Gait cycle

Question 1

What muscles are working at heel strike (initial contact)?

Answer 1

Quadriceps, dorsiflexors

Question 2

What marks the end of loading response?

Answer 2

when the contralateral limb leaves the ground

Question 3

From foot flat through mid-stance, how are the triceps surae working?

Answer 3

eccentrically to control tibial advancement

Question 4

What starts terminal stance?

Answer 4

heel rise

Question 5

What ends terminal stance

Answer 5

opposite initial contact

Question 6

Is pre-swing single or double limb support?

Answer 6

double

Question 7

Is terminal stance single or double limb support

Answer 7

single

Question 8

Which direction does the pelvis of the swing leg rotate?

Answer 8

forward

Question 9

During which part of the gait cycle is the pelvis most superior?

Answer 9

midstance

Question 10

During which part of the gait cycle is the pelvis most inferior?

Answer 10

during double support

Question 11

What is average walking cadence?

Answer 11

113 steps/minute

Question 12

What is a typical cadence for when running begins?

Answer 12

180 steps/minute

Question 13

What is a normal step width?

Answer 13

2.5-12.7cm (1-5 inches)

Question 14

What might lead to excessive lateral trunk lean?

Answer 14

weak glute med.

hip pain

Question 15

What might lead to excessive backward trunk lean?

Answer 15

weak glute max

Question 16

What gait deviation might you see with weak glute max?

Answer 16

excessive backward lean

Question 17

What might lead to excessive forward trunk lean?

Answer 17

weak quads

hip/knee flexion contracture

Question 18

How might a plantarflexion contracture affect the knee during gait?

Answer 18

A plantarflexion contracture may lead to knee hyperextension