Crossref

1. Correlation between peak expiratory flow and abdominal muscle activity in elderly women while holding maximum expiration and performing the side bridge exercise

- Hiroshi Ishida

- Hikari Moriyoshi

- Tadanobu Suehiro

- Chiharu Kurozumi

- Susumu Watanabe

2. Association between abdominal muscle stiffness, diaphragm thickness and peak expiratory flow in younger versus older adults

- Youngeun Lim

- Yerim Do

- Haneul Lee