250 Chapter Twelve Axial Muscles Exercise 12.6: Muscles of the Anterior Neck 10.

Question

250 Chapter Twelve Axial Muscles Exercise 12.6: Muscles of the Anterior Neck 10. Match the muacies listed in column A with the class of muscles each b belongs to in column B.Answers may be used more than once Column B a. intrahyoid muscie b muscle that moves the neck c suprahyoid muscle (2 answers) Column A mylohyoid stylohyoid Exercise 12.7: Muscles That Move the Head and Neck ff. Explein how the sternocieidomastoid and splenius muscles can act as etther synergists or antagonists for the actions of neck flexion, extension and leteral rotation O O Exercise 12.0: Suboccipital Muscles and the Suboccipital Triangle 12. The three musdes that form the borders of the suboccipeal tangle are artery is located within the suboccipital triangle. Exerchse 12.9Muscles of the Vertebral Column 14. The erector spinae is a colective term for postenlortanterior (cirdte onel groups of muscles that unetion to straighten the spine. , Listvethree made groups that comeose pe erector spinseo Exercise 1210 Muscles of Respiration when the daphregn, contracted, is n nat or taped? There ere two sets of intercostas muscle ewsdes between the The Intercostals are superficial to the intercostals. 10. What Ste primary mode used for breathing? Which muades assist ced inspiration?got these muscles the ribs or elevate e gine) macies ssatinforced oprstonethese mustes depresstherboar co press the abdomen. 2 at Ust the Sree major structures that pass trough the daphraqm Q 23. There are two sets of Deeg to s is the

Explanation / Answer

10) mylohyoid and stylohyoid are suprahyoid muscles

Omohyoid is infrahyoid muscle

Longissimus capitis moves the neck.

11) sternocleidomastoid (scm) are two in number. when one muscle contracts lateral rotation of neck occurs. Contraction of one myself also causes head to tilt to the same side

When both the muscles contract flexion of neck occurs.

Synergist when two muscle produces the same action

Antagonist - when they act opposite to each other

12) rectus capitis posterior major - superomedially

Superior oblique capitis muscle - superolaterally

Inferior oblique capitis major - inferiorly

13) 3rd part of vertebral artery

14) posterior

15) I) iliocostalis

Ii) longissimus

Iii) spinalis

16) flat

17) external intercoastal muscles are superior to internal intercoastal muscles

18) diaphragm

19) external intercoastal muscles

20) internal intercoastal muscles

21) I) esophagus

Ii) inferior vena cava

Iii) aorta

22) a) rectus abdominis

B) transverse abdominal

C) abdominal internal oblique

D) quadratus lumborum

23) superficial is external oblique muscle

Deep is internal oblique muscle

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