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Exercise rehabilitation of the vastus medialis oblique muscle for 8 weeks improved pain, function and muscle volume in patients with patellofemoral pain syndrome – the addition of hip adduction exercises did not further improve outcomes
Patellofemoral pain syndrome (PFPS) is a common chronic knee injury that is frequently treated by rehabilitation of the vastus medialis oblique (VMO) muscle – however, it has been suggested that additional hip adduction training may result in improved clinical outcomes of this condition.
Does the addition of hip adduction exercises to VMO exercises further reduce pain and improve function in patients with PFPS?
Subjects: 79 out of 89 recruited subjects with PFPS (clinical diagnosis) completed the study (male=20).
Experimental procedure: All the subjects were initially assessed (pain (100 mm Visual Analogue Scale), function (Lysholm scale scores), and VMO morphology (cross-sectional area – CSA and volume using ultrasound)) and then randomly assigned to one of three treatment groups for 8 weeks (3/week): no exercise rehabilitation (CON=25); VMO exercise only (leg-press) (VMO=27); and VMO exercise combined with hip adduction (VMO+HA=27). Measurements were repeated after …