Se Fixation muscles--to provide a stable or fixed basis
from which muscle may act to give precision in the performance of
any desires movement or effective action against resistace.

Exe Pisntion of upper limb, in any desired position, by action
of muscles at shoulder and elbow joints te eakhhe movements
of hands and fingers |

4 “Synergio" mscles--special type of fixation action-<
the flexon carpi elneshs and extension carpi ulmaris, which are
adductions apwrist, act together ae synergists to permit simple
abduction of the thumbs
Norve supply to muscle —
le Three of the nepve fibres to a muscle believed to
be motor | :

2. 2/5 sensory

Ss Some sympathetic nerve fibres--function net determined
MOTOR NEURONE

Dendrites

Nerve cell & its nucleus

~

Axis cylinder

Neurilemma
Medullary sheath

 

Neurilemma around axis cylinder
(no medullary sheath)

 

 

Terminal branch