Table 2 Within the groups: pain intensity (Numeric rating scale, NRS), function measured by Neck disability index (NDI), range of motion in the neck, and strength in the neck and shoulders at baseline after 4 to 6 months of training and 12 months of training
STRENGTH training group | STRETCHING group | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Baseline | 4 to 6 months | n | 12 months | n | Baseline | 4 to 6 months | n | 12 months | n | |
Median (25, 75 percentile) | Median (25, 75 percentile) | Median (25, 75 percentile) | Median (25, 75 percentile) | Median (25, 75 percentile) | Median (25, 75 percentile) | |||||
Primary outcomes | ||||||||||
Pain intensity in the neck and shoulders | ||||||||||
Pain neck (NRS) | 6 (4, 7) | 5 (2, 7) | 25 | 2.5 (0, 7) | 20 | 5 (4, 6) | 4 (3, 8) | 19 | 3 (2, 6) | 19 |
Pain shoulder (NRS) | 4 (3, 6) | 4 (1, 7) | 25 | 2.5 (0, 7) | 20 | 5 (3, 8) | 3 (0, 5) | 19 | 3 (1, 5) | 19 |
Function | ||||||||||
Function (NDI) | 13 (10, 18) | 11 (7, 14) | 25 | 10 (4, 12) | 20 | 13.5 (11, 18) | 11.5 (9.5, 15) | 18 | 9 (4.5, 11.5) | 17 |
Secondary outcomes | ||||||||||
Range of motion in the neck (degrees) | ||||||||||
Neck flexion | 48 (38, 53) | 54 (40, 60) | 26 | 50 (47, 60) | 22 | 48 (38, 50) | 50 (42, 52) | 19 | 48 (38, 62) | 19 |
Neck extension | 56 (46, 68) | 70 (52, 79) | 26 | 70 (63, 75) | 22 | 60 (50, 68) | 68 (56, 80) | 19 | 70 (50, 78) | 19 |
Lat. flex. right | 30 (28, 38) | 40 (36, 48) | 26 | 40 (35, 42) | 22 | 32 (22, 40) | 38 (32, 42) | 19 | 40 (34, 48) | 19 |
Lat. flex. left | 32 (30, 38) | 39 (32, 43) | 26 | 40 (37, 47) | 22 | 38 (28, 40) | 40 (32, 48) | 19 | 42 (36, 52) | 19 |
Rotation right | 62 (57, 66) | 69 (60, 75) | 26 | 66 (60, 70) | 22 | 64 (58, 68) | 64 (54, 74) | 19 | 68 (60, 70) | 19 |
Rotation left | 59 (52, 65) | 68 (60, 73) | 26 | 69 (60, 74) | 22 | 62 (52, 72) | 66 (58, 74) | 19 | 68 (62, 72) | 19 |
Strength in neck and shoulders (N) = Newton, (#) = numbers of repetition | ||||||||||
Neck flex, (N) | 56 (46, 63) | 76 (68, 81) | 26 | 75 (67, 82) | 22 | 63 (55, 72) | 75 (60, 85) | 19 | 70 (59, 80) | 19 |
Neck ext, (N) | 92 (76, 110) | 132 (118, 154) | 26 | 123 (111, 149) | 22 | 100 (74, 110) | 121 (109, 146) | 19 | 121 (102, 132) | 19 |
Shod. abd. 4 kg, (#) | 9 (5, 12) | 15 (12, 18) | 25 | 20 (14, 22) | 22 | 9 (3, 13) | 10 (7, 13) | 16 | 11 (6, 12) | 16 |
Stand. row 4 kg, (#) | 18 (13, 25) | 34 (26, 49) | 26 | 38 (29, 50) | 22 | 16 (14, 20) | 20 (16, 30) | 17 | 26 (20, 30) | 17 |