Table 1 Methodological quality assessment of included studies based on a modified Downs and Black scale [33, 34]

From: Neuromuscular Function of the Knee Joint Following Knee Injuries: Does It Ever Get Back to Normal? A Systematic Review with Meta-Analyses

Study 1 2 3 5 6 7 10 11 12 15 18 20 21 22 25 Total score Quality level
Almeida et al. [41] 1 1 1 1 1 1 1 1 0 0 1 1 1 0 0 11 M
Chung et al. [42] 1 1 1 2 1 1 1 1 0 0 1 1 1 0 1 13 H
Clagg et al. [43] 1 1 1 1 1 1 1 0 0 0 1 1 1 0 0 10 M
Engelen-van Melick et al. [44] 1 1 1 2 1 1 0 1 0 0 1 1 0 0 1 11 M
Freddolini et al. [45] 1 1 1 2 1 1 1 0 0 0 1 1 0 0 1 11 M
Garrison et al. [46] 1 1 1 1 1 1 1 0 0 0 1 1 0 0 1 10 M
Goetschius and Hart [47] 1 1 1 2 1 1 1 0 0 0 1 1 0 0 0 10 M
Goetschius et al. [48] 1 1 1 2 1 1 1 0 0 0 1 1 1 0 1 12 H
Hall et al. [49] 1 1 1 1 1 1 1 0 0 0 1 1 1 0 0 10 M
Harkey et al. [10] 1 1 1 2 1 1 1 0 0 0 1 1 1 0 1 12 H
Holsgaard-Larsen et al. [50] 1 1 1 2 1 1 1 0 0 0 1 1 1 1 1 13 H
Hsiao et al. [51] 1 1 1 1 1 1 0 1 1 0 1 1 1 0 0 11 M
Hsieh et al. [52] 1 1 1 1 1 1 1 0 0 0 1 1 1 0 0 10 M
Ilich et al. [53] 1 1 1 2 1 1 1 0 0 0 1 1 1 0 0 11 M
Johnson et al. [54] 1 1 1 2 1 1 1 0 0 0 1 1 0 0 0 10 M
Kaminska et al. [55] 1 1 1 1 1 1 1 0 0 0 1 1 1 0 0 10 M
Kellis et al. [56] 1 1 1 1 1 1 0 1 0 0 1 1 1 0 0 10 M
Kline et al. [57] 1 1 1 1 1 1 1 0 0 0 1 1 1 0 0 10 M
Krishnan and Williams [58] 1 1 1 2 1 1 1 0 0 0 1 1 0 0 1 11 M
Kuenze et al. [20] 1 1 1 2 1 1 0 1 0 0 1 1 1 0 1 12 H
Kuenze et al. [59] 1 1 1 2 1 1 1 0 0 0 1 1 1 1 1 13 H
Kvist et al. [60] 1 1 1 1 1 1 1 1 0 0 1 1 0 0 0 10 M
Larsen et al. [11] 1 1 1 2 1 1 0 1 0 0 1 1 1 0 0 11 M
Lepley et al. [61] 1 1 1 2 1 1 1 0 0 0 1 1 1 0 1 12 H
Lepley et al. [9] 1 1 1 2 1 1 1 0 0 0 1 1 1 0 1 12 H
Lepley et al. [62] 1 1 1 2 1 1 1 0 0 0 1 1 0 0 1 11 M
Maeda et al. [63] 1 1 1 2 1 1 1 0 0 0 1 1 0 0 1 11 M
Norte et al. [64] 1 1 1 2 1 1 1 0 0 0 1 1 1 0 0 11 M
Oeffinger et al. [65] 1 1 1 1 1 1 1 1 0 0 1 1 0 0 0 10 M
O’Malley et al. [66] 1 1 1 1 1 1 1 1 0 0 1 1 0 0 0 10 M
Pamukoff et al. [22] 1 1 1 2 1 1 1 0 0 0 1 1 0 0 1 11 M
Pamukoff et al. [67] 1 1 1 2 1 1 1 0 0 0 1 1 0 0 1 11 M
Reed-Jones and Vallis [68] 1 1 1 1 1 1 1 0 0 0 1 1 1 0 0 10 M
Ristanis et al. [69] 1 1 1 2 1 1 1 0 0 0 1 1 0 0 1 11 M
Roos et al. [70] 1 1 1 2 1 1 1 0 0 0 1 1 0 0 0 10 M
Scheurer et al. [71] 1 1 1 2 1 1 1 0 0 0 1 1 0 0 1 11 M
Sturnieks et al. [72] 1 1 1 2 1 1 1 0 0 0 1 1 0 0 1 11 M
Tengman et al. [12] 1 1 1 2 1 1 1 1 0 0 1 1 1 0 1 13 H
Thomas et al. [73] 1 1 1 2 1 1 1 0 0 0 1 1 0 0 1 11 M
Thorlund et al. [74] 1 1 1 2 1 1 1 1 0 0 1 1 1 1 0 13 H
Thorlund et al. [75] 1 1 1 1 1 1 1 1 1 0 1 1 1 0 0 12 H
Tourville et al. [76] 1 1 1 1 1 1 1 0 0 0 1 1 1 1 1 12 H
Tsarouhas et al. [77] 1 1 1 1 1 1 1 1 0 0 1 1 0 0 0 10 M
Vairo [78] 1 1 1 2 1 1 1 1 0 0 1 1 0 0 1 12 H
Vairo et al. [79] 1 1 1 2 1 1 1 0 0 0 1 1 0 0 1 11 M
Ward et al. [80] 1 1 1 1 1 1 1 1 0 0 1 1 1 0 0 11 M
Welling et al. [81] 1 1 1 1 1 1 1 0 0 0 1 1 1 0 0 10 M
Xergia et al. [82] 1 1 1 2 1 1 1 0 0 0 1 1 0 0 0 10 M
Zarzycki et al. [83] 1 1 1 1 1 1 1 0 0 0 1 1 0 0 1 10 M
Zult et al. [84] 1 1 1 2 1 1 1 0 0 0 1 1 0 0 1 11 M
Zwolski et al. [85] 1 1 1 1 1 1 1 0 0 0 1 1 1 0 1 11 M
  1. Numbers in the top row are the item numbers in the original Downs and Black scale
  2. H high quality, M moderate quality