Study Guides (250,996)
CA (122,653)
Brock U (1,456)
LING (67)
LING 2P90 (3)

Ling 2P90- Test 1 & Cont'd Note on Breathing Apparatus.docx

6 Pages

Course Code
Richard Welland

This preview shows pages 1 and half of page 2. Sign up to view the full 6 pages of the document.
Test #1: October 1 ** must know as much detail as on the slide for test** Sakai:  Anatomical terms/ planes of ref.  Cells and tissues  Anatomy of the Breathing Apparatus (pp. 10-27, 36-39) Format:  Multiple choice  Diagrams to label *Know whether it is a thoracic rib etc. September 26, 12 Breathing Apparatus Cont’d Muscles of the Antero-Lateral Chest  Lever types o Superficial  Pectorialis major and minor muscles  Class 3 lever  Serratus anterior muscles o Class 2 lever  Deep o External Muscles of the Posterior Neck and Back  Posterior Neck and Upper back o Trapezius  Flat, triangular or kite-shaped muscle  Origins  Back of skull  C7 & T1-T2  Insertions  Clavicle  Scapula  Innervation  CN XI (accessory nerve)  Functions  Rotates, elevates and depresses scapulae  Adducts (move toward mid-line) scapulae  Moves head laterally (to the side) o People with voice disorders have troubles moving their neck side ways due the tense of their neck muscles o Rhomboid Muscles  Deep to trapezius muscle (minor and major)  Origins  C7 & T1 (minor)  T2-T5 (major)  Insertion  Medial border of scapula  Innervation  Dorsal scapular nerve (5 cervical spinal nerve)  Functions  Adducts scapulae  Rotates scapulae  Braces scapulae to the thoracic wall o Serratus Posterior Superior  Saw-like shaped  Located on upper back  Origins  C7-T1-2 or T1-3  Insertion  Rib 2 (top most rib-5 )  Innervation st th  1 - 4 thoracic spinal nerves (ventral rami)  Function  Raise 2 to 5 ribs  It will raise the ribs due to the muscles fibers being on a diagonal; when the fibers contract they will bring the origin and the insertion together which raise ribs 2-5; you will not due that during a normal breathing pattern, but under a forced inspiration or expiration  Middle and Lower Back o Lateral Iliocostalis Muscles  Belong to Erector Spinae group of deep back muscles  Spinalis  Longissimus  Lateral iliocostalis  Lateral Iliocostalis Cervicis o Origins  Ribs 3-6 o Insertions  C4-C6 vertebrae o Functions  Extend cervical section of the vertebral column  Assist with trunk rotation and lateralization  Elevate ribs 3-6  Lateral Iliocostalis Thoracis  Origins o Upper edges of ribs 7-12  Insertion o Lower edges of ribs 1-6  Functions o Extend thoracic section of vertebral column o Assist with trunk rotation and lateralization o Stabilize the rib cage  Lateral Iliocostalis Lumborum  Origins o Lumbodorsal fascia o Lumbar vertebrae o Iliac crest  Insertion o Lower edges of ribs 6 or 7-12  Function
More Less
Unlock Document
Subscribers Only

Only pages 1 and half of page 2 are available for preview. Some parts have been intentionally blurred.

Unlock Document
Subscribers Only
You're Reading a Preview

Unlock to view full version

Unlock Document
Subscribers Only

Log In


Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.