Comparison of functional fitness outcomes in experienced and inexperienced older adults after 16-week tai chi program.

https://www.ncbi.nlm.nih.gov/m/pubmed/24755567/?i=5&from=%2F28783470%2Frelated&fbclid=IwAR3cfKf-b3BaH26or8ii6gcvI7Dgvt0jKm7VRHZygXjKtr_Oqb2Us7tNNBI