A 20-year-old trainer practices Pilates on an elevator chair, raising her arms high above her head. Seated Stock Photo - Alamy

Arm raised above head hi-res stock photography and images - Alamy

1,200+ Pilates Chair Stock Photos, Pictures & Royalty-Free Images - iStock

Determined man lying sideways with arm raised on pilates chair in

Determined man lying sideways with arm raised on pilates chair in exercise room stock photo

Woman leg arm exercise hi-res stock photography and images - Page 15 - Alamy

A 20-year-old trainer practices Pilates on an elevator chair, raising her arms high above her head. Seated Stock Photo - Alamy

Seated exercise chair hi-res stock photography and images - Alamy

Arm raised above head hi-res stock photography and images - Alamy

Gallery — The Pilates Institute of Boulder

1,200+ Pilates Chair Stock Photos, Pictures & Royalty-Free Images - iStock

Arms stretched out above hi-res stock photography and images - Alamy