Growth and development
Mazin Al-Jadiry5 October 2015
Human Development
Lecture 2Mazin Al-Jadiry
6 October 2015Progression of gross motor milestones from birth to age 5 years
Progression of fine motor milestones from birth to 12 months
Progression of fine motor milestones from 12 months to 5 years
Developmental Milestones
4 fields with a sequence of developmentGross Motor - the development of locomotion
Vision and fine manipulation - the development of eye-hand control
Hearing & speech - the development of language
Personal & social - integration of acquired abilities to reflect understanding of environment.
At 2 months;
Social smilesHold head erects in mid-position.
Fixes & follows
At 3 months;
Holds head up,Good eye contact
Holds rattle (subject) in hand
turns to sound ear level
Head Control
Newborn
Age 6 monthsHead lag in a 5-month girl with Down syndrome
At 6 months;
Transfers hand to handChews, babbles
Sits supported (hands forward) (
Lifts head from supine
Recognize strangers
Hold own bottle
6ma 6mb
At 7-8 months;Sit alone
Drink from cup with assistance
Imitate simple acts of others
Uses a raking grasp to pull objects closer
At 9-10 months;
Rise to sitting position aloneCrawl (i.e., pull body while in prone position)
Hold one bottle with good hand-mouth coordination
Walk holding on furniture (cruises)
At 11-12 months;
Walks alone
Uses mature pincer grasp
Uses few words other than “dada/mama”
Imitates actions
Comes when called
Cooperates with dressing
Important milestones
18 months:Runs stiffly. Picks up toy without falling over.
Gets up/down stairs holding onto rail.
Begins to jump with both feet.
Build a tower of 4 cubes and throw a ball.
Imitates vertical stroke.
Has vocabulary of 10 words.
Drinks from a cup with both hands.
Feeds self with a spoon.
Important milestones
2 years:runs well.
Climb stairs.
Makes tower of 6 cubes.
Imitates horizontal stroke
Puts 3 words in sentences.
Develops control of sphincters (dry by day).
3 years:
Goes upstairs with alternate steps
Ride tricycle
Speak sentences of 6 syllables
Builds tower of 9 cubes
Copies circle
Undresses with assistance
Important milestones
4 years:
Copies cross and square.
Dresses and undresses with assistance
Attends to own toilet needs
5 years:
Copies triangle
Fluent speech with few infantile substitutions in speech
Knows 4 colours
Dresses and undresses alone
Overall Motor Milestones
MessingerSpeech Milestones
1-2 months: coos2-6 months: laughs and squeals
8-9 months babbles: mama/dada as sounds
10-12 months: “mama/dada specific
18-20 months: 20 to 30 words – 50% understood by strangers
30-36 months: almost all speech understood by strangers
Red Flags in infant development
Unable to sit alone by age 9 months
Unable to transfer objects from hand to hand by age 1 year
Abnormal pincer grip or grasp by age 15 months
Unable to walk alone by 18 months
Failure to speak recognizable words by 2 years.
Developmental Warning Signs - at any age
Family History of developmental problems; eg. deafness, cataractsMaternal concern
Persistent primitive reflexes
Persistent squint
Discordance in developmental abilities in different areas
Regression of previously acquired skills
Red flags in Development (abnormal signs or observations)
• Age• Warning sign
• 10 wks
• Not smiling
• 3 mo
• Not responding to noise or voice,
• not focusing on face,
• not vocalizing
• 5 mo
• Poor head control
• 6 mo
• Not interested in people, noises, toys.
• Does not laugh or smile.
• Primitive reflexes still present.
• Absent babbling may indicate hearing deficit. Absent smile may indicate visual loss
Red flags in Development (abnormal signs or observations)
• Age
• Warning sign
• 9-12 mo
• Not sitting,
• Not saying baba mama
• 18 mo
• Not walking, no words, no eye contact
• 3 yrs
• Unaware of surroundings, not imitating adult activities, little or no speech
• 4 yrs
• Unintelligible speech
• At any age
• Parental concern, regression of acquired skills