CH.2 BASIC EXERCISE SCIENCE Flashcards
COMBINATION AND INTERRELATION OF THE NERVOUS, MUSCULAR, AND SKELETAL SYSTEM
HUMAN MOVEMENT SYSTEM
THE 3 SYSTEMS RESPONSIBLE FOR HUMAN MOVEMENT ARE ALSO REFERRED TO AS WHAT ?
THE KINETIC CHAIN
CONGLOMERATION OF BILLIONS OF CELLS SPECIFICALLY DESIGNED TO PROVIDE A COMMUNICATION NETWORK WITHIN THE HUMAN BODY
NERVOUS SYSTEM
ABILITY OF THE NERVOUS SYSTEM TO SENSE CHANGES IN EITHER INTERNAL OR EXTERNAL ENVIRONMENT
SENSORY FUNCTION
ABILITY OF THE NERVOUS SYSTEM TO ANALYZE AND INTERPRET SENSORY INFO TO ALLOW FOR PROPER DECISION MAKING, WHICH PRODUCES THE APPROPRIATE RESPONSE
INTEGRATIVE FUNCTION
NEUROMUSCULAR RESPONSE TO SENSORY INFO
MOTOR FUNCTION
CUMULATIVE SENSORY INPUT TO CNS FROM ALL MECHANORECEPTORS THAT SENSE BODY POSITION AND LIMB MOVEMENT
PROPRIOCEPTION
CNS IS COMPOSED OF WHAT ?
BRAIN AND SPINAL CORD
NERVOUS SYSTEM IS DIVIDED INTO WHAT 2 PARTS ?
CENTRAL AND PERIPHERAL NERVOUS SYSTEM
CONTAINS ONLY NERVES AND CONNECTS THE BRAIN AND SPINAL CORD (CNS) TO REST OF BODY
PNS
3 PRIMARY FUNCTIONS OF NERVOUS SYSTEM
SENSORY, INTEGRATIVE, AND MOTOR FUNCTIONS
NERVOUS SYSTEM IS RESPONSIBLE FOR WHAT ?
RECRUITMENT OF MUSCLES, LEARNED PATTERNS OF MOVEMENTS, AND FUNCTIONING OF EVERY ORGAN IN THE HUMAN BODY
TRAINING THE BODY’S PROPRIOCEPTIVE ABILITIES HELP IMPROVE WHAT ?
BALANCE
COORDINATION
POSTURE
AND ADAPT TO SURROUNDINGS
FUNCTIONAL UNIT OF NERVOUS SYSTEM
NEURON
TRANSMIT NERVE IMPULSES FROM EFFECTOR SITES (SUCH AS MUSCLES AND ORGANS) VIA RECEPTORS TO THE BRAIN AND SPINAL CORD
SENSORY (AFFERENT) NEURONS
NEURONS HELPS FORM WHAT OF THE NERVOUS SYSTEM ?
HELP FORM THE CORE OF NS (BRAIN, SPINAL CORD, AND PERIPHERAL GANGLIA)
SENSORY NEURONS RESPOND TO WHAT ?
TO TOUCH, SOUND, LIGHT AND OTHER STIMULI
TRANSMIT NERVE IMPULSES FROM ONE NEURON TO ANOTHER
INTERNEURONS
TRANSMIT NERVE IMPULSES FROM THE BRAIN AND SPINAL CORD TO EFFECTOR SITE
MOTOR (EFFERENT) NEURONS
PORTION OF NERVOUS SYSTEM THAT CONSIST OF BRAIN AND SPINAL CORD
CENTRAL NERVOUS SYSTEM (CNS)
CRANIAL AND SPINAL NERVES THAT SPREAD THROUGHOUT THE BODY
PERIPHERAL NERVOUS SYSTEM (PNS)
PNS CONSIST OF WHAT ?
12 CRANIAL NERVES, 31 PAIRS OF SPINAL NERVES, AND SENSORY RECEPTORS
2 MAIN FUNCTIONS OF PERIPHERAL NERVES
- PROVIDE CONNECTIONS FOR NS TO ACTIVATE DIFFERENT EFFECTOR SITES
- RELAY INFO FROM EFFECTOR SITES BACK TO BRAIN VIA SENSORY RECEPTORS
2 SUBDIVISIONS OF PNS
SOMATIC AND AUTONOMIC NERVOUS SYSTEM