Case Study: Physical Capacity and Nutritional Status Before and After a Single-Handed Yacht Race.
During solitary sailing, the sailor is exposed to sleep deprivation and difficulties in consuming regular meals. Sailor weight loss is often reported. In the present case study, we describe changes in the physical capacity and nutritional status of an athlete attempting a single-handed yacht race around the globe. An Italian male ocean racer (Gaetano Mura) asked for our help to reach an optimum level of physical and nutritional preparation. We planned his diet after assessing his anthropometric parameters and body composition, as well as his usual energy intake and nutritional expenditure. The diet consisted of 120 meals stored in sealed plastic bags. Before his departure, GM performed two incremental exercise tests (cycle ergometry and arm crank ergometry) to assess his physical capacity. Cardiac functions were also estimated by Doppler echocardiography. All measures and exercise tests were repeated 10 days after GM finished the race, which lasted 64 days. Anthropometric measures did not change significantly, with the exception of arm fat area and thigh muscle area, which decreased. There were evident increments in maximum oxygen intake and maximum workload during arm cranking after the race. On the contrary, maximum oxygen uptake and maximum workload decreased during cycling. Finally, end-diastolic and stroke volume decreased after the race. It was concluded that nutritional counseling was useful to avoid excessive changes in nutritional status and body composition due to 64 days of solitary navigation. However, a reduction in physical leg capacity and cardiovascular functions secondary to leg disuse were present.
['Ghiani|Giovanna|G|', 'Magnani|Sara|S|', 'Doneddu|Azzurra|A|', 'Sainas|Gianmarco|G|', 'Pinna|Virginia|V|', 'Caboi|Marco|M|', 'Palazzolo|Girolamo|G|', 'Tocco|Filippo|F|', 'Crisafulli|Antonio|A|']
D000886:Anthropometry D001823:Body Composition D003163:Competitive Behavior D004032:Diet D004046:Dietetics D002149:Energy Intake D004734:Energy Metabolism D006801:Humans D008297:Male D008875:Middle Aged D009752:Nutritional Status D012767:Ships D000073678:Water Sports D015431:Weight Loss
sailing diet energy intake navigation energy expenditure