Ultrasound-Guided Intra-Articular vs Gluteal Intramuscular Corticosteroid Injection for Frozen Shoulder

Conditions

• Frozen Shoulder

Interventions

• DRUG: Compound betamethasone injection (dorsogluteal intramuscular)
• DRUG: Compound betamethasone injection (ultrasound-guided intra-articular glenohumeral)
• DRUG: 0.9% sodium chloride injection (ultrasound-guided intra-articular glenohumeral placebo)
• DRUG: 0.9% sodium chloride injection (dorsogluteal intramuscular placebo)
• OTHER: Standardized home-based shoulder rehabilitation exercise program

Sponsor

Second Affiliated Hospital, School of Medicine, Zhejiang University