Physical Development Flashcards
Growth
Variable across different parts of the body is an increase in some measured quantity such as height or weight.
Development
Complex change following an orderly sequence and is an increase in skills, abilities and capabilities.
Life stages
Infancy (0-2): Grow rapidly, reaching half their adult height by 2, run by 2 and walk by 1.
Early childhood (3-8): Grow at a steady pace, continue to develop strength and coordination.
Adolescence (9-18): growth spurts, develop sexual characteristics.
Early adulthood (19-45): young adults reach peak of physical fitness.
Middle adulthood (46-65): ageing process begins with loss of strength and coordination.
Later adulthood (65+): gradual loss of mobility, loss of height of a few cm.
Gross motor skills
Large movements using larger muscles e.g. rolling over.
Fine motor skills
Smaller movements using smaller muscles which require precise direction e.g. picking up an object.
Milestone
An ability achieved by most children by a certain age:
Sitting
Standing
Cruising
Walking
Palmer grasp
- Birth till 5 or 6 months
- When object is placed in hand the fingers will grasp with a palmer grasp.
- E.g. holding a rattle
Pincer grasp
-Occurs at 9 - 12 months
- Using index and thumb to pick up small objects
-E.g. push buttons
Tripod grasp
- Childs 3rd or 4th year
- Uses thumb, index and middle finger
- E.g. pencil skills and fastening buttons
Puberty
A period of rapid growth during which young people reach sexual maturity and become biologically able to reproduce and sexual characteristics develop.
- Girls: 11-13 years
- Boys: 13-15 years
Hormones
Chemical substances produced in the body and transported into the blood stream that control or regulate body cells or organs e.g. sex hormones.
Primary sexual characteristics
Present at birth and develop during puberty
Secondary sexual characteristics
Develop during puberty
What are the primary sexual characteristics for females?
- The uterus enlarges and vagina lengthens.
- The ovaries begin to release eggs
- The menstrual cycle commences
What are the primary sexual characteristics for males?
- Enlargement of penis and testes
What are the secondary sexual characteristics for females?
- Breasts develop and the areola swells and darkens.
- Hair grows in armpits and pubic area
- Body fat causing hips to widen
Ns
What are the secondary sexual characteristics for males?
- Changes in larynx (Adam’s apples) causing voice to deepen
- Hair grows in armpits, pubic hair and facial hair
- Redistribution of muscle tissue and fat
What is the female sex hormone and what is it responsible for?
- Oestrogen and progesterone produces by the ovaries
- Responsible for changes such as ovulation or menstruation.
What is the male sex hormone and what is it responsible for?
- Testosterone produced by the testes and stimulates sperm production
- Responsible for development of secondary sexual characteristics
Pregnancy and lactation
- During early pregnancy women experience physical and emotional changes
- Increase in progesterone which maintains pregnancy
- Increase in oestrogen which is responsible for sickness
- Pregnancy can cause mood swings
Pregnancy PIES
PHYSICAL
-Hormones affect shape and appearance of breasts
INTELLECTUAL
- Forgetfulness
- Stress
EMOTIONAL
- Mood swings
- Stress
- Low self image and self esteem
SOCIAL
- Hospital
- Parenting group
Perimenopause
- Woman hits her 40s her ovaries gradually begin to make less oestrogen
- Ovaries stop producing an egg each month
- Symptoms:
- Hot flushes - sudden feelings of warmth often with sweating and redness
- Night sweats - excessive sweating during sleep
- Loss of libido - reduced interests in or desire for sexual activity
- Vaginal dryness - lack of moisture in the vaginal area
Perimenopause PIES
PHYSICAL
- Hot flushes
- Night sweats
- Not producing an egg each month
INTELLECTUAL
- Confusing
- Lack of concentration
EMOTIONAL
- Low self esteem
- Anxiety
- Depression
SOCIAL
- Hot flushes
Middle adulthood: Effects of the ageing process
- Put on weight as they age because they eat the same amount of food as they were younger but they become much less active
- Loss of skin elasticity (saggy skin and wrinkle due to reduction in collagen
- Loss of muscle tone and stamina
- Greying hair
- Hair thinning or hair loss