Skeletal muscle

Skeletal muscle

1. Nerve and blood supply

   • Motor neuron
     • Myofibril

2. Connective tissue sheaths

   • Epimysium
     • Surrounds the entire MUSCLE.
     • Perimysium
       • Surrounds the FASCICLES(bundles of muscle fibers)
       • Endomesium
         • Surround each muscle FIBER

3. Attachments

   • Muscles attach to bone in at least 2 places (insertion, origin)
   • Insertion
     • Attachment to the movable bone
   • Origin
     • Attached to less or non movable bone

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