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Table 1 Descriptions of included studies

From: Intrinsic Risk Factors for Ankle Sprain Differ Between Male and Female Athletes: A Systematic Review and Meta-Analysis

Study

Sex

Sample

Level

Ankle sprains

Prognostic measurements

Length of tracking

Attenborough et al. 2017 [39]

Female

94 netball players

Subelite, amateur

11

Age, Height, Weight, Injury history, SEBT (dynamic balance), CMJ, inversion–eversion (ankle joint laxity), CAIT-Y (joint instability), demi- pointe test (static balance), foot lift test (static balance), level of play

1 season

Beynnon et al. 2001[40]

Female and male

68 female and 50 male college athletes from various sports

Subelite

f: 13

m: 7

Weight, Height, Dorsiflexion ROM, anterior drawer (ankle joint laxity), concentric strength (plantarflexion, dorsiflexion, inversion, eversion), eccentric strength(plantarflexion, dorsiflexion, inversion, eversion)leg dominance, modified Beighton method (generalszed joint laxity), anatomic foot type, inversion ROM (unweighted), eversion ROM (unweighted), rearfoot varus/valgus ROM (unweighted), forefoot/rearfoot relationship, Dorsiflexion ROM (knee extended, weightbearing), calcaneus varus/valgus (weightbearing), tibial varus valgus (weightbearing), concentric and eccentric ratio (dorsiflexion/plantarflexion, eversion/inversion), A-P centre of gravity sway (static balance)

2 seasons

DeRidder et al. 2016 [41]

Male

133 youth soccer players

Subelite

12

Age, BMI, isometric strength (hip flexion, extension, abduction, adduction, external rotation, internal rotation), playing experience, leg dominance, adjusted body size, exposure

3 seasons

Engebretsen et al. 2010 [42]

Male

508 professional soccer players

Elite

43

Age, Weight, Height, BMI, Injury history, anterior drawer (ankle joint laxity), Dorsiflexion ROM FAOS function score, single leg balance test (static balance), clinical examination, foot type, standing rearfoot alignment, hallux position, supination ROM, pronation ROM, playing position

1 season

Fousekis et al. 2012 [43]

Male

100 professional soccer players

Elite

17

Age, Weight, Height, BMI, anterior drawer (ankle joint laxity), concentric and eccentric strength (dorsiflexion and plantarflexion) dorsiflexion ROM, plantarflexion ROM, lower limb functional length, tibia length, proprioception (all not included parameters are dichotomous)

1 season

Gribble et al. 2015 [21]

Male

539 high school and college American football athletes

Amateur

54

Age, Weight, Height, BMI, Injury history, SEBT (dynamic balance), modified FMS

1 season

Hartley et al. 2018 [20]

Female and male

167 female and 384 male collegiate athletes from various sports

Subelite

f: 21

m: 38

BMI, Injury history, YBT (dynamic balance), YBT asymmetry, Dorsiflexion ROM, modified BESS (static balance)

2 seasons

Kawaguchi et al. 2021 [44]

Male

145 collegiate soccer players

Subelite

31

Age, Weight, Height, BMI, Injury history, Dorsiflexion ROM, Playing experience, muscle mass, fat mass, general joint laxity, bilateral balance test (force plate), unilateral balance test (force plate), height of navicular tubercle, knee extension ROM, hip internal rotation ROM, muscle flexibility (Iliopsoas, quadriceps, hamstring, gastrocnemius, soleus), isometric strength (knee extension and flexion, hip abduction)

1 season

Kofotolis et al. 2007 [18]

Male

312 soccer players

Amateur

139

Injury history

2 seasons

Kofotolis et al. 2007 [45]

Female

204 professional basketball players

Elite

32

Injury history

2 seasons

McCann et al. 2018 [46]

Female

43 collegiate soccer athletes

Subelite

8

Weight, Height, BMI, Injury history

1 season

Powers et al. 2017 [19]

Male

185 youth and adult professional soccer players

Subelite, elite

25

Age, Weight, Height, BMI, Injury history, isometric strength (hip abduction)

1 season

Saki et al. 2021 [16]

Male

152 youth athletes from various sports

Amateur

34

Age, Weight, Height, BMI, Injury history, Dorsiflexion ROM, Plantarflexion ROM, navicular drop, Q angle, tibia vara, tibia rotation, knee recurvatum

2 seasons

Tyler et al. 2006 [17]

Male

152 American football high-school athletes

Amateur

15

Injury history, BMI (dichotomous)

1–3 seasons

Willems et al. 2005 [47]

Male

241 sport students

Amateur

44

Age, Weight, Height, BMI, Dorsiflexion ROM, Plantarflexion ROM, joint position sense, flamingo balance, standing broad jump, shuttle run, endurance shuttle, concentric and eccentric strength (inversion, eversion, plantarflexion, dorsiflexion),

Inversion ROM, Eversion ROM, metatarsophalangeal-1-joint flexion ROM, metatarsophalangeal-1-joint extension ROM, hip external rotation ROM, hip internal rotation ROM, calcaneus position subtalar joint in neutral position (weighted, unweighted, and weighted with subtalar joint not in neutral position), postural control (force-plate), muscle reaction time (peroneus longus, peroneus brevis, tibialis anterior, gastrocnemius)

1 season

Willems et al. 2005 [48]

Female

159 sport students

Amateur

32

Age, Weight, Height, BMI, Dorsiflexion ROM, Plantarflexion ROM, joint position sense, concentric and eccentric strength (inversion, eversion, plantarflexion, dorsiflexion), Inversion ROM, Eversion ROM, metatarsophalangeal-1-joint flexion ROM, metatarsophalangeal-1-joint extension ROM, hip external rotation ROM, hip internal rotation ROM, calcaneus position subtalar joint in neutral position (weighted, unweighted, and weighted with subtalar joint not in neutral position), postural control (force-plate)

1 season

  1. SEBT Star excursion balance test, CMJ Counter movement jump, CAIT-Y Cumberland ankle instability tool-youth, f Female, M Male, ROM Range of motion, A-P Anterior–posterior, BMI Body mass index, FAOS Foot and ankle outcome score, FMS Functional movement screen, YBT Y-Balance Test, BESS Balance error scoring system, Q angle Quadriceps angle. Bold text denotes outcomes that were eligible for meta-analysis