Background Reduced hip adduction strength has been identified as a key predisposing factor in developing hip and groin injuries. The Copenhagen adduction programme has been shown to increase hip adduction strength in semiprofessional footballers but can cause muscle soreness. Therefore. a modified progressive Copenhagen adduction (MPCA) programme has been designed to increase hip addu... https://www.adventuresonabike.com/product-category/duffle-bag/