year 5, Issue 2 (Summer 2017)                   Ann. Appl. Sport Sci 2017, 5(2): 61-72 | Back to browse issues page

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Röijezon U, Løvoll G, Henriksson A, Tonkonogi M, Lehto N. An Initial Study on the Coordination of Rod and Line Hauling Movements in Distance Fly Casting. Ann. Appl. Sport Sci. 2017; 5 (2) :61-72
1- Department of Health Sciences, Luleå University of Technology, Luleå, S-971 87, Sweden ,
2- Norwegian Institute for Water Research (NIVA), Section for Environmental Data Science Gaustadalléen 21, NO-0349 Oslo, Norway
3- Department of Sport and Health Sciences, School of Education, Health and Social Sciences, Dalarna University, S-791 88, Falun, Sweden
4- Department of Health Sciences, Luleå University of Technology, Luleå, S-971 87, Sweden
Abstract:   (4093 Views)

Background. The double haul is a unique feature of single-handed fly casting and is used in both fly fishing and fly casting competition. The movement behaviour during the double haul has not been investigated in previous research.

Objectives. Describe the coordination of the rod and line hauling movements during distance fly casting.

Methods. Elite fly casters performed distance casting with four different fly rod and fly line set-ups used in fly fishing and fly casting competition. Rod and hauling movements were measured with a 3D motion analysis system.

Results. The rod and line hauling movements were coordinated in an order whereby peak translational speed of the rod occurs prior to the peak speed of the angular rotation of the rod, and the peak speed of the angular rotation of the rod occurs prior to the peak speed of the line haul. This was consistent for all cast sequences, i.e., the back and forward false casts and the delivery cast, and for all four equipment set-ups, i.e., a shooting-head line cast with a relatively stiff fly rod and a long-belly line cast with three different fly rods with different stiffness and action curves. Results also showed differences in movement coordination between cast sequences and rod and line set-ups.

Conclusion. Among elite casters, single-handed fly casting with double haul is coordinated in an order of events whereby the peak speed occurs first for the translation of the rod, then for the rotation of the rod and finally for the line haul.

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  • The findings of maximum speed occurring first in rod translation, thereafter in rod rotation and finally in line hauling movement can be considered movement adaptations to optimize line speed and thereby distance and efficiency in fly casting.
  • These results support the principle that the rotation of the rod and the hauling of the line should occur relatively late in each cast sequence, i.e., after an initial translation of the rod in the movement direction.
  • The results also indicate that the coordination of rod and hauling movements should be adapted to line length, where increased rod and line hauling speed is used for longer lines.
  • In general, this suggests that casting movements need to be changeable and adjusted to current circumstances to optimize rod and line movements.

Type of Study: Original Article | Subject: Sport Biomechanics and its related branches
Received: 2017/03/18 | Accepted: 2017/05/6 | Published: 2017/05/8

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