Principles of Biomechanics, Osteo/Arthrokinematics Flashcards

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1
Q

What is biomechanics?

A

The study of the mechanisms of anatomical movement

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2
Q

What is kinesiology?

A

The study of human movement

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3
Q

What is osteokinematics?

A

Motion you see, observable movements of the bones, shown by a change in the joint angle.

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4
Q

What is arthrokinematics?

A

Motion you feel, unobservable accessory motion between adjacent joint spaces.

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5
Q

What is arthrokinematics necessary for?

A

full, pain free range of motion

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6
Q

When does arthrokinematics happen?

A

during all active and passive motion

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7
Q

True or Fasle: Arthrokinematic motion can occur independently or voluntarily

A

False

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8
Q

True or False: Arhtrokinematic motion if restricted, can limit physiological movement.

A

True

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9
Q

What is joint play?

A

Passive joint movement that can’t be achieved by active contraction

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10
Q

What is component movement?

A

Involuntary obligatory joint motion occurring outside the joint that accompanies active motion

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11
Q

What is adhesive capsulitis (AC)?

A

Painful and progressively restricted active and passive glenohumeral joint range of motion. Loss of more than 25% shoulder ROM in at least two directions, usuallyabduction and external rotation.

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12
Q

What is another name for adhesive capsulitis (AC)?

A

Frozen shoulder

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13
Q

What is an arthrokinematic roll?

A

When new points on one joint surface come into contact with new points on the other surface (wheel)

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14
Q

Rolling occurs when the two articulating surfaces are ______________.

A

incongruent

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15
Q

What is an arthrokinematic glide?

A

When one constant point on one surface is contacting new points or a series of points on the other surface (braking)

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16
Q

When does gliding occur?

A

When the two surfaces are congruent

17
Q

What is an arthrokinematic spin?

A

rotation around a stationary longitudinal axis (loss of traction)

18
Q

True or False: All motions require rolling and gliding to occur simultaneously.

A

True

19
Q

The more congruent the more ____________

The more incongruent the more ___________

A

gliding; rolling

20
Q

What are the 4 types of joint surfaces?

A

convex; concave; sellar; ovoid

21
Q

What is an ovoid joint shape?

A

A joint with concave and convex articulating shapes

22
Q

What is a sellar joint shape?

A

A saddle shape with each articular surface having a concave and convex component in a specific direction

23
Q

Where do convex surfaces have more cartilage?

A

The center

24
Q

Where do concave surfaces have more cartilage?

A

the periphery

25
Q

When the concave surface is stationary and convex surface moves. Osteo and arthokinematic motion is in the ____________ direction.

A

opposite

26
Q

When Convex surface is stationary and concave surface moves Osteo and Arthrokinematic motion is
_______ direction. In the Arthrokinematic mobilization Glide and Roll are in the _______ direction

A

same

27
Q

Arthrokinematic ________ always occurs in the same direction as bone movement.

A

Roll

28
Q

What is open (loose) packed position of a joint and what is it used for?

A

Position with least amount of joint surface congruency, mobilization/manipulation.

29
Q

In open packed position joint play is _____________ and capsule and support ligaments are_________.

A

maximized; lax

30
Q

What is closed packed position and what is it used for?

A

Position with the most amount of joint congruency; special tests

31
Q

In closed packed position joint play is _____________ and capsule and support ligaments are_________.

A

minimized(non-existent); Maximally tight

32
Q

What is a capsular pattern of restriction?

A

What is a capsular pattern of restriction?

33
Q

What is a noncapsular pattern of restriction?

A

A limitation in any pattern other than capsular.