Question

QUESTION 18 Origin: posterior tubercles of transverse processes of C1-C4 Insertion: medial border of scapula from superior angle to spine What is the likely primary action for this skeletal muscle? shoulder abduction shoulder extension scapular elevation scapular protraction scapular depression

          QUESTION 18
Origin: posterior tubercles of transverse processes of C1-C4
Insertion: medial border of scapula from superior angle to spine
What is the likely primary action for this skeletal muscle?
shoulder abduction
shoulder extension
scapular elevation
scapular protraction
scapular depression

QUESTION 18
Origin: posterior tubercles of transverse processes of C1-C4
Insertion: medial border of scapula from superior angle to spine
What is the likely primary action for this skeletal muscle?
shoulder abduction
shoulder extension
scapular elevation
scapular protraction
scapular depression

Added by Denise S.

Biology for AP Courses

Julianne Zedalis, John Eggebrecht

Instant Answer

Solved by Expert Shveta Prithiani

Step 1

This means that the muscle starts from the vertebrae in the neck region. The insertion of the muscle is the medial border of the scapula, from the superior angle to the spine. This means that the muscle attaches to the inner edge of the shoulder blade, from the Show more…

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QUESTION 18 Origin: posterior tubercles of transverse processes of C1-C4 Insertion: medial border of scapula from superior angle to spine What is the likely primary action for this skeletal muscle? - Shoulder abduction - Shoulder extension - Scapular elevation - Scapular protraction - Scapular depression