Table 3.
Isokinetic Internal (IR) and External Rotation (ER) Strength Single Repetition Work Values and Injured/Uninjured Comparisons Measured at 12 Weeks Status Post Arthroscopic Superior Labral Repair (n = 39 subjects).
| Motion / Speed | |||||||
|---|---|---|---|---|---|---|---|
| Injured | Uninjured | % Deficit * | |||||
| Mean | SD | Mean | SD | Mean | SD | Range | |
| ER 90°/s | 23.44 | 8.6 | 26.47 | 8.7 | 11.18 | 15 | (−36-40) |
| ER 210°/s | 16.28 | 7.5 | 18.18 | 7.1 | 10.34 | 20 | (−33-45) |
| ER 300°/s | 11.60 | 6.6 | 12.60 | 6.3 | 7.71 | 29 | (−55-67) |
| IR 90°/s | 38.44 | 13.0 | 43.15 | 14.1 | 9.60 | 18 | (−44-42) |
| IR 210°/s | 29.68 | 12.0 | 32.94 | 12.4 | 8.50 | 23 | (−82-40) |
| IR 300°/s | 23.97 | 12.0 | 24.55 | 12.5 | −4.15 | 48 | (−237-48) |
Note: All measures expressed in foot pounds (1 foot pound = 2.98 newton meters)
*
negative value indicates involved extremity is stronger than uninvolved
°/s - degree per second