Links to Scholarly Articles:

Surfing: http://pure-oai.bham.ac.uk/ws/files/26875938/Website_version_Respite_.pdf

Mountain Biking: https://ezproxy.csusm.edu/login?auth=shibboleth&url=https://search-ebscohost-com.ezproxy.csusm.edu/login.aspx?direct=true&db=s3h&AN=101854765&site=ehost-live&scope=site

Golf: https://bjsm.bmj.com/content/51/1/12