Normal Gait Cycle - Specifics

Question 1

What is the order of the Gait Cycle

Answer 1

Initial Contact –> Loading Response –> Midstance –> Terminal Stance –> Pre Swing –> Initial Swing –> Mid Swing –> Terminal Swing

Question 2

What % of the gait cycle does Initial Contact Make up?

Answer 2

0-2%

Question 3

What % of the gait cycle does Loading Response make up?

Answer 3

2-12% // important for shock absorption

Question 4

What Rocker is going on during Loading Response?

Answer 4

Heel Rocker

Question 5

What % of the gait cycle does Mid Stance make up?

Answer 5

12-30%

Question 6

What Rocker is going on during Mid Stance?

Answer 6

Ankle Rocker

Question 7

What % of the gait cycle does Terminal Stance Make up?

Answer 7

30-50% // begins when reference heel rises and ends when opposite heel initial contact

Question 8

What Rocker is going on during Terminal Stance?

Answer 8

Forefoot Rocker

Question 9

What % of the gait cycle does Pre Swing make up?

Answer 9

50-62% // beings w/ opposite initial contact and ends with reference toe-off

Question 10

What Rocker is going on during Pre Swing?

Answer 10

Toe Rocker

Question 11

What % of the gait cycle does Initial Swing make up?

Answer 11

62-75% // begins when reference foot lifts from floor and ends when swinging foot lines up with stance foot // MAXIMUM KNEE FLEXION REQUIRED

Question 12

What % of the gait cycle does Mid Swing make up?

Answer 12

75-87% // begins w/ max knee flexion until reference limb is anterior to body and tibia is vertical. TYPICAL FOOT CLEARANCE 1-2cm

Question 13

What % of the gait cycle does Terminal Swing make up?

Answer 13

87-100% // begins w/ vertical tibia on reference limb and ends w/ initial contact

Question 14

What Critical Event is occuring during Initial Contact?

Answer 14

Initial floor contact w/o falling or slowing, foward progression, double support

Question 15

What Critical Event is occuring during Loading Response?

Answer 15

Shock absorption, posture maintenance, double support

Question 16

What Critical Event is occuring during Mid Stance?

Answer 16

Controlled but unrestrained forward progression of body, maximum lateral displacement, highest our CoG gets single support

Question 17

What Critical Event is occuring during Terminal Stance?

Answer 17

Free forward fall of body –> heel off / push off, single support

Question 18

What Critical Event is occuring during Pre Swing?

Answer 18

Knee flexion timed w/ weight shift, double support, lowest our CoG gets

Question 19

What Critical Event is occuring during Initial Swing?

Answer 19

foot clearance and thigh progression, max knee flexion, single support

Question 20

What Critical Event is occuring during Mid Swing?

Answer 20

continued floor clearance, vertical tibia, single support

Question 21

What Critical Event is occuring during Terminal Swing?

Answer 21

Deceleration of swinging limb, pre-positioning of foot for initial contact, single support **eccentric

Question 22

For 0-15% of the gait cycle, the pelvis is rotating how?

Answer 22

Internally rotating

Question 23

For 15-60% of the gait cycle, the pelvis is rotating how?

Answer 23

Externally rotating

Question 24

For 60-100% of the gait cycle, the pelvis is rotating how?

Answer 24

Internally rotating

Question 25

For 0-18% of the gait cycle, the Femur is rotating how?

Answer 25

internally rotating

Question 26

For 18-60% of the gait cycle, the Femur is rotating how?

Answer 26

Externally rotating

Question 27

For 60-100% of the gait cycle, the Femur is rotating how?

Answer 27

internally rotating

Question 28

For 0-20% of the gait cycle, the Tibia is rotating how?

Answer 28

internally rotating

Question 29

For 20-60% of the gait cycle, the Tibia is rotating how?

Answer 29

Externally rotating

Question 30

For 60-100% of the gait cycle, the Tibia is rotating how?

