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Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

775 questions in 58 reviews · Bone, Joint and Muscle Trauma

current versions
No studies 166 · 21.4%Ungraded 24 · 3.1%Very low 356 · 45.9%Low 162 · 20.9%Moderate 47 · 6.1%High 20 · 2.6%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

QuestionEffectEvidenceStatus / GRADE
Supervised exercises vs home exercises
Pain during activity (long‐term) · patients with patellofemoral pain syndrome (symptoms > 2 months (1 study); not stated (1 study))
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extractedNRNo studies
Supervised exercises vs home exercises
Usual pain (long‐term) VAS (0 to 10; higher scores mean worse pain) · patients with patellofemoral pain syndrome (symptoms > 2 months (1 study); not stated (1 study))
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extracted1 study · 31 participantsVery low
Supervised exercises vs home exercises
Functional ability (short‐term) AKPS (0 to 100; higher scores mean better function) · patients with patellofemoral pain syndrome (symptoms > 2 months (1 study); not stated (1 study))
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extracted1 study · 18 participantsVery low
Supervised exercises vs home exercises
Functional ability (long‐term) FIQ (number of patients in top (best function) category 13 to 16) · patients with patellofemoral pain syndrome (symptoms > 2 months (1 study); not stated (1 study))
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
RR 1.34 [0.89, 2.03]1 study · 31 participantsVery low
Supervised exercises vs home exercises
Recovery (long‐term) · patients with patellofemoral pain syndrome (symptoms > 2 months (1 study); not stated (1 study))
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extractedNRNo studies
Closed kinetic chain exercises vs open kinetic chain exercises
Pain during activity (short‐term) VAS (0 to 10; higher scores mean worse pain) · patients with patellofemoral pain syndrome (symptoms > 4 weeks (1 study); symptoms > 6 weeks (1 study); symptoms > 8…
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
MD 0.032 studies · 90 participantsVery low
Closed kinetic chain exercises vs open kinetic chain exercises
Usual pain (short‐term) VAS (0 to 10; higher scores mean worse pain) · patients with patellofemoral pain syndrome (symptoms > 4 weeks (1 study); symptoms > 6 weeks (1 study); symptoms > 8…
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
MD 0.23 studies · 122 participantsVery low
Closed kinetic chain exercises vs open kinetic chain exercises
Pain during activity (long‐term) VAS (0 to 10; higher scores mean worse pain) · patients with patellofemoral pain syndrome (symptoms > 4 weeks (1 study); symptoms > 6 weeks (1 study); symptoms > 8…
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
MD 2.1 [1.08, 3.12]1 study · 49 participantsVery low
Closed kinetic chain exercises vs open kinetic chain exercises
Usual pain (long‐term) VAS (0 to 10; higher scores mean worse pain) · patients with patellofemoral pain syndrome (symptoms > 4 weeks (1 study); symptoms > 6 weeks (1 study); symptoms > 8…
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
MD 0.8 [0.07, 1.53]1 study · 49 participantsVery low
Closed kinetic chain exercises vs open kinetic chain exercises
Functional ability (short‐term) AKPS (0 to 100; higher scores mean better function) · patients with patellofemoral pain syndrome (symptoms > 4 weeks (1 study); symptoms > 6 weeks (1 study); symptoms > 8…
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extracted2 studies · 90 participantsVery low
Exercise therapy vs a control strategy (no treatment, placebo or waiting list controls)
Usual pain (short‐term) Scale (0 to 10; higher scores mean worse pain) · patients with patellofemoral pain syndrome (symptoms > 3 weeks (1 study); symptoms > 1 month (3 studies); symptoms > 2…
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extracted2 studies · 41 participantsVery low
Closed kinetic chain exercises vs open kinetic chain exercises
Functional ability (long‐term) AKPS (0 to 100; higher scores mean better function) · patients with patellofemoral pain syndrome (symptoms > 4 weeks (1 study); symptoms > 6 weeks (1 study); symptoms > 8…
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extracted1 study · 49 participantsVery low
Closed kinetic chain exercises vs open kinetic chain exercises
Recovery (long‐term) · patients with patellofemoral pain syndrome (symptoms > 4 weeks (1 study); symptoms > 6 weeks (1 study); symptoms > 8…
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extractedNRNo studies
Target of exercise: hip + knee vs knee exercises
Pain during activity (short‐term) Scale (0 to 10; higher scores mean worse pain) · patients with patellofemoral pain syndrome (symptoms > 1 month (3 studies); symptoms > 2 months (1 study); symptoms >…
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extracted3 studies · 104 participantsVery low
Target of exercise: hip + knee vs knee exercises
Usual pain (short‐term) VAS (0 to 10; higher scores mean worse pain) · patients with patellofemoral pain syndrome (symptoms > 1 month (3 studies); symptoms > 2 months (1 study); symptoms >…
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extracted2 studies · 46 participantsVery low
Target of exercise: hip + knee vs knee exercises
Pain during activity (long‐term) NPRS (0 to 10; higher scores mean worse pain) · patients with patellofemoral pain syndrome (symptoms > 1 month (3 studies); symptoms > 2 months (1 study); symptoms >…
