCE (n = 32)
Variable Time Mean ± SD (95% CI) Mean ± SD (95% CI) Mean ± SD (95% CI)
SQS (N) Wk 0 7.02 ± 2.67 (6.05–7.98) 7.26 ± 2.60 (6.33–8.20) 7.46 ± 2.39 (6.59–8.32)
Wk4 8.03 ± 2.65 (7.07–8.99) 8.24 ± 2.50 (7.34–9.14) 9.46 ± 2.73 (8.48–10.44)
Wk8 9.03 ± 2.69 (8.06–10.00) 9.25 ± 2.45 (8.36–10.13) 10.42 ± 2.70 (9.44–11.39)
Wk12 9.97 ± 2.78 (8.97–10.98) 10.25 ± 3.05 (9.15–11.35) 11.41 ± 2.67 (10.45–12.37)
DQS (N) Wk 0 4.08 ± 0.68 (3.83–4.32) 4.28 ± 0.79 (4.00–4.57) 4.28 ± 0.65 (4.05–4.52)
Wk 4 4.30 ± 0.69 (4.05–4.55) 4.50 ± 0.79 (4.22–4.78) 4.59 ± 0.77 (4.32–4.88)
Wk 8 4.56 ± 0.70 (4.31–4.81) 4.75 ± 0.79 (4.46–5.03) 4.74 ± 0.80 (4.46–5.03)
Wk12 4.75 ± 0.88 (4.44–5.07) 5.00 ± 1.10 (4.60–5.40) 5.11 ± 1.16 (4.69–5.53)
TG (cm) Wk0 54.90 ± 7.19 (53.31–57.50) 53.19 ± 7.43 (50.51–55.90) 53.63 ± 5.69 (51.57–55.67)
Wk4 55.06 ± 7.13 (52.49–57.63) 53.50 ± 7.33 (50.86–56.14) 54.28 ± 5.62 (52.25–56.31)
Wk8 55.50 ± 7.04 (52.96–58.04) 54.09 ± 7.33 (51.45–56.74) 55.25 ± 5.55 (53.25–57.25)
Wk12 55.91 ± 7.01(53.38–58.43) 54.47 ± 7.30 (51.84–57.10) 55.31 ± 5.70 (53.26–57.37)
  1. SD Standard deviation, Wk week, TG Thigh girth, OKCE Open Kinetic Chain Exercise, CKCE Closed Kinetic Chain Exercise, CCE Combined Kinetic-Chain Exercises, SQS Static quadriceps muscle strength, DQS Dynamic quadriceps muscle strength, TG Thigh girth