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Swimming

La Défense Arena
IMPORTANCE OF SYMMETRY

Symmetry equals speed for elite swimmers in all strokes

Symmetry of stroke
Left and right arms follow same path in mirror image

Straight arm Reaches further in front for longer stroke and greater efficiency
Abdominal
Hips
Straight line head to foot Reduced drag allows swimmer to engage abdominal muscles and allow hips to power stroke

MARATHON SWIMMING
Bilateral breathing and even rotation essential for pace and avoiding discomfort over 10km distance

Ana Marcela Cunha (BRA) Olympic Champion

Maintains 31-32 cycles per minute for optimum efficiency

Smooth, even rotation of body Balance to maintain good body line through water

Opposing arms Arms like hands of a clock on opposite sides

Source: IOC
Picture: Getty Images
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