How to squat? Effects of various stance widths, foot placement angles and level of experience on knee, hip and trunk motion and loading.
BMC Sports Sci Med Rehabil. 2018 Jul 17;10:14. doi: 10.1186/s13102-018-0103-7. eCollection 2018.
BMC Sports Sci Med Rehabil. 2018.
PMID: 30026952
Free PMC article.