Table 1.
Overview of the literature review source articles
| Article | Article design (type) | Level of evidence |
|---|---|---|
| Allen et al. [1] | Expert opinion/background | V |
| Arnason et al. [2] |
Epidemiological review Retrospective cohort study |
II |
| Arnason et al. [3] |
Original article Prospective therapeutic study |
II |
| Askling et al. [4] |
Original article Prospective prognostic study |
II |
| Askling et al. [5] |
Original article Prognostic case series |
II |
| Askling et al. [6] |
Original article Prognostic case series |
II |
| Askling et al. [7] |
Original article Prognostic case series |
IV |
| Bencardino et al. [8] | Expert opinion/background | V |
| Blankerbaker et al. [9] | Expert opinion/background | V |
| Brooks et al. [10] |
Original article Cohort study (prevention) |
III |
| Carling et al. [11] |
Epidemiological review Prognostic case series |
II |
| Cohen et al. [12] | Literature review/background | V |
| Connell et al. [13] |
Original article Diagnostic case series |
I |
| Davis [14] | Expert opinion/background | V |
| Ekstrand et al. [15] |
Original article Prospective cohort study |
II |
| Ekstrand et al. [16] |
Original article Prospective two-cohort study |
II |
| Ekstrand et al. [17] |
Original article Prospective cohort study |
II |
| Ekstrand et al. [18] |
Original article Prospective cohort study |
II |
| Ekstrand et al. [19] |
Original article Prospective cohort study |
II |
| Elliott et al. [20] |
Descriptive epidemiology study Prospective cohort study |
II |
| Engebretsen et al. [21] |
Original article Prospective cohort study |
II |
| Fleckenstein et al. [22] |
Original article Diagnostic case series (descriptive) |
III |
| Fleckenstein et al. [23] | Expert opinion/background | V |
| Gibbs et al. [24] |
Original article Prospective diagnostic study |
I |
| Gielen et al. [25] |
Expert opinion/background Descriptive chapter |
V |
| Guerrero et al. [26] |
Original article Prognostic case series |
III |
| Hägglund et al. [27] |
Original article Prospective prognostic study |
I |
| Heiderscheit et al. [29] | Expert opinion/background | V |
| Heiser et al. [30] |
Original article Retrospective cohort study |
III |
| Klingele et al. [31] |
Original article Retrospective cohort study |
III |
| Kornberg et al. [32] |
Original article Therapeutic cohort study |
II |
| Koulouris et al. [33] |
Original article Retrospective cohort study |
III |
| Koulouris et al. [34] | Expert opinion/background | V |
| Koulouris et al. [35] |
Original article Prognostic cohort study |
III |
| Lempainen et al. [36] |
Original article Retrospective case series |
IV |
| Liemohn et al. [37] |
Original article Therapeutic case series |
IV |
| Malliaropoulos et al. [38] |
Original article Prognostic cohort study |
II |
| Malliaropoulos et al. [39] |
Original article Prognostic cohort study |
I |
| Martínez Amat et al. [40] |
Original article Diagnostic cohort study |
II |
| Miñarro et al. [41] |
Original article Diagnostic cohort study |
IV |
| Nikolaou et al. [42] | Biomechanical and histological evaluation of muscle | IV |
| Orchard et al. [43] |
Original article Retrospective epidemiologic study |
III |
| Orchard et al. [44] | Expert opinion/background | V |
| Peetrons [45] | Expert opinion/background | V |
| Petersen et al. [46] |
Original article Prospective cohort study |
II |
| Puranen et al. [47] | Expert opinion/background | V |
| Sallay et al. [48] |
Original article Descriptive case series |
III |
| Sarimo et al. [49] |
Original article Retrospective case series |
IV |
| Schneider-Kolsky et al. [50] |
Original article Diagnostic cohort study |
I |
| Schneider-Kolsky et al. [51] | Author’s reply | V |
| Seward et al. [52] |
Original article Prospective cohort study |
II |
| Shellock et al. [53] | Expert opinion/background | V |
| Slavotinek et al. [54] |
Original article Prospective RCT |
II |
| Sorichter et al. [55] |
Original article Retrospective case–control study |
III |
| Verrall et al. [56] |
Original article Prospective prognostic cohort study |
II |
| Verrall et al. [57] |
Original article Prospective cohort study |
II |
| Verrall et al. [58] |
Original article Prospective cohort study |
II |
| Volpi et al. [59] |
Epidemiological review Retrospective cohort study |
III |
| Walden et al. [60] |
Original article Prospective cohort study |
I |
| Warren et al. [61] |
Original article Prospective observational study |
II |
| Wood et al. [62] | Expert opinion/background | V |
| Woods et al. [63] |
Epidemiological review Prospective cohort study |
II |
| Woods et al. [64] |
Epidemiological review Prospective cohort study |
II |
| Yeung et al. [65] |
Original article Prospective cohort study |
II |
| Zeren et al. [66] |
Original article Diagnostic cohort study |
III |
Level of evidence is rendered as ranging from I to V in accordance with guidelines from the centre for evidence-based medicine, Oxford, UK