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Table 2 Pre- and post-training values1 of all included pilots along with the subset of pilots performing per protocol

From: Impact of exercise programs among helicopter pilots with transient LBP

 

All included pilots n = 39

Pilots with ≥19 training sessions, per protocol n = 20

PRE

POST

  

PRE

POST

  

Mean (SD)

Mean (SD)

Mean diff (95% CI)

p-value

Mean (SD)

Mean (SD)

Mean diff (95% CI)

p-value

VAS (0–10)

3.5 (2.0)

2.3 (1.6)

÷1.2 (÷2.0 to ÷0.4)

.005

3.5 (2.2)

2.3 (1.5)

÷1.3 (÷2.6 to 0.1)

.069

ODI %

10.5 (6.2)

7.1 (6.0)

÷3.3 (÷5.0 to ÷1.6)

.000

10.1 (5.6)

7.7 (5.2)

÷2.4 (÷4.2 ÷0.6)

.010

EQ-5D (0–100)

82.3 (13.1)

89.6 (12.4)

7.4 (2.9 to 11.9)

.002

77.7 (13.1)

90.2 (12.8)

12.5 (5.9 to 19.1)

.001

Muscular endurance in seconds

 Extension

54 (28)

56 (29)

2.7 (÷8.4 to 13.9)

.622

57 (28)

63 (36)

6.3 (÷13.8 to 26.4)

.523

 Flexion

65 (37)

111 (54)

45.8 (29.0 to 62.6)

.000

62 (40)

109 (56)

47.4 (18.6 to 76.2)

.003

 RSB2

34 (16)

52 (20)

17.9 (12.1 to 23.7)

.000

35 (18)

52 (20)

17.7 (9.7 to 25.6)

.000

 LSB3

40 (20)

63 (29)

23.2 (15.7 to 30.7)

.000

45 (22)

73 (33)

28.3 (18.0 to 38.6)

.000

 Total holding time

193 (70)

283 (98)

89.6 (59.5 to 119.8)

.000

198 (75)

298 (111)

99.6 (46.8 to 152.5)

.001

Ultrasound in percent4

 Level L4-L5

9.0 (6.1)

11.6 (5.9)

2.6 (1.1 to 4.1)

.002

8.0 (4.5)

10.4 (5.2)

2.4 (1.1 to 3.6)

.001

 Level L5-S1

6.1 (4.6)

7.7 (4.8)

1.5 (0.4 to 2.7)

.011

4.7 (3.7)

6.5 (4.3)

1.8 (0.5 to 3.1)

.010

 Right side L4–5 & L5-S1

6.8 (5.6)

9.4 (5.0)

2.7 (1.2 to 4.2)

.001

5.5 (4.3)

8.7 (5.0)

3.2 (2.1 to 4.2)

.000

 Left side L4–5 & L5-S1

8.4 (5.7)

9.8 (6.3)

1.4 (0.0 to 2.8)

.044

7.2 (4.4)

8.1 (4.7)

1.0 (÷0.7 to 2.6)

.231

 Both levels and sides

7.6 (5.1)

9.6 (5.2)

2.1 (0.8 to 3.3)

.002

6.3 (3.9)

8.4 (4.9)

2.1 (1.1 to 3.1)

.000

  1. 1Irrespective of training program. Mean values with standard Deviation and Mean difference with 95% Confidence Intervals (CI) and p-value form paired t-tests. 2RSB = Right Side Bridge. 3LSB = Left Side Bridge 4Values given in %-change from relaxed to contracted muscle