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The active drag coefficient (Cd) is the overall best measure of a swimmer’s technique. The more effective the technique, the lower the Cd. There is a considerable range of Cd values – from over 2.0 for a very ineffective technique to under .7 for very effective technique.
5 Ιουλ 2023 · Comparing results with established active drag methods, such as the Velocity Perturbation Method (VPM), shows agreement in the magnitude of the mean active drag forces.
19 Οκτ 2022 · Drag is greater in adults than in children and greater in men than in women across all age groups. The study of drag is increasingly essential to collaborate with coaches in the process of understanding the fundamental patterns of movement biomechanics to achieve the best performance in swimming.
In this study, active drag values calculated based on full and semi-tethered swimming tests (“residual thrust method”) were compared with i) passive drag values, as measured during passive towing trials, and ii) active drag values, as calculated by means of the “planimetric method”.
The coefficient of active drag (C d) was calculated from the equation: C d = 2D/rAv 2, where D is the drag force (assumed equal to the average hand force for constant velocity swimming), r is the mass density of water, A is the cross-sectional area of the body, and v is the swimming velocity.
dynamic resistance in swimming can be split into two components, namely active drag and passive drag. Active drag is the resistive force that acts on a swimmer when swimming through...
1 Ιουν 2005 · Drag is the resistant force that opposes a swimmer displacing through water and significantly affects swimming performance. Drag experienced during active swimming is called active...
