Podcast
Questions and Answers
What is the primary function of the latissimus dorsi muscle?
What is the primary function of the latissimus dorsi muscle?
- Abducts the shoulder
- Stabilizes the scapula
- Flexes the elbow
- Extends, adducts, and medially rotates the humerus (correct)
Where does the latissimus dorsi muscle originate from?
Where does the latissimus dorsi muscle originate from?
- Clavicle and sternum
- Inferior angle of the scapula
- Thoracolumbar fascia and iliac crest (correct)
- Spines of T6–T12 (correct)
Which nerve innervates the latissimus dorsi muscle?
Which nerve innervates the latissimus dorsi muscle?
- Thoracodorsal nerve (correct)
- Radial nerve
- Ulnar nerve
- Median nerve
Which of the following anatomical landmarks is associated with the insertion of the latissimus dorsi?
Which of the following anatomical landmarks is associated with the insertion of the latissimus dorsi?
In addition to its primary functions, what secondary action can the latissimus dorsi perform?
In addition to its primary functions, what secondary action can the latissimus dorsi perform?
Flashcards
Latissimus dorsi
Latissimus dorsi
A muscle in the back that extends, adducts, and medially rotates the humerus.
Origin of latissimus dorsi
Origin of latissimus dorsi
Spines of T6–T12, thoracolumbar fascia, and iliac crest.
Insertion of latissimus dorsi
Insertion of latissimus dorsi
Inserts into the intertubercular groove of the humerus.
Function of latissimus dorsi
Function of latissimus dorsi
Signup and view all the flashcards
Innervation of latissimus dorsi
Innervation of latissimus dorsi
Signup and view all the flashcards
Study Notes
Latissimus Dorsi Muscle
- Origin: Spines of T6–T12 vertebrae, thoracolumbar fascia, and iliac crest.
- Insertion: Intertubercular groove of the humerus.
- Action: Extends, adducts, and medially rotates the humerus.
- Nerve Supply: Thoracodorsal nerve.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
