Marnie Hartman

Declining a chair to sit in, Marnie Hartman relaxes into a squat position on the floor to talk about the book she’s co-authoring, “Pain Science Yoga Life.”

“It’s a book about using yoga as a modality to treat persistent pain,” she explained in an even tone.

Hartman, who owns the Body IQ Physical Therapy and Yoga studio in Haines, has been a practicing physical therapist for 17 years, though she thinks “It’s hard…