Page 5 - 8.5 MUSCLES
P. 5

M
                                                                         M

                      V

                                                                                US
                                                                                                 LE
                                                                                                 LE
                                                                                           C
                                                                                US
                                                                                           C
                           OL
                                                      A
                           OL
                                      UNT
                                      UNT
                                                      A
                                                                 Y
                      V
                                                                 Y
                                                            R
                                                            R
                                                                                                                  :
                                                                                                                  :
            1. VOLUNTARY MUSCLES :
            1.


                                                                                                           S
                                                                                                           S
            1.
            1.        V    OL         UNT             A     R    Y       M      US         C     LE        S      :
                                                           o
                                                        h
                                                        h
                                                   w
                                       c
                                                        h
                                    s
                                                              s
                                                              s
                                    s
                                                           o
                                                           o
                                    s
                                                   w
                                           e
                                           e
                                              s
                                           e
                                          l
                                          l
                                          l
                                              s
                                       c

                                                   w
                                       c
                                              s


                                                                                    me
                                                                                    me
                                                                                                  i
                                                                                    me
                                                                                e
                                                                                                  i
                                                                                                  i
                                                                                e
                                                                                e
                                                                                               t
                                                                                               t


                                                                                               t
                                                                                            n

                                                                                            n
                                                                                            n
                                                                              v


                                                                      mo
                                                                      mo

                                                                 e
                                                              s
                                                                 e
                                                                 e
                                                                                                    s
                                                                                                    s
                                                                              v
                                                                              v
                                                                                                    s

                                                                      mo


                       e
                T
                       e
                    h
                    h
                    h

                T
                T


                       e
                            mu
              • •The muscles whose movement is
                            mu
                            mu
                                                                           n

                                                                           n
                                                                                      n
                                                          l
                  n
                                                                                      n


                                         c
                                                     r

                        e
                        e
                                         c
                     d
                                            o
                                            o
                                                                 r
                                                   t
                                                                                 w
                                               n
                                               n
                                                                                 w
                                                                 r
                           r
                  n
                                                          l
                                                                              o
                                                   t
                           r
                                                                              o
                                                     r
                                                       o
                                     r
                                                                   e
                                                       o

                     d
                                     r

                                                                   e
              u u u n d e  r   o  u  r   c  o  n   t r o  l   a  r e    k  n  o  w    n    a  s
              under our control are known as
                               o
                               o
                                  u
                                  u
                                                             a
                                                             a

                                                                                          a

                                                                       k

                                                                       k
                                                                                          a

                                                                                              s
                                                                                              s
              V   o  l u  n  t a  r  y    mu     s  c  l e  s  .
              Voluntary muscles.
                                                         t
                                                                   mo
                                                                   mo

                                                                              e
                                                         t
                                                                              e
                                                   o

                                                         t
                                                                           v

                     e
                                                      l
                                                                   mo
                         c
                                                                           v

                                                                           v


                W
                                                                                                o
                                                                                                o

                                        o
                                                                                         n
                                                                                            t
                                                                                            t
                                                                                            t



                                n
              • •We can control the movement of

                                     c
                                                                                                o
                                                                                                   f
                                                                                                   f
                                                                                                   f
                                                                                         n
                                                                                 me
                                                           h
                                                                                 me
                                                              e
                                                                                 me
                                                                              e
                                                r
                                                           h
                                                           h
                                              t

                             a
                                                                                         n
                                                              e
                                           n
                                                              e
                                                                 e

                                                             h
                                                                 e
                                                             h


                                                                 e
                                                             h
                                                                                   u
                                                                                   u
                                                                                      r
                                                                                      r
                                                                                o
                                                                                o
                                                                                   u
                    e
                                                                                      r
                 h
                 h
              the muscles attached to our
              t t t


                 h

                                                                                o


                                                                         t
                                                                         t
                                                                    d
                                                                    d

                                                                    d
                                                                         t

                    e


                                                                           o
                                                                           o
                    e
                                                                           o
                                                          c
                                                     t
                                        e
                                                          c
                                                     t
                                        e
                                        e
                                                          c
                        mu
                                                a
                                                       a
                                           s
                                                       a
                                                       a
                                           s
                                                a
                                                a
                                           s
                                                     t
                                sc
                                      l
                                      l
                                sc
                                                   t
                                                   t
                        mu
                                sc
                        mu
                                      l
                                                   t

