Lab 3 Biomechanics Model Flashcards

1
Q

A __1___ radius of resistance for the __2__ _____3__ to the ankle creates __4____ angular inertia. (ie. ___5___
resistance to angular motion). A __6__ angular inertia for the __7____ ___8__ to the ankle ___9__ ___10___
ankle plantarflexion angular velocity to be created. ___11____ ankle plantarflexion angular velocity creates
greater __12___ of the ___13___ and all joints ____14___ to the __15__.

A
  1. shorter
  2. body componet
  3. surperior
  4. smaller
  5. smaller
  6. smaller
  7. body componet
  8. superior
  9. allows
  10. greater
  11. greater
  12. linear speed
  13. ankle joint
  14. superior
  15. ankle
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2
Q

The __1__ in joint linear speeds __2___ to the ___3___ is the result of a ___4___ radius of resistance for the body component __5____ to the ___6__ and will result in greater ___7__ for the jumper when leaving the
ground.

A
  1. increase
  2. superior
  3. ankle
  4. shorter
  5. superior
  6. ankle
  7. linear speed
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3
Q

Greater ___1___ when leaving the ground will result in greater ____2___. Greater ___3____ when
leaving the ground and greater ___4__ will result in greater ___5__ and/or greater _____ .

A
  1. linear speed
  2. time in the air
  3. linear speed
  4. time in the air
  5. vertical jump height
  6. horizontal jump distance
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4
Q

The radius of rotation is the distance from ____1___ the to the _____2_____.

A
  1. rotating joint’s axis of rotation (B7)
  2. point of interest on the rotating body
    component (V6)
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5
Q

A __1____ coefficient of friction creates __2__ _____3__. Greater ____4____ creates greater external force ____5___
. Greater external force _____6___ ___7___ greater ankle plantarflexion, knee extension and hip
extension muscle forces ___8___.

A
  1. greater
  2. greater
  3. friction force
  4. friction force
  5. to push against
  6. to push against
  7. allows
  8. to be exerted
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6
Q

We can lengthen the radius of rotation by changing the angles of the joints ______1__. Any changes
of a joint angle _____2___ that moves the _____3___ ____ will _____ the radius of
rotation.

A
  1. within the body componet being rotated
  2. within the body componet being rotated
  3. the point of interest on the rotating body component
  4. farther from the rotating joint axis’s of rotation
  5. lengthen
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7
Q

6 Knee Extensors

A
O2) Gluteus Maximus
Tensor Fasciae Latae
D3) Rectus Femoris
P3) Vastus Lateralis
Q3) Vastus Medialis
O3) Vastus Intermedius

(Quads they R GREAT)

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8
Q

8 Ankle Plantar Flexors

A
  1. Fibularis Brevis
  2. Fiibularis Longus
  3. Gastrocnemis >calf
  4. Soleus
  5. Plantaris
  6. Tibialis Posterior
  7. Flexor Digitorum Longus
  8. Flexor Hallucis Longus
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9
Q

7 Hip extensors

A
  1. Adductor Magnus
  2. Biceps Femoris
  3. Semitendinosus
  4. Semimembranosus
  5. Gluteus Minimus
  6. Gluteus Maximus
  7. Gluteus Medius

(just ADD hamstrings and butt)

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10
Q

Greater _____1____ muscle force creates greater ankle plantarflexion _____2____. Greater ankle plantarflexion ____3___
creates greater ankle plantarflexion ____4____ . Greater ankle plantarflexion _____5____ creates greater ____6___
of the ____7___and all joints ___8___to the ____9___.

A
  1. anke
  2. torque
  3. torque
  4. angle
  5. angle
  6. linear speed
  7. ankle
  8. superior
  9. ankle
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11
Q

The ___1____ in joint linear speeds __2__to the ____3__is the result of increasing the _____4___and will result in
greater ___5___ for the jumper when __6__. Greater ____7___ when ____8___ will result in greater ____9___ .
Greater ___10__when __11__ and greater ___12__will result in greater ___13__and/or greater ___14_

A
  1. coordinated increase
  2. superior
  3. hip
  4. coefficient of friction
  5. linear speed
  6. leaving the ground
  7. linear speed
  8. leaving the ground
  9. time in the air
  10. linear speed
  11. leaving the ground
  12. time in the air
  13. vertical jump heigh
  14. horizontal jump distance
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12
Q

A jumper who has joints with greater___1__ will have ___2__ preparation phases and
consequently they will have the __3__ __4_ for the ___5__ joint torques during the execution
phase.

A
  1. range of motion
  2. longer
  3. longest
  4. application time
  5. concentric
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13
Q

During the preparation phase, the ankles must be ___1__ At the end of the preparation phase,
the ankles must be ____2____.
During the execution phase, simultaneous ___3___ankle __4___ torques are applied until the
ankles are___5___ .

A
  1. dorsiflexed
  2. optimally dorsiflexed
  3. concentric
  4. dorsiflexion
  5. maximally elevated
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14
Q

During the preparation phase, the knees must be ___1___. At the end of the
preparation phase,
the knees must be __2____ .
During the execution phase, simultaneous ___3__ knee ___4__ torques are applied until the knees
are __5__.

A
  1. flexed
  2. optimally flexed
  3. concentric
  4. extension
  5. maximally
    extended
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15
Q

A muscle with a greater __1___ will create greater muscle force. The method to increase muscle
is ____2-__

A
  1. cross sectional area

2. resistance training

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16
Q

All muscles have a natural resting length. This natural resting length is found when the muscle is ___1
. Muscles that are __2_to approximately __3__% of their natural resting lengths
generate the ___4___muscle force

A
  1. relaxed
  2. stretched
  3. 120
  4. greatest