Table 1

Study design and demographic parameters of respondents

Authors and yearStudy designControl groupSample descriptionGenderMean age (years)Body mass index (kg/m²)Graft sourceTime since surgery (months)
Baez et al43Modified cross-sectionalNo40 individuals with a history of unilateral ACLRMale=15; Female=2524.3±4.225.3±2.8NA68.4±15.6
Barchek et al44Modified cross-sectionalNo19 respondents with unilateral ACLRMale=6; Female=1322.9±3.224.3±4.5NA63.6±13.7
Bell et al35Cross-sectionalYes33 individuals with a history of primary unilateral or bilateral ACLR and 33 healthy controlsACLR group: Male=11; Female=22
CG: Male=11; Female=22
ACLR group: 20.3±1.8
CG: 20.8±1.6
ACLR group: 23.7±3.2
CG: 23.3±3.0
BTB, hamstring autograft, and allograft27.8±17.5
Davis-Wilson et al45Cross-sectionalNo66 participants that were subjected to primary ACLRMale=36; Female=3022.1±4.524.2±2.9BTB, semitendinosus autograft, quadriceps autograft, and allograft28.1±33.4
Ezzat et al36CohortYes51 athletes with primary unilateral ACLR and their 51 healthy peersFemaleACLR group: 18.3±2.2
CG: 18.1±2.0
ACLR group: 23.3±3.9
CG: 22.6±2.5
NA13.2±14.6
Kuenze et al37ObservationalYes31 respondents that underwent primary unilateral or bilateral ACLR and 31 participants without a history of ACLRACLR group: Male=8; Female=23
CG: Male=8; Female=23
ACLR group: 19.8±1.4
CG: 20.6±1.7
ACLR group: 23.7±3.0
CG: 23.2±3.0
BTB and hamstring autograft26.8±15.8
Kuenze et al38Cross-sectionalYes59 individuals with primary unilateral or bilateral ACLR and 55 healthy control respondentsACLR group: Male=25; Female=34
CG: Male=22; Female=33
ACLR group: 20.5±2.4
CG: 20.5±1.8
ACLR group: 24.2±2.9
CG: 23.9±2.9
BTB, hamstring autograft, and allograft29.0±17.3
Kuenze et al46Cross-sectionalNo23 adults that underwent primary unilateral ACLRMale=9; Female=1422.5±5.026.6±4.1BTB, hamstring autograft, and allograft8.2±2.1
Kuenze et al42ObservationalNo12 individuals that were subjected to primary unilateral ACLRMale=2; Female=1022.0±3.023.5±2.9Hamstring autograft and patellar tendon56.0±36.3
Lisee et al39Cross-sectionalYes57 respondents with a history of primary unilateral ACLR and their 42 non-injured counterpartsACLR group: Male=23; Female=34
CG: Male=20; Female=22
ACLR group: 20.9±3.2
CG: 20.7±1.7
ACLR group: 25.3±3.1
CG: 25.4±3.3
NA28.7±17.7
Toomy et al40Historical cohortYes25 out of 42 individuals experienced ACLR and 43 healthy controlsACLR group: Male=18; Female=24
CG: Male=18; Female=25
ACLR group: 23.7±2.9
CG: NA
ACLR group; 25.7±5.1 CG: NANANA
Triplett and Kuenze41Cross-sectionalYes10 participants with a history of unilateral ACLR and 10 noninjured controlsFemaleACLR group: 21.4±3.8
CG: 21.9±3.1
ACLR group: 26.1±3.8
CG: 21.8±2.5
BTB, hamstring autograft, and quadriceps autograft33.0±18.3
  • Values of variables mean age (years), body mass index (kg/m²), and time since surgery (months) are expressed as mean and SD.

  • ACLR, anterior cruciate ligament reconstruction; BTB, bone tendon bone; CG, control group; NA, not applicable.