Gait

Question 1

Phases of Gait

Answer 1

Initial Contact, Loading Response, Midstance, Terminal Stance, Preswing, Initial swing, Mid Swing, Terminal swing

Question 2

Initial Contact

Answer 2

0% of cycle (instant at beginning), shock absorp, Weight Acceptance
Hip: posterior GRF, 20 deg flex, use extensors
Knee: posterior to GRF, 5 deg flex, use quads
Ankle: posterior to GFF, 0 degrees, pretibials

Question 3

Loading Response

Answer 3

12% of cycle, Shock absorp, patient is unstable, Weight Acceptance
Hip: posterior to GRF, 20 deg FLEX, use Extensors/ABDuctors
Knee: 15 deg FLEX, use Quads, Anterior to GRF
Ankle: 5 deg PF, Pretibials, Posterior to GRF

Question 4

Midstance

Answer 4

19% of Cycle, Single limb support
Hip: 0 degrees, ABDuctors, Posterior to GRF
Knee: 5 Degrees Flexion, Quads, Anterior to Posterior to GRF
Ankle: 5 Degree DF, Calf, Anterior to GRF

Question 5

Terminal Stance

Answer 5

19% of Cycle, single limb support
Hip: 20 Degrees Hyperext, no muscles, Posterior to GRF
Knee: 5 Degrees of Flexion, no muscles, Posterior to GRF
Ankle: 10 Degrees of DF, Calf, Posterior to GRF
MTP: 30 deg Ext

Question 6

Pre-Swing

Answer 6

12% of cycle, Swing limb Advancement
Hip: 10 degrees Hyperext, ADDuctors, Anterior to GRF
Knee: 40 Degrees Flexion, no muscles, Anterior to GRF
Ankle: 15 Degrees PF, no muscles, Anterior to GRF
MTP: 60 Degrees Ext

Question 7

Initial Swing

Answer 7

13% of cycle, no ground Rxn force, swing limb advancement
Hip: 15 Deg Flex, Flexors
Knee: 60 deg flex, flexors
Ankle: 5 deg PF, Pretibials

Question 8

Mid Swing

Answer 8

12% of cycle, no ground Rxn, swing limb advancement
Hip: 25 deg flex, flexors then hamstrings
Knee: 25 deg flex, flexors
Ankle: 0 deg, Pretibials

Question 9

Terminal Swing

Answer 9

13% of cycle, no ground Rxn, Swing limb advancement
Hip: 20 deg flex, Hamstrings
Knee: 5 Deg flex, Quads
Ankle: 0 deg, Pretibials

Question 10

What Percentage of gait is swing and stance?

Answer 10

~ 60/40

Question 11

First Determinant of Gait

Answer 11

8 deg of pelvic rotation

Question 12

Second Determinant of Gait

Answer 12

5 deg of pelvic later tilt

Question 13

Third Determinant of Gait

Answer 13

15 deg of knee flex

Question 14

Fourth and Fifth Determinants of Gait

Answer 14

knee ankle foot motion, produces smooth pathway curve

Question 15

Sixth Determinant of Gait

Answer 15

lateral shit of the pelvis is reduced from 3 inches to less than 2