Control of Muscle Tone;
Posture, Balance and Walking

Edwin E. Gilliam, Ph.D., R.N., University of Arizona, Department of Physiology, Psio 418: Physiology for Engineers

LECTURE OBJECTIVES

1. Transection at what levels of the central nervous system is responsible for decorticat and decerebrate posturing ??

2. What are the four tract used in the maintenance of posture and spatial orientation ??

3. What area of the brain is responsible for turning on the signal for locomotion and where do the patterns for locomotion originate ?

Maintenance of Upright Posture and Balance

The maintenance of an upright posture involves postural reflexes which include the stretch reflex and the crossed-extensor reflex which have already been discussed. Along with the maintenance of upright posture is the maintenance of balance which is a complex process in the human because o ... Read more »