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Training may relieve symptoms in patients with mild to severe hip osteoarthritis and in patients who have received a total hip arthroplasty. Patients may train like healthy individuals. The effectiveness of training is dependent on sufficient dose and intensity. In this review, we suggest to prioritise research performed in the pre-clinical or in the mild to moderate stage of hip osteoarthritis where there is insufficient evidence on whether training has a disease-modifying effect or not. We also suggest that trials with long-term follow-up are performed for these patient groups.

In this case report, a 75-year-old woman with symptomatic knee osteoarthritis completed nine weeks (27 sessions, nine supervised) of blood-flow restricted (BFR) walking exercise without any discomfort and a 100% training adherence. BFR walking was well tolerated by the patient and resulted in improvements in functional capacity: 30-sec. sit-to-stand, timed up and go, 40-m walk test, and stair climb test. However, no positive changes were noted for maximal knee extensor and knee flexor strength or in Knee Osteoarthritis Outcome Scores.

This case report describes an 18-year-old woman, who had symptomatic bilateral external and internal snapping hip and completed 28 of 30 training sessions during a 12-week resistance training intervention. The intervention proved to be feasible and improved maximal strength in hip abduction and extension measured with Isokinetic Dynamometry. Improvements were also seen in The Copenhagen Hip and Groin Outcome Score, and The Forgotten Joint Score. Furthermore, visual analog scale pain markedly decreased after the intervention.