Gravity Vault in Montgomery County is giving Parkinson's patients strength, motivation and a sense of belonging to a special group of individuals that meet every Wednesday.

Jay Lehman has trouble walking, and Parkinson's disease causes him to occasionally freeze and tremble.

"I'm at stage four, so I have a lot of symptoms," he said.

Lehman was diagnosed with the brain disorder that affects movement when he was 36.

While he has trouble walking and controlling his movements, he has no trouble rock climbing here at Gravity Vault in Radnor .

"And yeah, I have a little fear of heights, so I don't look down," Lehman said.

He's part of a group called " Up ENDing Parkinsons ."

They climb these walls every Wednesday.

"It gives me a feeling like I'm using my mind to see where I have to g

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