The Muhammad Ali Parkinson’s Center at St. Joseph’s Hospital is offering several classes for people with Parkinson’s disease and their caregivers. Classes take place at the Muhammad Ali Parkinson Center 500 W. Thomas Road, Suite 720. Cost is $5 per class (cash or check), and pre-registration is required. Call 602-406-6903 to register.

Upcoming classes include:

• The Art of Moving, 2-3 p.m. Tuesdays in October. This exercise class is designed to focus on the symptoms of the disease. Lesson plans are designed to maintain and improve function in the areas of flexibility, strength, posture, balance, coordination, communication, voice power and speech clarity. It can be performed seated; wear comfortable clothes and socks.

• Voice Class, 3-3:30 p.m. Tuesdays in October. This class will teach you how to improve your voice quality and communication through proper breathing, posture, articulation, tone and facial expressions.

• Tai Chi, 1-2 p.m. Wednesdays in October. Tai Chi is a series of dance-like movements linked together in a continuous, smooth-flowing sequence. It is a mind and body workout that can reduce stress, increase energy, and improve circulation, muscle tone, concentration and focus. It can be performed seated.