Normal Gait 4

Question 1

What is the most challenging portion of the gait cycle?

Answer 1

Weight acceptance

Question 2

What is the ROM at the ankle joint during the initial contact phase?

Answer 2

Neutral

Question 3

What is the torque demand at the ankle joint during the initial contact phase?

Answer 3

Plantar flexion torque

Question 4

What is the muscle action at the ankle joint during the initial contact phase?

Answer 4

Isometric contraction of pretibial muscles

Question 5

What is the functional significance at the ankle joint during the initial contact phase?

Answer 5

Foot correctly positioned for heel rocker action in LR

Question 6

What is the ROM at the knee joint during the initial contact phase?

Answer 6

Neutral to 5° of flexion

Question 7

What is the torque demand at the knee joint during the initial contact phase?

Answer 7

Brief extension torque

Question 8

What is the muscle action at the knee joint during the initial contact phase?

Answer 8

Quads prep for next phase

Hamstrings counter extension torque

Question 9

What is the functional significance at the knee joint during the initial contact phase?

Answer 9

Extension torque stabilizes the knee

Question 10

What is the ROM at the hip joint during the initial contact phase?

Answer 10

Flexed 20°

Question 11

What is the torque demand at the hip joint during the initial contact phase?

Answer 11

High intensity flexion torque begins

Question 12

What is the muscle action at the hip joint during the initial contact phase?

Answer 12

Hip extensors active

Semimembrinosus and long head or biceps femoris decrease

Question 13

What is the functional significance at the hip joint during the initial contact phase?

Answer 13

Hip in position of forward reach

Question 14

What is happening with the pelvis in the initial contact phase?

Answer 14

5° of forward rotation in horizontal plane

Question 15

What is the ROM at the ankle joint during the loading response phase?

Answer 15

5° of plantar flexion

Question 16

What is the torque demand at the ankle joint during the loading response phase?

Answer 16

Plantarflexion torque forces foot to floor then diminishes

Question 17

What is the muscle action at the ankle joint during the loading response phase?

Answer 17

Pre Tibialis contract eccentrically

Soleus and gastroc act to control tibial advancement

Question 18

What is the functional significance at the ankle joint during the loading response phase?

Answer 18

Heel rocker action created

Momentum carried forward

Knee flexion initiated

Question 19

What is the ROM at the knee joint during the loading response phase?

Answer 19

15° of flexion

Question 20

What is the torque demand at the knee joint during the loading response phase?

Answer 20

Moderate intensity flexion torque

Question 21

What is the muscle action at the knee joint during the loading response phase?

Answer 21

Eccentric quad activity

Diminishing hamstring activity

Question 22

What is the functional significance at the knee joint during the loading response phase?

Answer 22

Shock absorbed

Limb stability maintained

Question 23

What is the ROM at the hip joint during the loading response phase?

Answer 23

20° of flexion

Question 24

What is the torque demand at the hip joint during the loading response phase?

Answer 24

High intensity flexion torque

Adduction torque begins

Question 25

What is the muscle action at the hip joint during the loading response phase?

Answer 25

Hip extensors and abductors active

Question 26

What is the functional significance at the hip joint during the loading response phase?

Answer 26

Hip joint, pelvis, and trunk stabilized in Sagittal and frontal planes

Question 27

What is happening with the pelvis in the loading response phase?

Answer 27

5° of forward rotation in horizontal plane

Question 28

What does the heel rocker action provide?

Answer 28

Forward progression of the entire stance limb

Question 29

What is the ROM at the subtalar joint during the loading response phase?

Answer 29

Calcaneus everts 5° Subtalar joint pronates

Question 30

What is the torque demand at the subtalar joint during the loading response phase?

Answer 30

Eversion torque

Question 31

What is the muscle action at the subtalar joint during the loading response phase?

Answer 31

Anterior and posterior Tibialis muscles contract eccentrically

Question 32

What is the functional significance at the subtalar joint during the loading response phase?

Answer 32

Assists shock absorption Induces IR of tibia which reduces rotatory stress on ankle