Table 1.

Means (Standard Deviation) of Participant Demographics and Outcome Measures

Sex	9 Males, 9 Females
Age	22.1 (4.6) years
Height	176.6 (11.4)cm
Mass	74.0 (12.8) kg
IKDC at Six-month Follow-up Exam	70.6 (11.0) %
Marx Activity Score	7.7 (4.5)
Number of Concomitant Medial Meniscus Injuries	2 (11.1%)
Number of Concomitant Lateral Meniscus Injuries	11 (61.1%)
Serum C2C Concentrations
Baseline	160.51 (33.49) ng/ml
Six Month Follow-up	127.18 (24.78) ng/ml
Serum CPII Concentrations
Baseline	1084.78 (139.13) ng/ml
Six Month Follow-up	841.4 (167.75) ng/ml
Serum C2C:CPII Ratios
Baseline	0.15 (0.02)
Six Month Follow-up	0.15 (0.03)
Plasma IL-6 Concentrations
Baseline	3.09 (4.21) pg/ml
Six Month Follow-up	1.09 (0.9) pg/ml
Plasma MMP-3 Concentrations
Baseline	6.41 (5.04) ng/ml
Six Month Follow-up	8.03 (6.06) ng/ml
Gait Speed	1.28 (0.14) m/sec
Peak Vertical Ground Reaction Force
ACLR Limb	1.05 (0.06) BW
Contralateral Limb	1.10 (0.09) BW
Limb Symmetry Index	0.96 (0.04)
Peak Vertical Ground Reaction Force Loading Rate
ACLR Limb	55.03 (16.33) BW/sec
Contralateral Limb	59.4 (24.32) BW/sec
Limb Symmetry Index	1.06 (0.57)
Peak External Knee Adduction Moment
ACLR Limb	0.026 (0.006) BW* H
Contralateral Limb	0.029 (0.009) BW* H
Limb Symmetry Index	0.94 (0.19)

ACLR- anterior cruciate ligament reconstruction

BW- body weight

H - Height

MMP-3 - Matrix metalloproteninase-3

C2C - collagen type-II cleavage product

CPII - collagen type-II C-propeptide

IKDC- International Knee Documentation Committee Index

IL-6 - Interleukin- 6