Vertebral Column
T7 landmark
level of inferior scapular angle
Serratus Posterior innervation
Anterior(ventral) rami
Teres minor action
external rotation, weak adduction
Where dislocation of humeral head would occur and why
Anterior Inferior
No muscle to help stabilize
Arteries in the second part of the axillary artery
Thoracoacromial artery and lateral thoracic artery
Anterior displacement of a vertebrae
Spondylolisthesis
Latissimus Dorsi Action
Extension, adduction, and medial rotation of arm
Deltoid Innervation
Axillary nerve
What supports the glenohumeral joint superiorly
coracohumeral ligament
The axillary sheath contains what
Axillary artery, Axillary vein, Cords of brachial plexus
Upward extension of posterior longitudinal ligament
tectorial membrane
Interspinales, Lavatories Costarum, Intertransversarii
What is found in the quadrangular space
Axillary nerve and posterior circumflex humeral artery
What happens in a type 2 AC dislocation
Acromioclavicular ligament tears
Coracoclavicular ligament does not tear
Posterior wall of the axilla includes
Teres major, Latissimus Dorsi, Subscapularis, Scapula, Humerus
Thickened supraspinous ligaments that extend from vertebra C7 to external occipital protuberance
Ligamentum nuchae
Transversospinalis muscles action
Bilateral: Extension of spine and neck
Unilateral: Contralateral spine and head rotation
Serratus Anterior innervation
Sternoclavicular blood supply
Internal thoracic and suprascapular arteries
Arteries in the 3rd part of the axillary artery
Posterior and Anterior Circumflex Humeral Arteries and Subscapular artery
Anterior and Posterior spinal arteries blood supply is reinforced by what
Segmental medullary arteries
Trapezius innervation, vasculature and action
Innervation - accessory nerve
Vasculature - cervical transverse artery and vein
Action - Retracts scapula
Rotator Cuff muscles and their innervations
Supraspinatus and Infraspinatus - Suprascapular nerve
Teres minor - Axillary nerve
Subscapularis - Subscapular nerve
AC joint innervation
Lateral pectoral, axillary, and cutaneous lateral supraclavicular nerve
The subscapular artery branches into what arteries
thoracodorsal and circumflex scapular arteries