What is the origin and insertion of M latissimus dorsi?

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.

Where do lats attach?

As the muscle fibers of the lats extend from the origin to the insertion point (the insertion for the lats is located on the inner aspect of your upper arm bone, just below the shoulder joint) they taper into a point. This wide origin into a pinpointed insertion forms of the muscle, a triangular-like shape.

Which of the following is the insertion of the latissimus dorsi muscle quizlet?

What is the insertion of the Latissimus dorsi muscle? crest of lesser tubercle of humerus and floor of intertubercular groove.

What joints does the latissimus dorsi cross?

The muscle runs between the trunk, via an extensive attachment and the humerus by a narrow tendon. It therefor, acts on the shoulder joint. The superior border of latissimus dorsi forms the lower border of the triangle of auscultation.

What is the best lat exercise?

  1. Deadlift. Deadlifts activate almost all your muscles in your body.
  2. Lat pulldown. Wide grip lat pulldowns are the most popular.
  3. Pull ups. Not easy to master, but works your lats beautifully.
  4. Bent over barbell row/one-arm dumbbell row. Pull the weight towards your belly.
  5. Kettlebell swing. Excellent for lower back.

How do you stretch your latissimus dorsi?

From a kneeling position, sink your hips back and place your right forearm along the floor. Lean your weight onto your right arm and stretch out your left arm, reaching out through your fingertips. You’ll feel a stretch along the side of your torso. Hold this position for a few seconds.

Do pushups work lats?

During a push-up, you’ll use your latissimus dorsi (Lats), trapezius (traps), and abdominal muscles to stabilize your pushing muscles and your lower back, legs, and glutes to maintain a perfect plank position and keep your hips from sagging.

What action does the latissimus dorsi perform?

Latissimus dorsi works collaboratively with the teres major and pectoralis major to perform actions of the upper extremity. Together, these muscles will work to adduct, medially rotate and extend the arm at the glenohumeral joint.

Which of the following is the insertion of the latissimus dorsi muscle?

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.

What does a lat tear feel like?

When your latissimus dorsi is injured, you might feel pain in your low back, mid-to-upper back, along the base of your scapula, or in the back of the shoulder. You may even feel pain along the inside of the arm, all the way down to your fingers.

Do push ups work latissimus dorsi?

Are rows good for lats?

Barbell rows and dumbbell rows are some very basic back exercises that are necessary if your routine is made up of just A-B-C, basic movements. Rows with a barbell really effect the middle back and trapezius while single-arm rows hit more outer and lower lats from my experience.