2: Motor Development

Question 1

• Nervous system development:

Answer 1

• By 6 weeks of gestation – basic form of human nervous system is complete
• The top of the neural tube develops into the parts of the brain
• The bottom closes to become the spinal cord

Question 2

• Most peripheral nerves develop from?

Answer 2

neural crest

Question 3

• Effects of Aging

Answer 3

Falls risks: postural sway increases, transitions less efficient, posture changes, movement strategies, decreased strength

Question 4

Gait changes in aging:

Answer 4

o wider base of support
o decreased step length
o increased stance phase
o Decreased arm swing
- decreased balance