Page 5 - 8.4 JOINTS
P. 5

B
                                                      B
                                                A
                                                      B
                                                           LE

                                                           LE
                                                           LE
                                     O
                                           V
                                     O
                                     O
                                                A
                                                A
                                           V
                                           V

                                                                                                S
                                                                                                S
                                                                                                        :
                                                                                                        :


                                                                                                S

                                                                        JOI
                                                                        JOI

                                                                        JOI
                                                                                     NT
                                                                                                        :
                                                                                     NT
                                                                                     NT
                              M M M
                              MOVABLE JOINTS :
                                                                    s
                                                                    s
                                                                    s
                                                                                                         he
                                                                                                         he
                                 T
                                                  joint
                                 T
                                                  joint
                                 T
                                                  joint
                                                                         w
                              • •The joints where the
                                                                                              e
                                                                                              e
                                                                                                      t
                                                                                                      t
                                                                                                      t
                                                                                              e
                                                                                 her
                                                                         w
                                                                         w
                                                                                                         he
                                                                                 her
                                                                                 her
                                      he
                                      he
                                      he
                              joined
                                                                                                               v
                              joined
                                                                                                               v
                                                         bones
                                                         bones
                                                         bones
                                                                                 can mo
                                                                                                                   e
                                                                                 can mo
                                                                                                                   e
                                                                                 can mo
                                                                                                               v
                              joined
                                                                                                                   e
                              joined bones can move
                                                                                             ble joint
                                                                                    v
                                                                        mo
                                                                        mo
                                                                                    v
                                                                                             ble joint
                                                                                        a
                                                                                        a
                                                                                                                             s
                              ar      e       called                    mo          v   a    ble joint                       s   .
                                                                                                                             s
                              are called movable joints.
                                                                                 s
                                                                                 s
                                                                                 s
                                 I
                                           s
                                           s
                                    n
                                    n
                                    n
                                           s
                                               uc
                                               uc
                                               uc
                                 I
                                                                                      , a
                                                                                      , a
                                                         h joint
                                                         h joint
                                                         h joint
                                                                                      , a
                                 I
                              • •In such joints, a
                                                                              luid is
                                                                              luid is
                                                                              luid is
                              lubricating fluid is
                              lubr
                              lubr
                              lubr



                                                             ing
                                             ica
                                             ica
                                                             ing
                                                         t
                                                         t
                                                         t
                                                                           f
                                             ica
                                                             ing
                                                                           f
                                                                           f
                                                               bet

                                                               bet
                                                               bet

                                                ent
                                                ent
                                                                                                      he
                                                ent

                                                                                                      he
                                                                                                      he
                                      es
                                      es
                              pr
                              pr
                              pr
                                                                           w
                                                                           w
                                                                           w
                                      es
                              present between the
                                                                                  een t
                                                                                  een t
                                                                                  een t
                                                                                                               hem
                                                                                                               hem
                                                      ,
                                                      ,
                                                                  hic
                                                                                                           t
                                                                  hic
                                                                             h
                                                                                                           t
                                                                             h
                                                           w
                              bones                   ,    w      hic        h       allo          w       t   hem
                                                           w
                              bones
                              bones
                                                                                     allo
                                                                                     allo
                                                                                                   w
                              bones, which allow them
                                                                                                   w
                                                    v
                                         mo
                                                    v
                                                         e
                                                         e
                              to move smoothly.
                              t t t o    mo         v    e      s   moot                hl      y  .
                                 o
                                         mo
                                 o
                                                                                                y
                                                                                        hl
                                                                                                y
                                                                                                   .
                                                                                                   .
                                                                s
                                                                s
                                                                    moot
                                                                                        hl
                                                                    moot
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