What is resistance training?
Exercise that uses external resistance to improve strength endurance hypertrophy or power
What is strength?
The ability to exert force against resistance
What are the five categories of strength?
Starting strength relative strength maximum strength power and speed strength
What is starting strength?
The ability to recruit motor units instantly at the start of a movement
What is relative strength?
Strength relative to body weight
How is relative strength calculated?
1RM divided by body weight
What is maximum strength?
The ability to recruit as many muscle fibers as possible
What is power?
The combination of strength and speed
What is speed strength?
The ability to absorb and transmit force quickly
What equation defines power?
Force multiplied by distance divided by time
What equation defines force?
Mass multiplied by acceleration
What are the main benefit categories of strength training?
Body composition metabolic health physical capacity quality of life and longevity
How does strength training increase lean body mass?
By causing muscle hypertrophy
What is hypertrophy?
An increase in muscle fiber size
How does strength training increase resting metabolic rate?
By increasing lean muscle mass
How much can RMR increase per pound of muscle added?
About 20 calories per day
How does strength training reduce fat mass?
By increasing caloric expenditure and lean mass
How does strength training help type 2 diabetes?
Improves insulin sensitivity and glucose tolerance
What is HbA1c?
A form of hemoglobin linked to blood glucose levels
How does strength training improve cardiovascular health?
Improves cholesterol levels and reduces blood pressure
Which cholesterol is considered good?
HDL
Which cholesterol is considered bad?
LDL
How does strength training improve bone health?
Increases bone mineral density