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. 2017 May;52(5):429–438. doi: 10.4085/1062-6050-52.2.09

Table 4. .

Functional and Biochemical Markers of Performance and Recovery, Mean ± SD (95% Confidence Interval)

Time
Variable
Pre-exercise
Postexercise
1 h
24 h
48 h
72 h
96 h
Maximum voluntary contraction, N·m
 Placebo 245.84 ± 25.94 (227.30, 264.40) 187.31 ± 19.50 (173.40, 201.30) 179.19 ± 20.41 (164.60, 193.80) 167.54 ± 15.40 (156.50, 178.60) 186.00 ± 17.35 (173.60, 198.40) 207.19 ± 24.20 (189.90, 224.50) 247.76 ± 27.15 (228.30, 267.20)
 HPC 252.31 ± 30.98 (230.10, 274.50) 165.16 ± 17.62 (152.60, 177.80) 162.87 ± 19.69 (148.80, 177.00) 158.48 ± 18.80 (145.00, 171.90) 178.23 ± 19.02 (164.60, 191.80) 183.68 ± 21.64 (168.20, 199.20) 227.89 ± 27.92 (207.90, 247.90)
 LPC 255.34 ± 26.91 (236.10, 274.60) 206.54 ± 28.38a (186.20, 226.80) 202.94 ± 24.11a (185.70, 220.20) 212.01 ± 20.52a,b (197.30, 226.70) 231.82 ± 24.11a,b (214.60, 249.10) 256.51 ± 31.65a,b (233.90, 279.20) 268.49 ± 30.85b (246.40, 290.60)
 LPP 248.62 ± 27.80 (228.70, 268.50) 229.70 ± 26.97a,b (210.40, 249.00) 235.77 ± 28.39a,b,c (215.50, 256.10) 237.53 ± 25.30a,b (219.40, 255.60) 252.00 ± 24.65a,b (234.40, 269.60) 257.64 ± 28.39a,b (237.30, 277.90) 282.38 ± 28.86a,b (261.70, 303.00)
Visual analogue scale, mm
 Placebo 0.00 ± 0.00 (0.00, 0.00) 44.20 ± 12.47 (35.28, 53.12) 43.40 ± 11.24 (35.36, 51.44) 44.20 ± 13.13 (34.81, 53.59) 37.80 ± 10.12 (30.56, 45.04) 24.40 ± 11.04 (16.50, 32.30) 14.40 ± 8.28 (8.48, 20.32)
 HPC 0.00 ± 0.00 (0.00, 0.00) 42.10 ± 11.69 (33.74, 50.46) 44.70 ± 12.86 (35.50, 53.90) 45.30 ± 11.70 (36.93, 53.67) 38.20 ± 9.46 (31.43, 44.97) 25.30 ± 10.66 (17.67, 32.93) 13.10 ± 9.43 (6.35, 19.85)
 LPC 0.00 ± 0.00 (0.00, 0.00) 39.80 ± 11.66 (31.46, 48.14) 41.40 ± 11.61 (33.09, 49.71) 43.80 ± 12.16 (35.10, 52.50) 36.40 ± 9.85 (29.35, 43.45) 21.69 ± 10.40 (14.25, 29.13) 15.60 ± 8.63 (9.43, 21.77)
 LPP 0.00 ± 0.00 (0.00, 0.00) 40.20 ± 12.80 (31.04, 49.36) 34.50 ± 10.72 (26.83, 42.17) 22.90 ± 10.33a,b,c (15.51, 30.29) 17.80 ± 8.55a,b,c (11.68, 23.92) 9.30 ± 5.32a,b,c (5.49, 13.11) 0.00 ± 0.00a,b,c (0.00, 0.00)
Creatine kinase, U·L– 1
 Placebo 148.06 ± 32.12 (125.10, 171.00) 256.30 ± 69.63 (206.50, 306.10) 196.95 ± 6.56 (192.30, 201.60) 234.85 ± 80.26 (177.40, 292.30) 413.20 ± 77.36 (357.90, 468.50) 230.35 ± 42.51 (199.90, 260.80) 227.75 ± 57.21 (186.80, 268.70)
 HPC 138.30 ± 34.49 (113.60, 163.00) 306.51 ± 76.41 (251.80, 361.20) 273.62 ± 53.14b (235.60, 311.60) 317.70 ± 87.65b (255.00, 380.40) 410.18 ± 88.38 (347.00, 473.40) 261.97 ± 89.53 (197.90, 326.00) 227.08 ± 64.64 (180.80, 273.30)
 LPC 137.29 ± 17.04 (125.10, 149.50) 246.28 ± 48.24 (211.80, 280.80) 207.76 ± 49.58 (172.30, 243.20) 185.97 ± 44.23a (154.30, 217.60) 195.71 ± 33.84a,b (171.50, 219.90) 207.47 ± 66.35 (160.00, 254.90) 208.78 ± 46.94 (175.20, 242.40)
 LPP 153.23 ± 44.60 (121.30, 185.10) 188.98 ± 48.72a (154.10, 223.80) 154.35 ± 34.89a (129.40, 179.30) 150.41 ± 39.76a,b (122.00, 178.90) 136.84 ± 36.02a,b (111.10, 162.60) 141.76 ± 46.02a,b (108.80, 174.70) 157.69 ± 45.73a,b (125.00, 190.40)

Abbreviations: HPC, high-powered continuous laser/light; LPC, low-powered continuous laser/light; LPP, low-powered pulsed laser/light.

a 

Different from HPC (P < .05).

b 

Different from placebo (P < .05).

c 

Different from LPC (P < .05).