인더웨일's post on Back Extension

허리가 아픈건지 기립근 타겟이 된건지..

인더웨일 · 2024-12-05T07:23:40.134838Z

허리가 아픈건지 기립근 타겟이 된건지..

인

인더웨일·Back Extension·2024-12-05

I'm not sure if it's my back that's hurting or if it's my postural muscles that are targeted..

인

인더웨일·Back Extension·2024-12-05

I'm not sure if it's my back that's hurting or if it's my postural muscles that are targeted..