How Muscles Work
No! They can only pull
What helps you avoid injury in a workout?
Good Form!
What is 1 reason to build/keep muscle lifelong?
Lowered risk of disease and chronic conditions
Joint support and strength
Improved mental well-being
Increased strength and capabilities
Increased blood flow and brain capacity
Better sleep
Stronger heart
Faster metabolism
Increased flexibility
What is the hardest-working muscle in the body?
What part of the muscle tears when you work out?
The muscle fibre
How often should you take a rest day?
Once a week
What sleep chemical does exercise increase?
Exercise increases our body's ability to make more melatonin when it's time to wind down.
What is the strongest muscle in the body? (in relation to its size)
The Masseter
It’s a muscle in your jaw. It can close your teeth with a force as great as 200 pounds on your molars.
What does your body use to make new myofibril?
Amino acids from proteins you eat, that are built back up into myofibril
What percentage of your skeletal muscles are protein?
What chemical from exercise makes you happy
Endorphins
What percentage of your body weight is muscle?
About 40% on average
What is muscle growth through an increased number of myofibril called?
Hypertrophy
How many grams of protein do you need daily to build muscles? Grams per pound of body weight
You need 0.7-1 grams of protein per pound of body weight
How does exercise make your heart stronger?
It trains your heart to be more efficient (Pump more blood in less pumps)
How many muscles are the the body? Closest number wins
At least 650 names muscles