muscular system Flashcards
different types of muscle
voluntary (skeletal) muscles
attached to the skeleton.
are under your conscious control.
help move the body.
different types of muscle
involuntary (smooth) muscles
work internal organs.
don’t consciously control them.
example of involuntary muscle
the cardiac muscle is a type of involuntary muscle that forms the heart.
it never gets tired, the heart can pump blood around your body all the time.
during exercise, voluntary muscles need oxygen so they can move the body.
when the heart beats, it pumps blood carrying oxygen to these muscles
voluntary muscles
biceps
upper front arm
flexion at elbow
when curling weights
voluntary muscles
triceps
upper back arm
extension at elbow
during a jump shot in netball
voluntary muscles
pectorals
adduction and flexion (horizontally) at shoulder
forehand drive in tennis
voluntary muscles
hip flexors
hip
flexion of the leg at the hip
lifting the knee when sprinting
voluntary muscles
gluteals
booty
extension, rotation and abduction of the leg at the hip
pushing the body forwards when running
voluntary muscles
trapezius
the back, above shoulder blades
extension at the neck (tilting head back)
preparing to head a football
voluntary muscles
deltoid
shoulder
flexion, extension, abduction or circumduction at the shoulder
during front crawl in swimming
voluntary muscles
latissimus dorsi
lower back
extension, adduction or rotation at the shoulder
butterfly stroke in swimming
voluntary muscles
hamstring
upper back leg
flexion at the knee
bringing the foot back before kicking a football
voluntary muscles
quadriceps
front upper leg
extension at the knee
standing on the toes in ballet pointe work
voluntary muscles
gastrocnemius
calf
plantar-flexion at the ankle
during a heel side turn in snowboarding
voluntary muscles
abdominals
ABS
flexion at the waist
during a sit up
