MS Med School: Naming Skeletal Muscles (thru deltoid)

Front

What do the internal intercostals allow you to do?

Back

Breathe out.

Front

Which muscle group helps to depress the abdomen during childbirth and defecation?

Back

Rectus abdominis, transversus abdominis, external obliques, and internal obliques all contribute.

Front

What muscle opposes or antagonizes the sternocleidomastoid?

Back

Trapezius.

Front

What is known as the 'talking' muscle?

Back

Massetor.

Front

What do the external intercostals allow you to do?

Back

Inhale.

Front

What is the primary function of the rectus abdominis?

Back

Flex the spine and compress the abdomen.

Front

What role do the external obliques play in the body?

Back

They assist in trunk rotation and lateral flexion.

Front

What is the function of the transversus abdominis?

Back

Stabilizes the pelvis and lower back.

Front

Which muscle is primarily responsible for shoulder abduction?

Back

Deltoid.

Front

What is the main action of the pectoralis major?

Back

Adducts and medially rotates the humerus.