MUSCULAR SYSTEM Flashcards
muscles work in..
antagonistic muscle pairs
name two examples of antagonistic muscle pairs
biceps and triceps
quadriceps and hamstrings
what is an isotonic muscle contraction?
a muscular contraction that results in movement
what is an isometric muscle contraction?
a muscular contraction that results in no movement
what are the three types of muscles?
involuntary
voluntary
cardiac
what do your muscles need when an athlete exercises?
they need a larger amount of oxygen being supplied
when you continue to work your body for a long period of time, without a good supply of oxygen, they start to feel tired and heavy. this is called ………
muscular fatigue
what is the definition of muscle girth?
a measurement of the circumference around your muscles when they’re flexed
can your muscle girth affect your optimum weight?
YES
what is the scientific name for the ‘calf’
gastrocnemius
what is a long term effect of exercise that leads to the increase in muscle size?
muscular hypertrophy
what can happen to our muscles if reversibility occurs?
muscular atrophy
a regular participation in exercise can improve which component of health related exercise - to do with the muscles
muscular endurance
what macronutrients helps your muscles, and why?
PROTEINS
because they help with muscle growth and repair
what does steroids do to the muscles?
increases their size and mass
as well as speeds up the time that they need to rebuild and repair the muscles
