Rock Steady Boxing program

Jay Brunke, right, ducks as he spars with Christy Fernow part of the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

Rob Irlbeck, left, laces up his gloves with Jay Brunke, right, part of the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

Kevin Petzoldt, center, and Brother Tim Opferman, left, participate with the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

Shaun Bock hits a dummy part of the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

Rob Irlbeck and Jay Brunke toss a medicine ball back and forth part of the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

From left, Rob Irlbeck, Brother Tim Opferman and Jim Lurk take a break during the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

Jay Brunke tosses a medicine ball back and forth with Rob Irlbeck (not pictured) part of the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

Participants stretch during the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

Brother Tim Opferman and Kevin Petzoldt warm up part of the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

The Rock Steady Boxing program to battle Parkinson's Disease gathers together after a session Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

Rob Irlbeck and Jay Brunke toss a medicine ball back and forth part of the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

Rob Irlbeck warms up part of the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

Brother Tim Opferman performs an exercise part of the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

Rob Irlbeck, left, and Shaun Bock, right, warm up part of the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

Jay Brunke stretches part of the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

Jim Lurk warms up part of the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

Shaun Bock, left, and Jay Brunke, right, stretch part of the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

From left, Brother Tim Opferman, Kevin Petzoldt, Rob Irlbeck and Jay Brunke stretch part of the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

Rob Irlbeck stretches part of the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

Rob Irlbeck hits a punching bag part of the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

Katy Yamnitz tosses a medicine back to Brother Tim Opferman part of the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

Jay Brunke warms up part of the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

Kevin Petzoldt tosses a medicine ball to with Brother Tim Opferman part of the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

Rob Irlbeck hits a punching bag part of the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

Participants stretch during the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

Shaun Bock hits a dummy part of the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

Rob Irlbeck hits a punching bag part of the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

Shaun Bock stretches part of the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

Participants stretch during the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

From left, Jim Lurk, Brother Tim Opferman and Rob Irlbeck mess around during the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)

Participants stretch during the Rock Steady Boxing program to battle Parkinson's Disease Thursday, April 20, 2017 at Therapy Solutions in Perryville. (Andrew J. Whitaker ~ Southeast Missourian)