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Chapter 8168Appendix A. Mean results for the KROS group, n= 5Baseline 3 months after ACLR6 months after ACLR9 months after ACLR12 months after ACLRQuestionnairesACLR-RSI questionnaire 28 (21) 56 (13) 65 (15) 72 (8) 76 (7)IKDC questionnaire 48 (8) 53 (3) 83 (6) 91 (5) 90 (4)KSES questionnaire 4.6 (1.8) 6.4 (0.9) 8.0 (0.8) 9.3 (0.5) 9.3 (0.5) StrengthIsokinetic Hamstring strength (Nm/kg) ACLR 206 (86) 264 (30) 206 (50) 281 (130)Intact 251 (77) 307 (52) 241 (64) 279 (106)Isokinetic Quadriceps strength (Nm/kg) ACLR 295 (65) 348 (104) 499 (69) 442 (53)Intact 332 (76) 330 (133) 464 (95) 443 (97)Hamstrings/Quadriceps ratio ACLR 70% (26) 79% (19) 41% (5) 62% (25)Intact 81% (33) 104% (44) 51% (4) 63% (23)Quadriceps strength limb symmetry index 91% (22) 108% (11) 108% (8) 101% (9)Hamstrings strength limb symmetry index 83% (21) 87% (10) 86% (3) 99% (17)Combined strength Limb Symmetry Index 85% (19) 97% (5) 101% (7) 100% (5)Functional Single Leg Hop for Distance (cm) ACLR 159 (33) 167 (32) 188 (24)Intact 146 (37) 173 (24) 190 (21)Side Hop (number of correct hops) ACLR 52 (13) 57 (22) 59 (14)Intact 55 (13) 58 (22) 60 (11)Single Leg Balance (number of floor supports) ACLR 1.1 (1.3) 0.3 (0.0) 0.5 (0.2)Intact 1.9 (1.4) 0.4 (0.2) 0.3 (0.3)Y balance Anterior (cm) ACLR 76 (18) 68 (4) 70 (5)Intact 79 (15) 68 (2) 72 (5)Y balance Posteromedial (cm) ACLR 110 (11) 110 (7) 118 (15)Intact 115 (16) 108 (5) 117 (13)Y balance Posterolateral (cm) ACLR 109 (10) 68 (4) 115 (18)Intact 105 (13) 68 (2) 115 (16)Functional limb symmetry index 97% (5) 99% (3) 94% (11)Mark Zee.indd 168 03-01-2024 08:56