With the right instructor, yes — and the modification matters enormously. Certain classical exercises involve spinal flexion that is contraindicated for osteoporotic bones, so a properly trained instructor knows which exercises to remove, which to modify, and which are actively beneficial — weight-bearing and resistance work helps maintain bone density. A safe approach always begins by asking about your bone density scores and any fracture history. Many people with osteoporosis find private Pilates is the first exercise that has felt both safe and effective.