Module 11

Question 1

Where does the LOG pass in the sagittal plane?

Answer 1

Mastoid process
Ant. to shoulder joint
Post. to hip joint
Ant. to knee joint
Ant. to ankle joint

Question 2

Feet have what function?

Answer 2

Stability and propulsion

Question 3

Where is the COG during sitting posture?

Answer 3

lower in space but higher in relation to the body

Question 4

What part of the body transfers the weight during the sitting posture?

Answer 4

Ischial tuberosities - sitbones

Question 5

What is the tilt of the pelvis during sitting?

Answer 5

Posterior tilt

Question 6

Supine

Answer 6

sur le dos

Question 7

Prone

Answer 7

Sur le ventre

Question 8

During prone, the spine is in what position

Answer 8

extensions

Question 8

Surfaces with pressure during supine

Answer 8

Occiput
Scapula
Spinous process
sacral bone
ischial tuberosity
Heels

Question 9

What are the elements of the posture in babies?

Answer 9

Flat feet
COG higher (T12) and anterior (big head)
BOS is larger

Question 10

What age do children start to be like adults in their postures?

Answer 10

6

Question 11

During scoliosis, which muscles become weak and which ones become shorter?

Answer 11

Short - concave
weak - convex

Question 12

Hyperkyphosis can impact what functions?

Answer 12

Shoulder and lung

often in elderly

Question 13

Hyperlordosis is accompanied with what kind of tilt?

Answer 13

Anterior pelvic tilt

Question 14

Why do we see hyperlordosis in pregnancy?

Answer 14

weak abdos and change in COG

Question 15

Swayback has what kind of tilt?

Answer 15

Anterior pelvic tilt

Question 16

What does swayback depend on?

Answer 16

Soft tissues and ligaments

Question 17

What are the knees during swayback?

Answer 17

hyperextended

Question 18

What kind of tilt does flatback has?

Answer 18

Posterior pelvic tilt

Question 19

What does flat back does to the hip movement?

Answer 19

Hyperextension

Question 20

What happens to the hip flexors during flatback?

Answer 20

Lengthened hip flexors

Question 21

What muscles are impacted during flatback?

Answer 21

Abdo shortened
Back extensors elongated
hip flexors elongated

Question 22

What sensory systems function in posture control?

Answer 22

Vestibular
Visual
Somatosensory (proprioception)

Question 23

What are the 2 systems within the vestibular system?

Answer 23

Auditory and vestibular (head position and orientation)

Question 24

What is the function of the vestibular system?

Answer 24

Head orientation
Head linear and angular acceleration

Question 25

What provides the brain with information regarding body orientation, relationship between body parts, and motion of the body in relation to the environment?

Answer 25

Visual System

Question 26

What works within the somatosensory system?

Answer 26

Join receptors (ruffini fibers)
Muscle spindles
Mechanoreceptor on foot and hand

Question 27

What are the 2 sensory integration hypothesis?

Answer 27

• Intermodal theory of sensory organization hyphothesis
• Sensory weighting hypothesis

Question 28

What is the ability to generate anticipatory and compensatory reactions to maintain posture?

Answer 28

Balance

Question 29

What is usually used for smaller perturbations to the COG?

Answer 29

Ankle strategy

Question 30

What muscle is used in the forward and backward sway in the ankle strategy?

Answer 30

Backwards - TIbialis anterior

Forward - Gastroc

Question 31

What muscles are used in the forward sway in the hip strategy?

Answer 31

Abdo and quads

Question 32

What muscles are used in the backwards sway in the hip strategy?

Answer 32

Hamstrings and Erector Spinaeq

Question 33

What strategy is used for medio-lateral perturbations?

Answer 33

Mostly hip and trunk muscles

Question 34

What is the Intermodal theory of sensory organization hypothesis in short?

Answer 34

All equal all the time

Question 35

What is the sensory weighting hypothesis?

Answer 35

Modified according to accuracy