main topics
what is the MAIN job of muscles
contraction
What are benefits of strength training
mental and physical health, hypertrophy
what is tetanus
bacterial infection that produces a toxin and lock jaw, usually from rusty metals
what is excitability
responds to a stimulus
movement, posture, contraction, stability, heat, contraction
what causes muscles to be sore
lactic acid
what is toticollis
a viral infection that causes baby neck muscle to twist.
what is elasticity
returns to original length when relaxed
in a bicep curl, tell me the
prime mover
antagonist
synergist
fixator
bicep
tricep
forearm muscles
traps
what happens when you overtrain
injury to muscles, fatigue, decreased performance
blepharospasm
uncontrollable muscle twitching that forces your eyes closed.
what is extensibility
stretches
name the 3 types of muscle tissue and where to find them
cardiac skeletal smooth
heart bones organs
what is muscular dystrophy
DEGENERATION OF MUSCLE TISSUE
Fibromyalgia
Fibromyalgia is a long-term condition that involves widespread body pain. The pain happens along with fatigue
what is contractility
shortens in response to stimulus
explain the steps of muscle contraction
calcium influx, actin and myosin, myosin heads bind ADP and cause a power stroke, ATP returns and head detaches. Can only happen if tropomyosin rope shows binding sites
What cardio benefits of strength training?
increased heart health and endurance, decreases fat around organs allowing for increased function
explain atrophy
muscle loss
what is origin and insertion
ORIGIN: NOT MOVING
INSERTION: IS MOVING