                                                                       i
                                                                                   e
              skeleton as per our will. Hence,
                                              p
                               o

                                                                                   e
                                  n

                               o

                                                                       i
                                                                         l
                                                     r
                                                     r
                    e


                                                                         l
                    e
                                                                          l
                                                                               H
                                                                            .
                                              p
                                                                               H
                                                                            .
                                                                          l
                                                 e
                                                 e


                        l

                 k
                         e

                                          s
                                                                                         c
                                                                                         c
                                  n
                                                            u
                                                                                             e
                        l
                                                                                             e
                                                                                                ,
                                                                                                ,
                                                               r
                                      a
                                                               r
                                      a
                                                            u
                                                        o
                         e

                                                        o
                            t
                            t

                 k
              s s s k e l e t  o  n    a  s    p e   r   o  u  r   w   i l l .   H e  n  c   e  ,
                                                                                      n
                                                                                      n
                                                                  w
                                          s
                                                                  w
                                                                                  u
                                                                                     r
                                                                                     r
                                                                                       e
                                                                                       e
                                                                                           .
                                                                                           .
                                                                                t
                                                                                t
                                                                                  u
                                                                             a
                                                                             a
                                                                         n
                                                                   i
                                                                         n
                                                                     n
                                                                     n
              these are voluntary in nature.

              t  h  e  s  e    a  r e    v  o  l u  n  t a  r  y   i n    n  a  t u  r e   .
                                                                   i


                                  r
                                                                                      e


                    h
                                              so
                                                                   n
                                                                                   k
                                                                                   k
                                                                                   k
                                                                                      e
                                                                                      e
                                            l

                                                               w
                T
                                                                                           e

                                                                                              t
                               a
                                                                                              t
                                                            o
                                                                                              t
                                                                                           e
                                                                                                a
                                                                                         l
                                                                                                a
                                                        n
                                                                                                a
                                         a
                                                                                           e
                       e
                                                                                         l
                                                                                         l
                                                                                s

                                                                                                   l

                                                     k
                                                                                                   l
                                                                           s
                                                                                                   l
                                                                        a
                          y
                                                                                s

                                                                                s
              • •They are also known as skeletal
                                    e
                                                         e
                                                                            t
                                 s
                                                                         f
                                                                            t
                              e
                                         e
                                                                  l
                                                         e
                                         e
                                                                         f
                                                                         f
                                         e
                                                   u


                                                             a
                                                             a

                                      b
                                      b

                                      b
                                                                 l
                                                                 l
                                                                            t
                                                                 l
                                                   u

                                                             a
                                                   u

                                                                  l
                                               a
                                               a
                                                                     o
                                                      s
                                                                     o


                         c
                                                      s
                                                                              h
                                                                     o
                                            c
                                            c
              muscles because all of the
              mu
                                                      s
                                                                                  e
                      s
                                                                                  e
                                            c
                                                                                  e



                                                                              h
                            l
                                                                              h
                                                                  l

                                                         e
                                               a
                                                                                                   n
                                                                                                   n
              muscles attached to the skeleton.
                              e
                              e
                                                                                                o
                                                                                                o
                                 s
                                                                                                      .
                                 s
                                                                                                      .
              mu
              mu      s  c  l e  s    a  t t a  c  h   e  d    t o    t h  e    s  k  e  l e  t o  n  .
              mu
                         c
                         c
                                                                        h
                                                                      t
                                                       e
                                                       e
                                                                           e
                                                                           e
                                                c
                                                                        h
                                                   h
                                                   h
                                                                      t
                                                               t
                                                                 o
                                                                 o


                                                               t

                      s
                      s
                                                          d
                                                          d

                                         t
                                                                                         l
                                                                                         l
                            l
                            l
                                         t
                                                                                              t
                                      a
                                      a
                                                                                          e
                                                                                          e
                                                                                              t
                                           t
                                                                                s
                                                                                s
                                             a
                                                c


                                                                                      e
                                                                                      e
                                           t
                                             a
                                                                                   k
                                                                                   k
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