Answer 30

internally rotating

Question 31

For 0-30% of the gait cycle, the Subtalar Joint is rotating how?

Answer 31

everting

Question 32

For 30-55% of the gait cycle, the Subtalar Joint is rotating how?

Answer 32

inverting

Question 33

For 55-100% of the gait cycle, the Subtalar Joint is rotating how?

Answer 33

everting

Question 34

For 0-30% of the gait cycle, the Midfoot is rotating how?

Answer 34

increasing pliability

Question 35

For 30-55% of the gait cycle, the Midfoot is rotating how?

Answer 35

increasing stability

Question 36

For 55-100% of the gait cycle, the Midfoot is rotating how?

Answer 36

increasing pliability

Question 37

Someone's gait speed is 0.2 m/s, what does that mean?

Answer 37

extremely frail, risk of death/hospitalization/falls, functional impairments, disability, highly dependent/dc to SNF, household walker

Question 38

Someone's gait speed is 0.4 m/s, what does that mean?

Answer 38

intervention needed to reduce falls, risk of death, disability, 90% dc to home, limited community ambulator

Question 39

Someone's gait speed is 0.6 m/s, what does that mean?

Answer 39

intervention needed to reduce falls, 90% dc home from hospital, limited community ambulator

Question 40

Someone's gait speed is 0.8 m/s, what does that mean?

Answer 40

intervention needed to reduce falls, cognitive decline in 5 years, increased independence in self care, community ambulator

Question 41

Someoe's gait speed is 1.0 m/s, what does that mean?

Answer 41

less likely to be hospitalized, able to do household activities, increased independence, community ambulator

Question 42

Someone's gait speed is 1.2 m/s, what does that mean?

Answer 42

less likely to be hospitalized, able to do household activities, increased independence, community ambulator

Question 43

Someone's gait speed is 1.4 m/s, what does that mean?

Answer 43

less likely to be hospitalized, able to do household activities, increased independence, cross street safely

Question 44

What is a "normal" gait speed?

Answer 44

Moderate rate, about 3mph

Question 45

What is gait speed studied at?

Answer 45

3.5mph

Question 46

In normal walking, muscles function at what level?

Answer 46

3/5 MMT, 25% of normal strengthh

Question 47

What % of the gait cycle happens during walking?

Answer 47

60% stance, 40% swing

Question 48

What % of the gait cycle happens during race-walking?

Answer 48

50% stance 50% swing

Question 49

What % of the gait cycle happens during running?

Answer 49

30% stance 70% swing

Question 50

What % of the gait cycle happens during sprinting?

Answer 50

20% stance 80% swing

Question 51

Which phases are in the task Weight Acceptance?

Answer 51

Initial Contact, Loading Response

Question 52

Which phases are in the task Single Limb Support?

Answer 52

Mid Stance, Terminal Stance

Question 53

Which phases are in the task Swing Limb Advancement?

Answer 53

Pre-Swing, Initial Swing, Mid Swing, Terminal Swing

Question 54

Pelvic drop should not exceed _________ degrees during gait

Answer 54

4 degrees

Question 55

When in Initial Contact, is the GRFV anterior or posterior to the hip/knee/ankle?

Answer 55

Hip: Anterior Knee: Anterior Ankle: Posterior

Question 56

When in Loading Response, is the GRFV anterior or posterior to the hip/knee/ankle?

Answer 56

Hip: Anterior Knee: Posterior Ankle: Posterior

Question 57

When in Mid-Stance, is the GRFV anterior or posterior to the hip/knee/ankle?

Answer 57

Hip: Anterior - Posterior Knee: Posterior - Anterior Ankle: Anterior

Question 58

When in Terminal Stance, is the GRFV anterior or posterior to the hip/knee/ankle?

Answer 58

Hip: Posterior Knee: Anterior, moves posterior just before CL IC Ankle: Anterior

Question 59

When in Pre-Swing, is the GRFV anterior or posterior to the hip/knee/ankle?

Answer 59

Hip: Posterior Knee: Posterior Ankle: Anterior