Gait Concepts Flashcards Preview

Biomechanics Final > Gait Concepts > Flashcards

Flashcards in Gait Concepts Deck (151)
Loading flashcards...
1

What term is defined as the manner or style of walking?

Gait

2

What term is defined as the evaluation of the manner or style of walking?

Gait analysis

3

What term is defined as the combination of several successively arranged joints constituting a complex motor unit?

Kinetic chain

4

What term is defined as a kinetic chain in which the terminal segment can move freely?

Open chain movement

5

What term is defined as a kinetic chain in which the distal end of the extremity is fixed?

Closed chain movement

6

What term is defined as the force exerted by the ground on a body in contact with it?

Ground reactive forces

7

What three motions are involved in the triaxial movement of the hip joint during gait?

1 Flexion-extension (θX)
2 Adduction-abduction (θZ)
3 Internal-external rotation (θY)

8

Which of the three movements of the hip joint have the largest range during gait?

Flexion-extension (θX)

9

What three motions are involved in the triaxial movement of the knee joint during gait?

1 Flexion-extension (θX)
2 Internal-external rotation (θY)
3 Adduction-abduction aka varus-valgus (θZ)

10

What is the primary motion of the knee joint during gait?

Flexion-extension (θX)

11

What limits the amount of varus-valgus of the knee joint during gait?

Soft tissue and bony constraints

12

Whenever the distal part is away from the midline, is it called valgus or varus?

Valgus

13

Whenever the distal part is toward from the midline, is it called valgus or varus?

Varus

14

Which variation describes the angulation of a limb at a joint?

Varus-valgus

15

Ankle motion is restricted by the morphologic constraints of which joint?

Talocrural joint

16

What are the only two movements permitted at the talocrural joint?

Plantar flexion/dorsiflexion

17

What must be initiated when preparing to begin gait?

A "fall"

18

What type of control propels the COG outside of the BOS?

Feedfoward

19

What term is defined as the moment at which the heel strikes the ground and becomes incorporated into the BOS?

Heel strike/heel contact

20

What term is defined as the moment at which the toe leaves the ground and is no longer incorporated in the BOS?

Toe off

21

What term is defined as the movement of ONE lower extremity from toe off to heel contact?

Step

22

What term is defined as two steps (one with each leg)?

Stride

23

What is another term for "stride" when referring to gait?

Gait cycle

24

How many steps complete a gait cycle?

2

25

What term is defined as the distance from the toe of the trailing limb to the heel of the leading limb?

Step length

26

What term is defined as the distance between two successive placements of the same foot?

Stride length

27

What does the stride length consist of?

2 step lengths (left and right)

28

What term is defined as the portion of one gait cycle in which both feet are in contact with the ground?

Double support

29

What concept distinguishes walking from running and is a period of "non-support" where neither foot is in contact with the ground?

Flight/float

30

The bipedal gait cycle consists of how many "phases" for each limb?

2 (stance and swing)