MUSCLES 1
ABILITY TO RESPOND TO STIMULUS
EXCITABILITY/IRRITABILITY
MUSCLE ON YOUR CHEST
PECTORALIS MAJOR
WHY DO MUSCLES ATROPHY?
LACK OF USE
NAME A MUSCLE IN YOUR LEG
SARTORIUS, QUADRICEP, CALVES, GASTROCNEMIUS
MUSCLE THAT EXTENDS YOUR LEG
QUADRICEPS FEMORIS
ANOTHER NAME FOR VOLUNTARY MUSCLE
SKELETAL MUSCLE
WHAT IS MUSCLE ATROPHY?
WHEN MUSCLES WASTE AWAY
FUNCTION OF CARDIAC MUSCLE
CONTRACT THE HEART TO CIRCULATE BLOOD
ABILITY TO RETURN TO ITS ORIGINAL SHAPE
ELASTICITY
PROVIDE AN EXAMPLE OF ROTATION
TWISTING YOUR BODY, SHAKING YOUR HEAD, ...
ANOTHER NAME FOR SMOOTH MUSCLE
VISCERAL
MOVING THE ARM AWAY FROM THE SIDE OF THE BODY
ABDUCTION
TURNING ON BODY PART ON ITS OWN AXIS
ROTATION
STRAIGHTENING THE LOWER LEG AWAY FROM THE UPPER LEG
EXTENSION
FUNCTION OF VISCERAL MUSCLE
CONTRACT TO CAUSE MOVEMENT IN THE BODY SYSTEMS
CAN WE CONTROL INVOLUNTARY MUSCLE?
NO
ABILITY TO BECOME SHORT AND THICK
CONTRACTILITY
ABILITY TO BE STRETCHED
EXTENSIBILITY
DECREASING THE ANGLE BETWEEN TWO BONES
FLEXION
BENDING THE LOWER ARM UP TOWARD THE UPPER ARM
FLEXION
CAN WE CONTROL VOLUNTARY MUSCLES?
YES
LIST TWO FUNCTIONS OF SKELETAL MUSCLE
VOLUNTARY MOVEMENT, PRODUCE HEAT AND ENERGY, MAINTAIN POSTURE, PROTECT INTERNAL ORGANS
THIS CONNECTS MUSCLE TO BONE
TENDON/FASCIA
SWINGING THE ARM AROUND IN A CIRCLE
CIRCUMDUCTION
....