Developmental Growth

Measure and Development
Information from the Interior Graphic Standards by McGowan and Kruse
Age 6
- Girls are superior in accuracy of movement. Boys are superior in forceful, less complex Acts.
- Can throw with proper weight shift and stop
- Child thinks that his or her own point of view is the only one possible
- Child learns not only by sensing and doing, but by thinking as well basic understanding of cause and effect

Avg. Weight: 44 lb
Height of Seating: 11”
Min. of Clearance under table: 13.7”
Avg. Reach: 18.2”

Age7
- Balancing on one foot without looking becomes possible
- Can hop and jump accurately into small squares
- Can accurately perform jumping jack exercise
- Child realizes that others may interpret a situation a way different from his or her own
- Children can think logically about “here and now,” but not yet about abstractions

Avg. Weight: 50.4 lb
Height of Seating: 11.5”
Min. Of Clearance under table: 14.6”
Avg. Reach: 19.2”

Age 8
- Grip strength permits steady 12-pound pressure
- Girls can throw a small ball 40 feet
- Child realizes that others may interpret a situation a way different from his or her own
- Children can think logically about “here and now,” but not yet about abstractions

Avg. Weight: 56.1 lb
Height of Seating: 12.25”
Min. of Clearance under table: 15.5”
Avg. Reach: 20.3”

Age 9
- Girls can jump vertically to a height of a 8.5 inches, boys, 10 inches
- Boys can run 16.5 feet per second
- Boys can throw a ball 70 feet
- Child has reciprocal awareness, realizes others have a point of view and that others are aware that he or she has a particular point of view
- Child understands importance of letting other know that their requests have not been ignored or forgotten
- Gaining proficiency at classifying, manipulating numbers, dealing with concepts of time and space, and distinguishing reality from fantasy

Avg. Weight: 62.9 lb
Height of Seating: 12.75”
Min. of Clearance under table: 16.3”
Avg. Reach: 21.2”

Age 10
- Can judge and intercept pathways of small balls thrown from a distance
- Girls can run 17 feet per second
- Child has reciprocal awareness, realizes others have a point of view and that others are aware that he or she has a particular point of view
- Child understands importance of letting other know that their requests have not been ignored or forgotten
- Gaining proficiency at classifying, manipulating numbers, dealing with concepts of time and space, and distinguishing reality from fantasy

Avg. Weight: 70.2 lb
Height of Seating: 13.5”
Min. of Clearance under table: 17.1”
Avg. Reach: 22.4”

Age 11
- Girls are taller than boys
- Standing broad jump of 5 feet is possible for boys; 4.5 feet for girls
- Child can imagine a third person’s perspective, taking into account several different points of view
- Ability to think abstractly. Capable of hypothetical-deductive reasoning.
- Can bring to bear what has been learned in the past to solve the problems of the present, and plan for the future

Avg. Weight: 77.4 lb
Height of Seating: 14”
Min. of Clearance under table: 17.9”
Avg. Reach: 23.6”

Age 12
- Girls are taller than boys
- Standing high jump of 3 feet is possible
- Child can imagine a third person’s perspective, taking into account several different points of view (Continues through to Adulthood)
- Ability to think abstractly. Capable of hypothetical-deductive reasoning. (Continues through to Adulthood)
- Can bring to bear what has been learned in the past to solve the problems of the present, and plan for the future. (Continues through to Adulthood)

Avg. Weight: 86 lb
Height of Seating: 15”
Min. of Clearance under table: 18.6”
Avg. Reach: 24.5”

Age 13
- Girls taller than boys
- Adolescence: Person realizes that communication and mutual role thinking do not always resolve disputes over rival values. (Continues through to Adulthood)

Avg. Weight: 97.2 lb
Height of Seating: 15”
Min. of Clearance under table: 18.6”
Avg. Reach: 25.4

Age 14
- - Adolescence: Person realizes that communication and mutual role thinking do not always resolve disputes over rival values. (Continues through to Adulthood)

Avg. Weight: 110 lb
Height of Seating: 16”
Min. of Clearance under table: 19.9”
Avg. Reach: 26.2”

Age 15
Avg. Weight: 119.2 lb
Height of Seating: 16.3”
Min. of Clearance under table: 20.3”
Avg. Reach: 27”

Age 16
Avg. Weight: 129.6 lb
Height of Seating: 16.6
Min. of Clearance under table: 20.7”
Avg. Reach: 27.4”

Age 17
Avg. Weight: 132.2 lb
Height of Seating: 16.3”
Min. of Clearance under table: 20.3”
Avg. Reach: 27.2”

Age 18-18.5
Avg. Weight: 143.9 lb
Height of Seating: 16.6”
Min. of Clearance under table: 20.8”
Avg. Reach: 27.8”

Measure of Man

99 Percentile
Max. Height of Seating: 19.5”
Min. of Clearance under table: 24.5”
Avg. Reach: 31.5”

50 Percentile
Max. Height of Seating: 18”
Min. of Clearance under table: 21.7”
Avg. Reach: 28.6”

1 Percentile
Max. Height of Seating: 16.5”
Min. of Clearance under table: 18.8”
Avg. Reach: 25.5”

Measure of Woman

99 Percentile
Max. Height of Seating: 17.5”
Min. of Clearance under table: 22.4”
Avg. Reach: 28.5”

50 Percentile
Max. Height of Seating: 16.5”
Min. of Clearance under table: 16.5”
Avg. Reach: 26.5”

1 Percentile
Max. Height of Seating: 15”
Min. of Clearance under table: 17.3”
Avg. Reach: 23.5”