Exam 3 Gait

Question 1

Two phases of gait

Answer 1

• stance

- swing

Question 2

This phase of gait addressed most with orthotics

Answer 2

stance

Question 3

2 parts of stance phase

Answer 3

• weight acceptance

- single leg support (SLS)

Question 4

What is involved with weight acceptance?

Answer 4

• initial contact

- loading response

Question 5

What is involved with single leg support?

Answer 5

• midstance
• terminal stance
• preswing

Question 6

Swing phase =

Answer 6

limb advancement

Question 7

What are the 3 parts of swing?

Answer 7

• initial swing
• mid-swing
• terminal swing

Question 8

Running =

Answer 8

double flight

Question 9

What does GRF look at?

Answer 9

How your body/mass and the ground interact with each other

Question 10

What can GRF do to the joints?

Answer 10

• can have passive effects on joints

- can create stability or instability

Question 11

In addition to passive forces, what else works with GRF to create stability?

Answer 11

muscle actions

Question 12

GRF and gravity

Answer 12

GRF ≠ gravity!

Question 13

GRF and joints: GRF anterior to ankle

Answer 13

• force closes joint

- allows DF

Question 14

GRF and joints: GRF posterior to ankle

Answer 14

allows joint to open (PF)

Question 15

GRF and joints: GRF anterior to knee

Answer 15

locks in extension

Question 16

GRF and joints: GRF posterior to knee

Answer 16

• joint opens

- knee flexes

Question 17

GRF and joints: What does movement at the hip depend upon?

Answer 17

• where trunk is in relation to hip

- body weight

Question 18

GRF and joints: GRF anterior to hip

Answer 18

opens joint (hip flexion)

Question 19

GRF and joints: GRF posterior to hip

Answer 19

closes joint (hip extension)