منابع مشابه
Propulsive Efficiency of Rowing Oars
Is the common folklore, that oars are less efficient at propulsion than propellers, correct? Here we examine the propulsive efficiency of the oars used in competitive rowing. We take the propulsive efficiency η of rowing to be the ratio of the energetic benefit, the energy Db dissipated by boat drag, to the energetic cost, the work Wr performed by the rower. Air drag is neglected as is the ener...
متن کاملShorter oars are more effective.
The purpose of this investigation was to clarify the effects of blade design and oar length on performance in rowing. Biomechanical models and equations of motion were developed to identify the main forces that affect rowing performance. In addition, the mechanical connection between the propelling blade force and the force that the rower applies on the handle was established. On this basis it ...
متن کاملRowing Injuries
CONTEXT Rowing is one of the original modern Olympic sports and was one of the most popular spectator sports in the United States. Its popularity has been increasing since the enactment of Title IX. The injury patterns in this sport are unique because of the stress applied during the rowing stroke. EVIDENCE ACQUISITION This review summarizes the existing literature describing the biomechanics...
متن کاملRowing injuries.
The sport of rowing has gained considerable momentum in recent years. It appeals to many age groups and is an endurance activity with no sudden accelerations or ballistic impact forces. It is associated with several injuries that are so typical that they are easily recognized by the enthusiast and in many cases do not require imaging. These include wrist tenosynovitis, intersection syndrome, an...
متن کاملRowing Injuries and Related Factors in Competitive Rowing
Background: Rowing is a popular sport enjoyed at competitive levels and at recreational levels either on the water or with ergometer machines. As with any sport, extensive training results in injury. Objective: The objective of this study was to investigate the injury pattern and its causative factors among professional rowers in Sri Lanka in view to develop strategies to prevent further occurr...
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ژورنال
عنوان ژورنال: Academic Medicine
سال: 2007
ISSN: 1040-2446
DOI: 10.1097/acm.0b013e31805567d6