Effectiveness of three modes of kinetic-chain exercises on quadriceps muscle strength and thigh girth among individuals with knee osteoarthritis.
Oladapo Michael Olagbegi, Babatunde Olusola Adegoke, Adesola Christiana Odole
PMID 29340203WHAT IT FOUND
The three knee-exercise modes did not differ in strength or thigh girth gains, with all participants also taking daily 3000 mg Paracetamol.
All modes increased strength and girth over 12 weeks.
Key findings
01The exercise groups did not differ for static quadriceps strength, dynamic quadriceps strength, or thigh girth.
02All groups, which also received 3000 mg Paracetamol daily, increased static strength, dynamic strength, and thigh girth from baseline to week 12 by mean differences of 3.30 N, 0.74 N, and 1.32 cm.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
The assessors were not blinded to group assignment, although a neutral research assistant recorded data. All participants received 3000 mg Paracetamol daily, and the study did not evaluate its effect. There was no control group with knee osteoarthritis undergoing sham or no intervention. Only 79 of 96 participants concluded the protocol, and the authors reported a 17.7% dropout proportion.
The easy way to misread this
Do not read the gains as proof that kinetic-chain exercise alone works. All participants also received 3000 mg Paracetamol daily, and the trial had no sham or no-intervention control group.