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Speed development Flashcards

(9 cards)

1
Q

Projection

A
  • Athlete should aim for maximal projection of the centre of mass with each step
  • Balanced blend of vertical and horizontal forces to project the centre of mass up and out
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2
Q

Rhythm

A
  • Should be an audible change in rhythm with every step during the course of acceleration
  • Change in contact and air times that occur
  • As velocity increases, ground contact time decreases
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3
Q

Rise

A
  • Forward body angle that shows a progressive rise
  • This rise should be progressive and gradual
  • More upright posture is necessary to allow the leg space to increase stride length
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4
Q

Acceleration shapes

A
  1. Forward-orientated torso
  2. Neutral pelvis
  3. Scissoring thighs
  4. Acute positive shin angle
  5. Flexed angle
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5
Q

Toe off

A
  • No lumbar extension
  • Small amount of hip extension
  • 90 degree angle between thighs
  • Lack of full extension in knee joint of stance leg
  • Front leg nearly parallel with rear leg thigh
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6
Q

MVP

A
  • Neutral head
  • Fluid and relaxed throughout
  • Greater than 110 degree knee joint at front leg
  • Dorsiflexion of front leg foot
  • 90 degree angle between thigh
  • Straight line between rear leg knee and shoulder
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7
Q

Strike

A
  • Thigh recovery leg will be close to perpendicular
  • Should see 20 to 40 degree gap between thighs
  • ‘Strike’ is where we will observe close to maximal stretch of front leg hamstring
  • Foot of front leg will begin to supinate in prep for touchdown
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8
Q

Touchdown

A
  • Initial contact = foot inverted and plantar flexed contacting the ground initially with the outside ball of the foot
  • Swing leg foot will be tucked under the glutes with foot dorsiflexed
  • Knees together
  • Hands approximately parallel to each other
  • Shank of the shin should be nearly perpendicular to the ground, heel directly underneath the foot
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9
Q
A
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