Which is involved in balancing on unstable surfaces?
A. (A) antigravity muscles
B. (B) vestibular informations
C. (C) propioceptive processing
D. (D) all of above
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Which two brain areas are important in adaptation of posture?
A. (A) prefrontal cortex and thalamus
B. (B) hippocampus and basal ganglia
C. (C) medulla and nucleus ambiguus
D. (D) basal ganglia and cerebellum
Which is correct about the sensory inputs during body tilt?
A. (A) large tilt angles evoke larger sensory inputs via the vestibular system
B. (B) large tilt angles evoke larger sensory inputs via the somatosensory system
C. (C) small tilt angles evoke larger sensory inputs via the vestibular system
D. (D) none of above
Which description is correct about postural orientation?
A. (A) it involves active resistance to external forces acting on the body
B. (B) it is called postural or body balance
C. (C) the positioning of body segments with respect to each other and to the environment
D. (D) all of above
Which is wrong about the automatic postural responses?
A. (A) have stereotypical temporal characteristics
B. (B) activate individual muscles rather than synergies
C. (C) change with biomechanical conditions
D. (D) have stereotypical directional characteristics
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