WEEK 2 Motor Development Across the Lifespan

• study of how movement is learned, controlled, and changes with age

• Motor Behavior

• Motor Control

• Motor Learning

• Motor Development

Prone: Chest up with weight through forearm

-Rolls PRONE to SUPINE

• Development: 2-3 Months

• Development: 6-7 Months

• Development: 8-9 Months

• Development: 12-15 Months

Sitting: Sits independently with straight back

• Development: 2-3 Months

• Development: 6-7 Months

• Development: 8-9 Months

• Development: 12-15 Months

Mobility: Crawls forward

-Walks along furniture (cruising)

• Development: 2-3 Months

• Development: 6-7 Months

• Development: 8-9 Months

• Development: 12-15 Months

Mobility: Walks without support

• Development: 2-3 Months

• Development: 6-7 Months

• Development: 8-9 Months

• Development: 12-15 Months

• Growth in CNS slows after ___ years, but continues into adulthood

• 2

• 1

• 18

• 6

Neurological System & Aging decline after ___

• 30

• 40

• 50

• 60 and 90

• Muscle Force Production decreases __% between 60 and 90

• 30

• 10

• 40

• Decreased muscle mass beginning at ​ (a)   with 40% decrease by 80 

• Muscle Force Production decreases 30% between ​ (b)  

• 50
• 60 and 90
• 50 and 90

• Until :____Bone density increases at

• 30

• 60 and 90

• 50