Jumpers Flashcards

1
Q

Describe the movement of the neck and the center of gravity during the stride before the fence

A

Stretches downward and forward

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2
Q

Know when the flight of the jump (trajectory) is determined

A

At takeoff

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3
Q

Describe the flexion/extension of the hindlimbs during their last ground contact before the jump and the effect on energy

A

As hindfeet impact the gournd the legs are extended and then the hocks, stifles, and hips flex storing energy

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4
Q

Know the effect of poor jumping technique on the effort needed to clear a jump

A

Poor jumping technique leads to higher forces at take off and landing.

0.80 m with poor form is equivalent to 1.3 m with good form

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5
Q

Know the significance of consistently jumping to one side, say to the left. It may indicate problems in which areas

A

Thoracolumbar, SI or upper hindlimb

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6
Q

Know which muscles prevent the horse’s trunk from crashing to the ground at landing

A

Serratus ventralis and pectorals

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7
Q

Know which front limb (leading limb or trailing limb) may have a problem when the horse consistently lands with the same front limb leading and why

A

Leading limb, trailing limb takes on more concussion on landing

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8
Q

Know where the center of gravity is at landing

A

Shifted very far forward in front of the front feet and in front of the base of support

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9
Q

Know why the hindlimbs flex immediately on landing (2 reasons)

A

To absorb impact and store energy for the next stride

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10
Q

Know what it may indicate when a horse consistently jumps from one lead

A

Always jumps from the left lead may have problem with the left front or left hind

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11
Q

When does a horse get its jumping style

A

At a young age – 4 months

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