ACE 01 Client Comm Flashcards
Can exercise decrease incidence of osteoporosis?
Yes. osteoporosis - a medical condition in which the bones become brittle and fragile from loss of tissue, typically as a result of hormonal changes, or deficiency of calcium or vitamin D.
What is sedentary?
sedentary - lifestyle involving little or no physical activity
4 major components of physical fitness
- muscular strength and muscular endurance
- Cardiovascular or cardiorespiratory endurance/ aerobic
- Flexibility - ability to move joints through their normal full range of motion (ROM)
4, Body composition - makeup of body is relation to proportion son lean body mass - mind/ body vitality (some include this)
Essential body fat for men and women are ? % and ? %?
men: 2-5%; women 10-13%
How many % of US adults meeting both aerobic activity and muscle strengthening guidelines?
around 20%
3 Fast-acting hormones return blood glucose to normal
Catecholamines
epinephrine, norepinephrine
Insulin
Glucagon
What is ketosis
individuals who follow very low-cab, low cal weight loss diets often experience ketosis, amplified by elevated cortisol secretion.
s low acting hormones that regulates cab, fat, protein metabolism
- Cortisol
2. Growth hormone
What is ATP?
adenosine triphosphate (ATP) chemical compound required for all cellular work.
What is Cori cycle?
The cycle of lactate-to-glucose between muscle and liver is called Cori cycle.
4 mechanisms the body uses to give off heat are?
- radiation
- conduction
- convection
- evaporation
Fluid intake recommendations during exercise
2 hrs prior to exercise: drink 5-600ml
during exercise: every 10-20 mins, drink 2-300ml
following exercise: drink 450-675 for every 0.5kg body weigh lost
Weighbering exercise promotes…?
improved bone density
prevention of osteoporosis particularly in women
Two types of neuron
- Sensory - periphery to spinal cord and brain (i.e. central nervous system CNS)
- motor - from CNS to periphery
Fast-twitch (FT) muscle fibres VS Slow-twitch (ST) muscle fibres
FT - explosive power
ST - endurance
two factors of cardiac output ?
stroke volume x heart rate
what is general adaptation syndrome?
Wide variety of stressful events (inc. heavy exercise) increases in cortisol.
Delayed onset muscle soreness (DOMS) cause
caused by tissue injury from excessive mechanical force, particularly eccentric force, exerted on muscle and connective tissue.
muscle soreness appears 24 to 48 hours after strenuous exercise.
Pulmonary circuit VS systemic circuit
Pulmonary circuit - Right side of heart receives blood with high carbon dioxide, pumps to lungs
Systemic circuit - Left side of heart receives blood from lungs with high oxygen content
What is a cardiac cycle?
The period from the beginning of one heartbeat to the beginning of the next.
Systole VS Diastole
The repeating phases of contraction and relaxation are called systole and diastole.
Systole refers to the contraction phase of the cardiac cycle
Diastole refers to the relaxation phase of cardiac cycle, which blood fills the ventricles.
Where does gas exchange at lungs?
alveoli
How many Litres of air humans breathe during rest and exercise per minute?
Rest - 5 to 6 L
exercise - 20-30 L
Gi tract
a tube that extends from mouth to the anus
peristalses (peristalsis singular)
waves of contractions moving food through oesophagus, where it enters the stomach
What kind of respiration illness limit exercise?
- emphysema - degradation of the alveoli
- asthma - constriction of the breathing passages
- anemia - low hemoglobin
What is the cardiac output at rest and exercise?
5L per minute
Maximal exercise: 20-25 L per min
highly trained maximal exercise: 30-40L per min
Two categories of hormones
- steroid-derived
2. synthesised from amino acids
Principle endocrine glands are?
- Pituitary
- Thyroid
- Parathyroids
- Adrenals
- Pancreas
- Gonads