Table 1

Characteristics, prognostic factors, outcomes and QUIPS assessments for included studies

Prognostic factors stated in textQUIPS score per domain
StudySpecific outcomesNFollow-upDemographics/anthropometricsNeuromuscularAnatomicalPhysiologicalTraining load/recoveryParticipationAttritionPrognostic factorsOutcome measurementConfounding measurementStatistical reporting
Arnason et al30Hamstring strains, groin strains, ankle sprains, knee sprains306
males		1 seasonAge, height, weight, BMI, body comp, PMHMaximal average squat power, standing jump, CMJFlexibility–Match exposure, training: match ratio.
Bengtsson et al31Hamstring injuries, quadriceps injuries, adductor injuries and calf injuriesUnknown1–11 seasons––––Recovery time between matches
Carling et al32Hamstring strains, quadriceps strains, groin strains, calf strains, ankle sprains, knee sprains35 males6 seasons––––No. of matches in 3/4 day cycle
Faude et al33Ankle sprains, knee sprains, ACL tears143
females		1 seasonAge, height, weight
BMI, limb dominance,playing position, PMH		–––Training time, match time
Fousekis et al34Hamstring injuries, quadriceps injuries100
males		10 monthsAge, height, weight, PMHAnkle isokinetic strength, knee isokinetic strength, functional knee strength ratio, stabilometryMid thigh girth, lower limb length, knee joint stability, ankle flexibility, hamstring and quadriceps flexibility––
Fousekis et al35Ankle sprains100 males10 monthsAge, height, weight, PMH, limb dominanceAnkle isokinetic strength, stabilometryTibia length,
lower limb length, ankle joint stability, ankle flexibility		––
Hagglund et al36Ankle sprains, groin injuries, knee joint trauma197 males2 seasonsAge, height, weight, BMI, PMH––––
Hagglund et al37Hamstring injuries, quadriceps injuries, adductor injuries, calf injuries1401 males9 seasonsAge, height, weight, PMH, limb dominance, playing position–––Training/match exposure,
Match venue/type,
Period in season, Climate
Hagglund et al38Patella tendinopathy2379 males4.3 seasonsAge, height, weight, playing position–––Total exposure,
Training/match exposure,
Period in season,
Team home playing surface
Henderson et al39Hamstring injuries36 males1 seasonAge, height, weight, lean massKnee isokinetic strength,
NCMJ jump, CMJ		Active hip flexion ROM (dominant side)Yo-yo endurance test–
Nilstad et al40Thigh injuries, knee injuries, ankle injuries, lower leg and foot injuries173 females1 seasonAge, height, weight, BMI, PMH, seasons at elite levelKnee isokinetic strength, leg press, hip abductor strength, knee valgus during drop jump landing, SEBTKnee joint stability, hypermobility, foot pronation–Training/match exposure
Timmins et al43Hamstring injuries152 males1 seasonAge, height, weight, PMHEccentric hamstring strength/imbalance, MVIC strength/MVIC imbalanceUS passive fascicle length, passive fascicle length relative to BFlh length, 25% MVIC length, passive fascicle length imbalance, 25% MVIC fascicle length imbalance, passive muscle thickness, 25% MVIC muscle thickness––
Waldén et al41Knee injuries, traumatic knee injuries, overuse knee injuries310 males1 seasonAge, height, weight, PMH, limb dominance, playing position–––Training/match exposure
Van Dyk et al42Hamstring injuries614 males4 seasons–Knee isokinetic strength, mixed hamstring/quadriceps ratios–––

  • BMI, body mass index; PMH, previous medical history; CMJ, countermovement jump; NCMJ, non-countermovement jump; QUIPS, Quality in Prognostic Studies; SEBT, Star Excursion Balance Test; MVIC, maximum voluntary isometric contraction; US, ultrasound;BFlh, biceps femoris long head.

  • ▪  Low risk of bias; ▪  moderate risk of bias; ▪ high risk of bias.