|  | Knee | Ankle | ||||
---|---|---|---|---|---|---|---|
 |  | df | F | Significance | df | F | Significance |
Study Alone | Program | 1 | 3.025 | .089 | 1 | 1.069 | .308 |
 | Instructional Strategy | 1 | 2.077 | .157 | 1 | .366 | .549 |
 | Program X Instructional Strategy | 1 | 1.392 | .245 | 1 | .126 | .724 |
Group Study | Program | 1 | .851 | .362 | 1 | 2.843 | .100 |
 | Instructional Strategy | 1 | .279 | .600 | 1 | 6.469 | .015* |
 | Program X Instructional Strategy | 1 | 2.704 | .108 | 1 | .002 | .969 |
Total Study | Program | 1 | 2.496 | .122 | 1 | 2.609 | .114 |
 | Instructional Strategy | 1 | .199 | .657 | 1 | 3.787 | .059 |
 | Program X Instructional Strategy | 1 | .196 | .660 | 1 | 0.42 | .839 |