CO Gait Analysis & Lower Extremity Biomechanics

Question 1

What is the approximate normal cadence for a healthy adult during comfortable walking?

Accepted Answer

100–120 steps/min

Answer

50–70 steps/min

Answer

130–160 steps/min

Answer

160–200 steps/min

Question 2

Approximately what percentage of the gait cycle is occupied by the stance phase in normal walking?

Accepted Answer

60%

Answer

40%

Answer

50%

Answer

75%

Question 3

During the loading response phase of gait, the ankle undergoes which primary motion to assist shock absorption?

Accepted Answer

Controlled plantar flexion

Answer

Rapid dorsiflexion

Answer

Subtalar inversion

Answer

Toe extension

Question 4

How is 'step length' defined in gait analysis?

Accepted Answer

Distance from initial contact of one foot to initial contact of the opposite foot

Answer

Distance from initial contact of one foot to the next initial contact of the same foot

Answer

The number of steps taken per minute

Answer

The lateral distance between the two feet during walking

Question 5

During which phase of the gait cycle does the body's center of mass reach its lowest vertical position?

Accepted Answer

Double support (loading response)

Answer

Mid-stance

Answer

Terminal stance

Answer

Mid-swing

Question 6

What is the approximate normal comfortable walking speed for a healthy adult?

Accepted Answer

1.0–1.5 m/s

Answer

0.3–0.6 m/s

Answer

1.8–2.2 m/s

Answer

2.5–3.0 m/s

Question 7

How is 'stride length' defined in gait analysis?

Accepted Answer

Distance from initial contact of one foot to the next initial contact of the same foot

Answer

Distance from initial contact of one foot to initial contact of the opposite foot

Answer

The total steps taken in one minute

Answer

The perpendicular distance between parallel lines of foot progression