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extracted1 study · 49 participantsVery low
Target of exercise: hip + knee vs knee exercises
Usual pain (long‐term) · patients with patellofemoral pain syndrome (symptoms > 1 month (3 studies); symptoms > 2 months (1 study); symptoms >…
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extractedNRNo studies
Target of exercise: hip + knee vs knee exercises
Functional ability (short‐term) Scale (0 to 100; higher scores mean better function) · patients with patellofemoral pain syndrome (symptoms > 1 month (3 studies); symptoms > 2 months (1 study); symptoms >…
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
SMD 0.614 studies · 174 participantsVery low
Target of exercise: hip + knee vs knee exercises
Functional ability (long‐term) Scale (0 to 100; higher scores mean better function) · patients with patellofemoral pain syndrome (symptoms > 1 month (3 studies); symptoms > 2 months (1 study); symptoms >…
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
SMD 1.492 studies · 78 participantsVery low
Target of exercise: hip + knee vs knee exercises
Recovery long‐term Number of patients at least moderately better · patients with patellofemoral pain syndrome (symptoms > 1 month (3 studies); symptoms > 2 months (1 study); symptoms >…
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
RR 1.34 [0.93, 1.94]1 study · 29 participantsVery low
Target of exercise: hip vs knee exercises
Pain during activity (short‐term) VAS (0 to 10; higher scores mean worse pain) · patients with patellofemoral pain syndrome (symptoms > 1 month (1 study); symptoms > 6 months (1 study))
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extracted1 study · 36 participantsVery low
Exercise therapy vs a control strategy (no treatment, placebo or waiting list controls)
Pain during activity (long‐term) Scale (0 to 10; higher scores mean worse pain) · patients with patellofemoral pain syndrome (symptoms > 3 weeks (1 study); symptoms > 1 month (3 studies); symptoms > 2…
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extracted2 studies · 180 participantsVery low
Target of exercise: hip vs knee exercises
Usual pain (short‐term) · patients with patellofemoral pain syndrome (symptoms > 1 month (1 study); symptoms > 6 months (1 study))
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extractedNRNo studies
Target of exercise: hip vs knee exercises
Pain during activity (long‐term) VAS (0 to 10; higher scores mean worse pain) · patients with patellofemoral pain syndrome (symptoms > 1 month (1 study); symptoms > 6 months (1 study))
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extracted1 study · 36 participantsVery low
Target of exercise: hip vs knee exercises
Usual pain (long‐term) · patients with patellofemoral pain syndrome (symptoms > 1 month (1 study); symptoms > 6 months (1 study))
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extractedNRNo studies
Target of exercise: hip vs knee exercises
Functional ability (short‐term) Scale (0 to 100; higher scores mean better function) · patients with patellofemoral pain syndrome (symptoms > 1 month (1 study); symptoms > 6 months (1 study))
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
SMD 0.85 [0.3, 1.4]2 studies · 58 participantsVery low
Target of exercise: hip vs knee exercises
Functional ability (long‐term) WOMAC (0 to 96; inverted scores so that higher scores mean better function) · patients with patellofemoral pain syndrome (symptoms > 1 month (1 study); symptoms > 6 months (1 study))
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
MD 16.22 [9.17, 23.27]1 study · 36 participantsVery low
Target of exercise: hip vs knee exercises
Recovery (long‐term) · patients with patellofemoral pain syndrome (symptoms > 1 month (1 study); symptoms > 6 months (1 study))
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extractedNRNo studies
High‐intensity vs low‐intensity exercise programmes
Pain during activity (short‐term) · patients with patellofemoral pain syndrome (untreated PFPS of over 2 months in duration)
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extractedNRNo studies
High‐intensity vs low‐intensity exercise programmes
Usual pain (short‐term) VAS (0 to 10; higher scores mean worse pain) · patients with patellofemoral pain syndrome (untreated PFPS of over 2 months in duration)
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extracted1 study · 40 participantsVery low
High‐intensity vs low‐intensity exercise programmes
Pain during activity long‐term · patients with patellofemoral pain syndrome (untreated PFPS of over 2 months in duration)
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extractedNRNo studies
High‐intensity vs low‐intensity exercise programmes
Usual pain (long‐term) VAS (0 to 10; higher scores mean worse pain) · patients with patellofemoral pain syndrome (untreated PFPS of over 2 months in duration)
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extracted1 study · 28 participantsVery low
Exercise therapy vs a control strategy (no treatment, placebo or waiting list controls)
Usual pain (long‐term) VAS (0 to 10; higher scores mean worse pain) · patients with patellofemoral pain syndrome (symptoms > 3 weeks (1 study); symptoms > 1 month (3 studies); symptoms > 2…
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extracted1 study · 94 participantsVery low
High‐intensity vs low‐intensity exercise programmes
Functional ability (short‐term) FIQ modified (0 to 16; higher scores mean better function) · patients with patellofemoral pain syndrome (untreated PFPS of over 2 months in duration)
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
