Posture

Question 1

Center of mass on Adults

Answer 1

S2

Question 2

Center of pressure

Answer 2

Center distribution of total force, sum of all forces on the floor

Question 3

Vertical line of body alignment

Answer 3

Mastoid process, anterior to shoulders, btwn ASIS and PSIS, anterior to knee joints (posterior to patella), anterior to ankle joints

Question 4

Ankle strategy

Answer 4

Small perturbation, reactive balance training
-distal to proximal movement

Question 5

Hip Strategy

Answer 5

Larger, faster perturbation
-proximal to distal movement

Question 6

Postural Control integration of systems

Answer 6

-vestibular: head in space
-vision: regulated anticipatory posture adjustments
-somatosensory: feedback from surfaces (mechanoreceptors)

Question 7

External/Internal Movements

Answer 7

External Movement
-LoG passes directly through joint: no movement
-LoG passes at a distance from joint: movement

Internal movement
-compensatory reaction to external forces

Question 8

Genu Recurvatum

Answer 8

-hyperextension of knee
>10deg

Question 9

Shoulder Girdle Abnormalities

Answer 9

-winging of scap
-excessive anterior tilt

Question 10

Swayback Posture

Answer 10

-increased lumbar lordosis and thoracic kyphosis

Question 11

Pes Planus

Answer 11

-pronated/flat foot

Question 12

Pes Cavus

Answer 12

-supinated/high arch

Question 13

Hammer Toe

Answer 13

tiny shoes
-boutinneire of toes
-pip flexed others extended

Question 14

Claw Toe

Answer 14

-pip flexed others limp

Question 15

Mallet Toe

Answer 15

-dip flexed