Muscles of the Neck and Vertebrae Column Flashcards
What muscles make up the neck and vertebrae column?
The Sternocleidomastoid, Spinalis, Longissimus and Iliocostalis
Where is the origin of the Sternocleidomastoid?
The Manubrium and Clavicle
Where is the insertion of the Sternocleidomastoid?
The Mastoid Process
What is the function of the Sternocleidomastoid?
Rotation of the head and head flexion from side to side
Where is the origin of the Spinalis?
The Cervical and Thoracic vertebrae
Where is the insertion of the Spinalis?
The Superior Cervical and Thoracic Vertebrae
What is the function of the Spinalis?
Extension and Lateral flexion of the spine
Where is the origin of the Longissimus?
The Cervical, Thoracic and Lumbar vertebrae
Where is the insertion of the Longissimus?
The Mastoid Process & The Cervical and Thoracic Vertebrae
What is the function of the Longissimus?
Extension and Lateral Flexion of the Spine and Head
Where is the origin of the Iliocostalis?
The Sacrum, Lumbar vertebrae and Ribs
Where is the insertion of the Iliocostalis?
The Ribs and Cervical Vertebrae
What is the function of the Iliocostalis?
Extension and Lateral Flexion of the Spine
Which of the Spine muscles is most medial?
The Spinalis
Which of the Spine muscles is the most lateral?
The Iliocostalis
