Does latissimus dorsi attach to the scapula?

Asked by: Nicole Wood

Latissimus dorsi attaches to the inferior angle of the scapula.

Does the latissimus dorsi connect to scapula?

The latissimus dorsi crosses the inferior angle of the scapula. A study found that, of 100 cadavers dissected: 43% had “a substantial amount” of muscular fibers in the latissimus dorsi originating from the scapula. 36% had few or no muscular fibers, but a “soft fibrous link” between the scapula and the latissimus dorsi.

Where do latissimus dorsi attach?

The muscle has attachments to the lower six vertebral spinous processes anterior to the attachment of the trapezius on the spinous processes. Through the thoracolumbar fascia latissimus dorsi attaches to the lumbar and sacral spinous processes (T6 to S5 levels), and the supraspinous ligament.

What bone is the latissimus dorsi attached to?

humerus

Latissimus Dorsi is one of four muscles responsible for the thoracobrachial motion. It is large, flat and triangular in shape originating from large parts of the lumbar region and lower thorax to insert on the humerus through a narrow tendon.

Does the latissimus dorsi depress the scapula?

Other minor depressors of the scapula include: latissimus dorsi. pectoralis major (secondarily through its action on the clavicle and humerus) trapezius.

Do the lats move the scapula?

Functionally, the latissimus dorsi muscle belongs to the muscles of the scapular motion. This muscle is able to pull the inferior angle of the scapula in various directions, producing movements on the shoulder joint (internal rotation, adduction and extension of the arm).

Do the lats retract the scapula?

Retraction is accomplished by the actions of the trapezius, rhomboids, and latissimus dorsi muscles. The elevation is accomplished by the trapezius, levator scapulae, and rhomboid muscles.

What is the origin and insertion of the latissimus dorsi?

Origin of the latissimus dorsi is from spinous processes of thoracic T7–T12, thoracolumbar fascia, iliac crest and inferior 3 or 4 ribs, inferior angle of scapula and insertion on floor of intertubercular groove of the humerus.

Are lats back or shoulders?

They make up your upper back muscle anatomy, although some of them also extend to your lower back. The superficial muscles include: Latissimus dorsi (lats), the largest muscle in the upper part of your body. It starts below your shoulder blades and extends to your spine in the lower part of your back.

Where on the scapula does the levator scapulae attach?

The levator scapulae inserts on to the vertebral margin of the scapula between the superior angle and the root of the spine.

Which of the following muscles is not attached to the scapula?

The muscle that does not attach to the scapula is the latissimus dorsi.

What muscles hold the scapula in place?

The scapula is only attached to the thorax by ligamentous attachments at the acromioclavicular joint and through a suction mechanism provided by the muscular attachments of the serratus anterior and subscapualaris.

How many muscles are attached to the scapula?

17 different muscles

It connects with the humerus at the glenohumeral joint as well as the clavicle at the acromioclavicular joint to form the shoulder joint. In total, 17 different muscles attach to the scapula, which makes it difficult to fracture.