Walking

Question 0

What are the two phases of the gate cycle?

Answer 0

Stance phase (60% of the time) and swing phase (40)

Question 1

What are the stages of the gait cycle?

Answer 1

Heel strike
midstance
heel off
toe off
midswing

Question 2

What is involved in heel strike to midstance?

Answer 2

Ankle dorsiflexors which control descent of the foot

Question 3

What is involved between heel strike and heel off?

Answer 3

Hip abductors (prevent pelvic drop) and quadriceps (prevent knee collapse)

Question 4

What is involved from midstance to toe off?

Answer 4

Ankle plantarflexors to push leg into swing phase

Question 5

What is involved between toe off and mid swing?

Answer 5

Hip flexors which accelerate the limb in the first half of swing phase

Question 6

What is involved between midswing and heel strike?

Answer 6

Hip extensors to stop the limb swinging too far

Question 7

At midstance what is the PE and KE?

Answer 7

Max PE and Min KE which swaps when you step and lower height

Question 8

What is the loss from the conversion from KE to PE made up by?

Answer 8

Plantarflexors which raise centre of gravity at the end of stance phase

Question 9

What are the disadvantages of walking on two feet?

Answer 9

Slow
Lower back pain
Patellar dislocation

Question 10

What are the advantages of walking on two feet?

Answer 10

Can run animals to death