Author Question: The ____________________ muscle is found on the inner surface of the rib cage, originating on the ... (Read 76 times)

Coya19@aol.com

  • Hero Member
  • *****
  • Posts: 601
The ___________________ _ muscle is found on the inner surface of the rib cage, originating on the margin of the sternum, with fibers coursing to the inner chondral surface of ribs 2 through 6. Contraction of this muscle resists elevation of the rib cage and decreases the volume of the thoracic cavity.
 Fill in the blank(s) with correct word

Question 2

The ___________________ ______ muscle originates on the spinous processes of C7 and T1 through T3. Fibers from these muscles course down and laterally to insert just beyond the angles of ribs 2 through 5. This group of muscles elevates the rib cage during inspiration.
 Fill in the blank(s) with correct word



makaylafy

  • Sr. Member
  • ****
  • Posts: 347
Answer to Question 1

transversus thoracis

Answer to Question 2

serratus posterior superior



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

For a complete list of videos, visit our video library