Moving Objects: Throwing, Striking, Kicking Flashcards

1
Q

Movement of body segments resulting in the production of a summated velocity at the end of the kinetic chain of segments.

A

Sequential Movement

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2
Q

True or false: impulse has no effect on final velocity.

A

False.

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3
Q

Sequential movement is most frequently used to produce ____ _________ in external objects.

A

high velocities

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4
Q

Four phases of throwing, striking, and kicking.

A

1.) Preparatory movement (backswing/wind up)
2.) Establish base of support
3.) Force phase
4.) Follow-through

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5
Q

The overarm pattern involves _______ of the shoulder joint, _________ and _______ at the arm, and ________ of the pelvis.

A

Rotation, internal and external rotation, rotation

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6
Q

The underarm pattern involves ______ of the arm.

A

Flexion

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7
Q

The sidearm pattern involves _______ _______ of the opposite hip and abducted arm and ______ _______ of the spine toward the throwing arm.

A

medial rotation; lateral flexion

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8
Q

The kicking pattern involves _____ of the pelvis, _____ of the hip, _____ of the leg, and ______ of the knee and the hip.

A

rotation; abduction; flexion; extension

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9
Q

Striking and kicking are example of the ___________ nature of force application.

A

momentary contact

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10
Q

Throwing is an example of the _________ nature of force application

A

projection

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11
Q

Anatomical Principle #1: Muscles contract more forcefully if they are first __________.

A

stretched

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12
Q

Anatomical Principle #2: Unnecessary movements and tension mean ___________________ ___ ________

A

awkwardness and fatigue

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13
Q

Anatomical Principle #3: Skillful performance can be developed only by _____________.

A

practice

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14
Q

Anatomical Principle #4: The most efficient type of movement is _________.

A

ballistic

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15
Q

Anatomical Principle #5: When performing a specific motion, appropriate _______ should be used.

A

levers

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16
Q

Mechanical principle of throwing #1: The object will only move if the force is of sufficient magnitude to overcome ________.

A

inertia

17
Q

Mechanical principle of throwing #2: The pattern and range of joint movements depends on the ______ of motion.

A

purpose

18
Q

Mechanical principle of throwing #3: Force exerted by the body will be transferred to an external object in proportion to the __________________________________.

A

counterforce of the feet against the ground

19
Q

Mechanical principle of throwing #4: _________ ________ is imparted to an external object as a result of angular velocity of the body segments.

A

linear velocity

20
Q

Mechanical principle of throwing #5: Optimum summation of internal force is needed if ______ force is to be applied to an object.

A

MAXIMUM

21
Q

Mechanical principle of throwing #6: For a change in momentum to occur, force must be applied ______ ______.

A

Over time (impulse)

22
Q

Mechanical principle of throwing #7: Force applied in line with the object’s center of gravity will result in _____ motion.

A

linear

23
Q

Mechanical principle of throwing #8: If the force applied to an object is NOT in line with its center of gravity, it will result in _______ motion.

A

rotary