Gait (Dun Dun dun......)

Question 1

Which muscles are activated during heel strike through early stance to control small amount of knee flexion for shock absorption?

Answer 1

Quads (knee extensors)

Question 2

Which muscles slow the foot in-between heel strike and foot flat?

Answer 2

Ankle DF’s

(anterior tip, extensor hallucis longs, extensor digitorum longus

Question 3

Which muscles are activated from foot flat through mid stance to eccentrically control forward tibial advancement?

Answer 3

Gastrocs-soleus

Question 4

At what point does the body bear full weight on a single limb?

Answer 4

During mid stance of involved limb

Question 5

Which muscles in the hip control forward motion of the trunk?

Answer 5

Extensors

Question 6

Which muscles stabilize the pelvis during unilateral stance?

Answer 6

Abductors

Question 7

When is the peak activity of the plantar flexors occur?

Answer 7

Just after heel-off to push-off

Question 8

What causes forward acceleration during early swing for advancement of the leg?

Answer 8

Quadricep (becomes silent during midswing)

Hip flexors aid in forward limb propulsion

Question 9

How is foot clearance achieved during midswing?

Answer 9

Activation of hip and knee flexors, along with dorsiflexors

Question 10

Which muscles act in late swing for deceleration and stabilization?

Answer 10

Hamstrings decelerate limb

Quadricep and dorsiflexors activate during late swing to prepare for heel strike

Question 11

What is an average cadence, and what is a normal cadence when walking turns to running?

Answer 11

Average 113 steps/min
Start running at 180 steps/min
(increased cadence can cause decreased step length)

Question 12

What is an average walking speed?

Answer 12

82m/min

3mph