MD 3.7 [1.59, 5.81]1 study · 40 participantsVery low
High‐intensity vs low‐intensity exercise programmes
Functional ability (long‐term) FIQ modified (0 to 16; higher scores mean better function) · patients with patellofemoral pain syndrome (untreated PFPS of over 2 months in duration)
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
MD 3.9 [1.72, 6.08]1 study · 28 participantsVery low
High‐intensity vs low‐intensity exercise programmes
Recovery (long‐term) · patients with patellofemoral pain syndrome (untreated PFPS of over 2 months in duration)
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extractedNRNo studies
Exercise therapy vs a control strategy (no treatment, placebo or waiting list controls)
Functional ability (short‐term) Scale (0 to 100; higher scores mean better function) · patients with patellofemoral pain syndrome (symptoms > 3 weeks (1 study); symptoms > 1 month (3 studies); symptoms > 2…
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
SMD 1.1 [0.58, 1.63]7 studies · 483 participantsVery low
Exercise therapy vs a control strategy (no treatment, placebo or waiting list controls)
Functional ability (long‐term) Scale (0 to 100; higher scores mean better function) · patients with patellofemoral pain syndrome (symptoms > 3 weeks (1 study); symptoms > 1 month (3 studies); symptoms > 2…
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
SMD 1.62 [0.31, 2.94]3 studies · 274 participantsVery low
Exercise therapy vs a control strategy (no treatment, placebo or waiting list controls)
Recovery (long‐term) Number of patients who had recovered or number of patients no longer troubled by symptoms · patients with patellofemoral pain syndrome (symptoms > 3 weeks (1 study); symptoms > 1 month (3 studies); symptoms > 2…
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
RR 1.35 [0.99, 1.84]2 studies · 166 participantsVery low
Supervised exercises vs home exercises
Pain during activity (short‐term) · patients with patellofemoral pain syndrome (symptoms > 2 months (1 study); not stated (1 study))
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extractedNRNo studies
Supervised exercises vs home exercises
Usual pain (short‐term) VAS (0 to 10; higher scores mean worse pain) · patients with patellofemoral pain syndrome (symptoms > 2 months (1 study); not stated (1 study))
Exercise for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extracted2 studies · 59 participantsVery low
Summary of findings: Knee orthosis (any type) and exercise vs control (exercise only)
Pain score (VAS) Scale from: 0 to 10 (higher scores mean worse pain) · Adults (recruited from health clinics or military recruits) with PFPS (duration of symptoms ranged from acute, under 2…
Knee orthoses for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extracted3 studies · 234 participantsVery low
Summary of findings: Knee orthosis (any type) and exercise vs control (exercise only)
Functional outcomes Scale various 2 · Adults (recruited from health clinics or military recruits) with PFPS (duration of symptoms ranged from acute, under 2…
Knee orthoses for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extracted2 studies · 183 participantsVery low
Summary of findings: Knee orthosis (any type) and exercise vs control (exercise only)
Quality of Life and General Health Assessments · Adults (recruited from health clinics or military recruits) with PFPS (duration of symptoms ranged from acute, under 2…
Knee orthoses for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Knee orthosis (any type) and exercise vs control (exercise only)
Impact on sporting and occupational participation · Adults (recruited from health clinics or military recruits) with PFPS (duration of symptoms ranged from acute, under 2…
Knee orthoses for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extracted1 study · 51 participantsVery low
Summary of findings: Knee orthosis (any type) and exercise vs control (exercise only)
Resource use · Adults (recruited from health clinics or military recruits) with PFPS (duration of symptoms ranged from acute, under 2…
Knee orthoses for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Knee orthosis (any type) and exercise vs control (exercise only)
Participant satisfaction · Adults (recruited from health clinics or military recruits) with PFPS (duration of symptoms ranged from acute, under 2…
Knee orthoses for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Knee orthosis (any type) and exercise vs control (exercise only)
Complications · Adults (recruited from health clinics or military recruits) with PFPS (duration of symptoms ranged from acute, under 2…
Knee orthoses for treating patellofemoral pain syndrome (2015) · Cochrane
no estimate extracted1 study · 59 participantsVery low
Summary of findings: whole‐body cryotherapy (WBC) vs control (no WBC or passive rest)
Muscle soreness: pain at rest (VAS) · physically‐active adults partaking in exercise designed to produce delayed onset muscle soreness (most trial…
Whole‐body cryotherapy (extreme cold air exposure) for preventing and treating muscle soreness after… (2015) · Cochrane
no estimate extracted2 studies · 20 participantsVery low
Summary of findings: whole‐body cryotherapy (WBC) vs control (no WBC or passive rest)
Muscle soreness: pain at rest (VAS) · physically‐active adults partaking in exercise designed to produce delayed onset muscle soreness (most trial…
Whole‐body cryotherapy (extreme cold air exposure) for preventing and treating muscle soreness after… (2015) · Cochrane
no estimate extracted3 studies · 38 participantsVery low