Table 1.

Descriptive information of articles included in MVIC ACLR and healthy group comparisons

Study	Participant Population	Modified Downs and Black Score	Angle of Testing, deg	Injured Group					Healthy Control Group
				n	Sex	Age, y	Time Since Surgery	MVIC, N·m/kg, Mean ± SD	n	Sex	Age, y	MVIC, N·m/kg, Mean ± SD
Kuenze et al (2015a)27	Recreationally active	11	90	22	12M, 10F	22.5	31.5 mo	INV = 2.46 ± 0.83	24	12M, 12F	21.7	2.72 ± 0.49
Holsgaard-Larsen et al (2104)22	Orthopaedics department patient	10	90	23	23M	27.2	26.5 mo	INV = 2.54 ± 0.65 CON = 2.76 ± 0.56	25	25M	27.2	2.9 ± 0.54
Lepley et al (2014)31	University community	12	90	29	9M, 20F	21.2	48.2 mo	INV = 2.67 ± 0.76	29	9M, 20F	21.5	3.13 ± 1.06
Kuenze et al (2015b)28	Recreationally active	9	90	22	12M, 10F	22.5	31.5 mo	INV = 2.5 ± 0.84 CON = 2.92 ± 0.65	24	12M, 12F	21.7	2.835 ± 0.54
Thomas et al (2015)50	Recreationally active	12	90	17	10M, 7F	21.41	7-10 mo	INV = 2.03 ± 0.57 CON = 2.88 ± 0.73	16	5M, 11F	23.38	2.63 ± 0.92
Krishnan and Williams (2011)25	Recreationally active	9	90	15	15F	24.73	2-14 y	INV = 3.67 ± 0.66 CON = 3.94 ± 0.73	15	15F	24.73	4.09 ± 1.02
Goetschius et al (2015)13	Recreationally active	9	60	32	18M, 14F	24.1	45.1 mo	INV = 2 ± 0.6	32	15M, 17F	24.3	2.6 ± 0.8
Pietrosimone et al (2015)46	University community	11	90	28	9M, 19F	21.28	48.1 mo	INV = 2.68 ± 0.78	29	9M, 20F	21.55	3.13 ± 1.07
Thomas et al (2016)52	—	9	90	20	7M, 13F	20.65	212.89 d	INV = 2.03 ± 0.51 CON = 2.89 ± 0.81	—	—	—	—
Kuenze et al (2015c)30	University, recreationally active	14	90	22	12M, 10F	22.5	31.5 mo	INV = 3.07 ± 1.03 CON = 3.59 ± 0.8	24	12M, 12F	21.7	3.48 ± 0.67
Pamukoff et al (2017)44	Recreationally active	11	90	20	6M, 14F	21.1	50.7 mo	INV = 1.86 ± 0.74	20	6M, 14F	21.2	2.56 ± 0.37
Lepley et al (2015)32	Healthy university/high school	14	90	20	9M, 11F	20.9	6 mo	INV = 2.58 ± 0.69 CON = 2.79 ± 0.82	20	9M, 11F	21.7	3.53 ± 0.93
Chang et al (2014)5	Physically active (150 min of moderate exercise or 60 min of vigorous exercise per week)	9	90	8	7M, 1F	24.8	—	INV = 2.85 ± 0.33 CON = 3.051 ± 0.477	10	8M, 2F	26.9	4.18 ± 0.32
Zwolski et al (2016)56	Females with 50 h of pivoting/cutting sports per week	9	60	15	15F	18	9.2 mo	INV = 1.55 ± 0.5 CON = 1.88 ± 0.27	15	15F	17.9	1.88 ± 0.46
Jordan et al (2015)23	Elite athletes	12	70	8	3M, 5M	—	25 mo	INV = 3.44 ± 0.63 CON = 4.43 ± 0.98	21	13M, 8F	—	4.09 ± 0.52
Goetschius and Hart (2016)12	Recreationally active	12	90	53	27M, 26F	23.4	44.1 mo	INV = 2.23 ± 0.76	50	28M, 22F	23.3	2.57 ± 0.76
Davis et al (2017)9	Recreationally active	12	90	39	12M, 27F	21.84	49.43 mo	INV = 2.83 ± 0.61 CON = 3.05 ± 0.62	—	—	—	—
Blackburn et al (2016)4	Physically active 30 min 3 times per week	10	90	39	11M, 28F	22	49 mo	INV = 2.72 ± 0.62 CON = 2.94 ± 0.59	—	—	—	—
Oberlander et al (2013)41	Participated in sports with high level of joint loading	9	65	10		28	12 mo	INV = 2.32 ± 0.56 CON = 2.75 ± 0.57	—	—	—	—
Zwolski et al (2015)55	Returning to preinjury participation in pivoting or cutting	9	60	139	49M, 90F	16.7	8.2 mo	INV = 2.3 ± 0.5 CON = 2.6 ± 0.5	—	—	—	—
Norte et al (2018)40	Healthy	9	90	4	2M, 2F	27.4	7.4 mo	INV = 1.95 ± 0.43 CON = 2.92 ± 0.8	—	—	—	—
Lepley and Palmieri-Smith(2016)35	Orthopaedic clinic	13	90	54	23M, 31F	19.9	7.24 mo	INV = 2.2 ± 0.6 CON = 3.2 ± 5.8	—	—	—	—
Harput et al (2015)18	General population, HT reconstruction	9	60	24	24M	28.1	1-3 mo	Month 1: INV = 1.47 ± 0.62 CON = 2.6 ± 0.63; Month 2: INV = 2.18 ± 0.65 CON = 2.88 ± 0.73; Month 3: INV = 2.61 ± 0.67 CON = 3.14 ± 0.64	—	—	—	—

ACLR, anterior cruciate ligament reconstruction; CON, contralateral ACLR limb; F, female; HT, hamstring tendon; INV, involved ACLR limb; M, male; MVIC, maximal voluntary isometric contraction.