Balance

Question 1

Vestibuloocular reflex (VOR)

Answer 1

allows for head and eye movement coordination. Supports gaze stability through eye movement that counters movements of the head

Question 2

Vestibulospinal reflex (VSR)

Answer 2

attempts the stabilize the body and control movement. The reflex assists with stability while the head is moving as well as coordination of the trunk during upright postures

Question 3

Ankle strategy

Answer 3

first strategy to be elicited by a small range and slow velocity perturbation when the feet are on the ground. Muscle groups contract distal to proximal fashion to control postural sway from the ankle joint

Question 4

Hip Strategy

Answer 4

elicited by a greater force, challenge or perturbation through the pelvis and hips. The hips will move in the opposite direction from the head in order to maintain balance.

Question 5

Suspensory strategy

Answer 5

lowers the center of gravity during standing or ambulation in order to better control the center of gravity by squatting/crouching

Question 6

Stepping strategy

Answer 6

elicited through unexpected challenges or perturbations during static standing or when the perturbation produces such a movement that the center of gravity is beyond the base of support.