Which statement best differentiates polymyalgia rheumatica from polymyositis?

• A. Polymyalgia rheumatica presents with proximal weakness; polymyositis with stiffness and pain
• B. Polymyalgia rheumatica presents with proximal weakness; polymyositis with stiffness and pain
• C. Both always present with muscle weakness; ESR/CRP decisive
• D. Polymyalgia rheumatica presents with stiffness and pain generally without weakness; polymyositis presents with proximal muscle weakness

Answer: (D)