Joint Mobilization PDF

Nervous system divided in to : ⑧ 1- central nervous system( spinal cord- --- brain) M 2- peripheral nervous system: is net work O Loading… -- of nerves that runs --- through out the head – neck- and body and it carries message to s - -...

Nervous system divided in to : ⑧ 1- central nervous system( spinal cord- --- brain) M 2- peripheral nervous system: is net work O Loading… -- of nerves that runs --- through out the head – neck- and body and it carries message to s - - and from central nervous system -- Nerve : many neurons bundled together  Nerve cell composed of : um 1- dendrite :these are branch like structures that receive messages from other neuron and allow - = ° transmission of message to cell body ②mmm 2- cell body · 3-axon : carries Loading… electrical impulses from cell - n body to axon terminal that pass the impulses - - -mm- to another neuron - - O 4- node of Ranvier: allow for ions to diffuse in sm and out of the neuron, propagating the electrical signal down the axon ② 5- axon terminal -- 6- Schwan cell: play a vital role in maintenance ⑳ °@ ° and regeneration of axons of neuron 8 7- myelin sheath : allows electrical impulses to = transmit quickly · 8- nucleus : is the central of cell body in which - neural protein synthesis and guide the axon to generate impulses Types of connective tisues of nervous : Both two types responsible for conduction of impulses and protect the impulses send to tissues of body 1- axon- myelin- schwan cells 2-meninges Function and physiology of nervous - - system: - Peripheral system and central nervous system need to consider as one no one can do without each other. The connective tissues continuous to each other in both systems for majority function. The system continuum as the follow: - 1- connective tissues are connected continuous and ⑳ - around all organs in different shapes. -- ⑧ 2- neuron responsible for transmitted of impulses m ⑧ 3- center nervous system continuous the sending - impulses to peripheral system - -Any stress placed on body reach to center system then impulses of center nervous system reach to peripheral system -Human has ability to do highly skilled movement with connection to nervous system -So the nervous system not only receive and send impulses but also has ability to adapted to variety movement and variety ranges  Characteristics of peripheral nervous system & 1- peripheral nervous system conduct impulses and chemical traffic. Loading… & 2- it is a dynamic tissue 3- functions by stretching and sliding as result of wide Varity of body movement 4- nerves can undergo extreme elongation ⑳