Gait Kinematics

Question 1

How many phases are there in stance?

Answer 1

5

makes up 60%

Question 2

How many phases are there for swing?

Answer 2

3

makes up 40%

Question 3

Phases of double support

Answer 3

initial contact

loading response

Question 4

phases of single support

Answer 4

mid-stance
terminal stance
pre-swing

Question 5

phases of swing

Answer 5

initial swing
mid-swing
terminal swing

Question 6

tasks for double support

Answer 6

weight acceptance

Question 7

task for single support

Answer 7

single limb support

Question 8

tasks for swing

Answer 8

limb advancement

Question 9

Phase 1: Initial Contact

Answer 9

point in time; not really a phase
makes up 0-2% of gait cycle
goal is to start stance with heel rocker and impacts deceleration

Question 10

Phase 2: Loading response

Answer 10

0-10% of gait cycle
initial double limb support
begins with initial floor contact
ends when other foot is lifted
Objectives:
         shock absorption
         weight bearing stability
         progression peservation

Question 11

Phase 3: Mid Stance

Answer 11

10-30% of gait cycle
begins when other foot is lifted
ends when BW is over forefoot
feet are side by side
This is the time when the greater trochanter is vertically above midpoint of the supporting foot in midstance
Objectives:
        limb and trunk stability
        progression over stationary foot

Question 12

Phase 4: Terminal Stance

Answer 12

30-50% of gait cycle
begins with heel rise
ends when other foot strikes
objectives:
          progression of body beyond supporting foot

Question 13

Phase 5: Pre-Swing/Push Off

Answer 13

50-60% of gait cycle
begins with initial contact opposite limb
ends with ipsilateral toe-off
objectives:
        position limb for swing

Question 14

Phase 6: Initial Swing

Answer 14

60-73% of gait cycle
begins with lift of foot from floor
ends when swinging foot is opposite stance foot
objectives
foot clearance
advancement of limb from trailing position

Question 15

Phase 7: Mid Swing

Answer 15

73-87% of gait cycle
begins when swing leg is opposite stance limb
ends when leg is forward and tibia is vertical
objectives
limb advancement
foot clearance

Question 16

Phase 8: Terminal Swing

Answer 16

87-100% of gait cycle
begins with tibia vertical
ends when foot strikes the floor
    objectives
        complete limb advancement
         prepare stance