Clinical Study
Flexion Relaxation Ratio Not Responsive to Acutely Induced Low Back Pain from a Delayed Onset Muscle Soreness Protocol
Table 1
Clinical Measures by pain group (mean (SD)).
| | Pain group | Time | Pain score
(100 mm VAS) | Trunk flexion
(degrees)* | FRR
(ratio) | Straight leg raise
(degrees) |
| | | Baseline | 0 | 104.52 (12.93) | 22.75 (30.84) | 97.69 (11.68) | | Pain () | 24 hours | 23.19 (14.06) | 101.67 (11.45) | 15.75 (21.42) | 86.14 (13.83) | | | 48 hours | 27.0 (17.10) | 95.38 (22.81) | 8.44 (6.96) | 76.54 (28.4) |
| | | Baseline | 0 | 113.76 (13.77) | 13.00 (10.77) | 103.73 (14.74) | | Minimal pain () | 24 hours | 5.48 (5.43) | 109.76 (13.19) | 12.90 (15.93) | 88.95 (13.10) | | | 48 hours | 5.14 (5.60) | 110.14 (14.18) | 14.74 (21.79) | 89.69 (12.32) |
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Mean difference between pain groups is significant at the 0.05 level.
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