Why is it called the triangle of auscultation?
[1] The floor of the triangle consists of the posterior thoracic wall which contains the rhomboid major muscle, serratus anterior muscle, and erector spinae muscles. The triangle of auscultation is an important anatomical landmark that allows for better auscultation during the pulmonary examination.
What muscles make up the triangle of auscultation?
Muscles of Triangle of auscultation:
- Lattisimus Dorsi. This muscle forms the inferior border of the triangle of auscultation and it is a large muscle.
- Trapezius. It forms the superior border of the triangle of auscultation.
- Teres Major. It forms the medial border of the triangle of auscultation.
- Infraspinatus.
What’s the triangle of auscultation?
The triangle of auscultation is a relative thinning of the musculature of the back, situated along the medial border of the scapula which allows for improved listening to the lungs.
Is the triangle of auscultation a muscle?
The triangle of auscultation is a small area of the back where three muscles (trapezius, latissimus dorsi, and rhomboideus major) converge. This area is near the scapula and becomes enlarged when a person leans forward with arms folded across the chest.
What is the lumbar triangle?
The [lumbar triangle] is a well-defined triangular space in the posterolateral lumbar region. Also known as the inferior lumbar triangle, its boundaries are: inferior, the iliac crest; anteromedial: latissimus dorsi muscle; posterolateral: posterior border of the external oblique muscle.
What is in the Clavipectoral triangle?
It contains the cephalic vein, and deltopectoral fascia, which is a layer of deep fascia that invests the three structures that make up the border of the triangle. The deltoid branch of the thoracoacromial artery also passes through this triangle, giving branches to both the deltoid and pectoralis major muscles.
What is neck triangle?
The triangles of the neck are the topographic areas of the neck bounded by the neck muscles. The sternocleidomastoid muscle divides the neck into the two major neck triangles; the anterior triangle and the posterior triangle of the neck, each of them containing a few subdivisions.
Where is a lumbar hernia?
The area between the bottom rib and the hip bone in the lower back is called the lumbar triangle, with one on each side. This area in the back of the abdominal cavity can be susceptible to hernias, albeit rare. A lumbar hernia can occur in the lumbar triangle in the lower back, presenting on the side of the abdomen.
What causes a lumbar hernia?
These hernias are associated with rib and vertebral anomalies. Primary, or spontaneous, lumbar hernias comprise about 54% of the reported cases and are associated with age, rapid weight loss, chronic disease, muscular atrophy, and strenuous physical labor.
What muscles does clavipectoral fascia invest?
The clavipectoral fascia encloses the subclavius muscle located below the clavicle and the pectoralis minor muscle (Fig. 2.10). The upper portion of the clavipectoral fascia, the costocoracoid membrane, is pierced by the cephalic vein, the lateral pectoral nerve, and branches of the thoracoacromial artery.
What branches lie in Trigonum Clavipectorale?
trigonum clavipectorale) is an anatomical triangle bordered by the following structures:
- pectoralis major muscle;
- deltoid muscle;
- clavicle.
What is the V in your neck called?
The suprasternal notch, also known as the fossa jugularis sternalis, jugular notch, or Plender gap, is a large, visible dip in between the neck in humans, between the clavicles, and above the manubrium of the sternum.