Bert. Boxing 互联网档案馆的存檔,存档日期2006-06-19.. www.owingsmillsboxingclub.com. URL last accessed March 4, 2006. Margaret Goodman, MD Ringside and training principles
(原始内容存档于2023-03-30). Sportstar, Team. Indian boxers start training camp ahead of Women’s World Boxing Championships. sportstar.thehindu.com. 2023-03-05 [2023-03-13]
Registration opens for IBA Men's World Boxing Championships in Tashkent, nations invited to training camp. IBA. 2023-03-23 [2023-04-01]. (原始内容存档于2023-04-01)
may be familiar with the plank position already." The Ultimate Fitness Boxing & Kickboxing Workout, Ross O'Donnell, Trafford Publishing, 2005, ISBN 978-1-4120-6451-4