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kinesiology > chapter 3 & 4 > Flashcards

chapter 3 & 4 Flashcards

1
Q

This is long & thin; its a fiber that runs the entire length (examples: sartorus & sternocleidomastoid)?

A

Strap

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2
Q

It is spindle in shape which is wide in the middle & tapered at the ends?
Example: biceps

A

Fusiform

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3
Q

It is four sided & flat

exapmple: rhomboid

A

Rhomboidal

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4
Q

Flat, fan shaped, radiating from a narrow attachment?

Example: pect major

A

Triangular

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5
Q

This looks like a one sided feather?

Example: tibialis posterior

A

Unipennate

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6
Q

This lo I s like a common feather?

Example: interossei or gastrocnemius

A

Bipennate

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7
Q

This convers many tendons?

Example: deltoid

A

Multipennate

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8
Q

This moves toward the origin?

A

Insertion

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9
Q

The stable unmoving arm?

A

Origin

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10
Q

What are the 4 characteristics of muscle?

A

Irritability, contractibility, extensibility, & elasticity

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11
Q

What is the ability to respond to a stimulus?

A

Irritability

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12
Q

What is the ability to shorten or contract?

A

Contractibility

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13
Q

What is the ability of a muscle to stretch or lengthen when force is applied?

A

Extensibility

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14
Q

What is the ability to recoil or return to normal resting length when stretching or shortening force is removed?

A

Elasticity

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15
Q

What is the distance from maximum elongation to maximum shortening?

A

Excursion

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16
Q

What is the inability of a muscle to shorten enough to cause motion simultaneously at both joints it passes called?

A

Active insufficiency

17
Q

What is the inablilty of a muscle to further lengthen to provide full ROM at both joints called?

A

Passive insufficiency

18
Q

What are the 3 types of muscle contractions?

A

Isometrics, isotonic, & isokinetic

19
Q

When muscles contract, producing force without changing the lengthen of the muscle?
Example: holding weights

A

Isometric

20
Q

When muscle contracts, changing the muscle length & the joint angle

A

Isotonic

21
Q

When the resistance varies but the velocity stays the same, & ONLY done with special equipment

A

Isokinetic

22
Q

This movement occurs against gravity, brings things closer together, & is a raising motion

A

Concentric

23
Q

This movement occurs against gravity, brings things farhter apart & is the loweing motion

A

Eccentric

24
Q

What is the muslce or muscle group that causes the motion?

A

Agonist

25
Q

What are the muscles that perform the opposite motion of the agonist?

A

Antagonist

26
Q

What happens when the agonist & the antagonist contract at the same time?

A

Cocontraction

27
Q

The factors associated with nonmoving or nearly nonmoving systems

A

Statics

28
Q

The factors associated with moving systems

divided: kinetics & kinematics

A

Dynamics

29
Q

This deals with the manner in which bones move in space & without regard to the movement of joint surfaces

A

Osteokinematics

30
Q

This deals with the manner in which adjoining joint surfaces move in relation to each other?
( in the same or opposite directions)

A

Arthrokinematics

31
Q

The description of motion with regard to what causes motion?

A

Kinetics

32
Q

An object at rest, tends to stay at rest; whike an object in motion tends to stay in motion?

A

Newtons 1st law: law of inertia

33
Q

1) the amount of acceleration depends on the strength of the force applied to an object
2) acceleration is inversely proportional to the mass of an object

A

Newtons 2nd law: law of acceleration

34
Q

For every action there is an equak & opposite reaction

A

Newtons 3rd law: law of action-reaction

35
Q

What is a rigid bar that can rotate about a fixed point when force is applied to overcome resistance

A

Lever

36
Q

What is the distance between the force and the axis?

A

Moment arm

kinesiology (10 decks)

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