Triangles

Question 1

Posterior Cervical Triangle

Answer 1

Anterior Border: Posterior Border of the SCM
Posterior Border: Anterior Border of the Trapezius
Floor: Clavicle, Anterior Scalene, Middle Scalene, Levator Scapulae, Splenius Capitus

Question 2

Sub Occipital Triangle

Answer 2

Lateral Border: Obliquus Capitus Superior
Inferior Border: Obliquus Capitus Inferior
Medial Border: Rectus Capitus Posterior Major
Contents: Vertebral Artery C1

Question 3

Triangle of Auscultation

Answer 3

Lateral Border: Medial Border of Scapula
Inferior Border Latissimus Dorsi
Medial Border: inferior border trapezius,

Question 4

Quadrangular Space

Answer 4

Humeral shaft, teres major and minor, long head of triceps

Contents: axillary nerve, posterior humeral circumflex artery

Question 5

Clavipectoral Triangle

Answer 5

Superior: Clavicle
Lateral: Deltoid
Inferior: Pec Major
Content: Cephalic Vein

Question 6

Axilla Pyramid

Answer 6

Apex: Lateral border of first rib and posterior border of clavicle
Lat wall: Intertubercle groove of humerus
Med Wall: Serratus anterior and thoracic wall
Ant wall: pec major, pec minor, subclavian
Post Wall: subscap, teres major, lat dorsi
Content: axillary artery, axillary vein, brachial plexus cord, axillary lymph node, bicep brachi, coracobrachialis.