General Anatomy Flashcards
Supraspinatus OIAN
O: Superior scapula
I: Superior facet of greater tuberosity of humerus
A: abduction, first 30 degrees, then again over 90 degrees
N: Suprascapular n. C5,6
Infraspinatus OIAN
O: Inferior scapula
I: Middle facet of greater tuberosity
A: external rotation - primary
N: Suprascapular n. C5,6
Teres Minor OIAN
O: lateral border of scapula
I: inferior facet of greater tuberosity
A: Primary adduction, Secondary external rotation
N: Axillary n. C5,6
Subscapularis OIAN
O: Anterior scapula
I: Lesser tuberosity
A: internal rotation
N: upper and lower subscapular n. C5,6
Quadrangular space borders & contents
Superior: teres minor
Inferior: teres major
Medial: long head of biceps
Lateral: humerus
Contents: axillary nerve and posterior humeral circumflex artery
Triangular space borders and contents
Superior: teres minor
Inferior: teres major
lateral: long head of biceps
Contents: circumflex scapular artery
Triangular interval borders and contents
Superior: teres major
Medial: long head of triceps
Lateral: medial head of triceps
Contents: radial nerve in spiral groove and profunda brachii artery
Axilla borders
Anterior: pectoralis major
Posterior: teres major & latissimus dorsi
Lateral: humerus (floor of intertubercular groove)
Medial: serratus anterior
Cubital fossa borders and contents
Floor: brachialis and supinator
Roof: bicipital aponeurosis
Lateral: brachioradialis
Medial: pronator teres
Superior: imaginary line between M & L epicondyles of humerus
Contents from M—> L
-Median nerve, Brachial artery, biceps tendon, radial nerve
Petits triangle borders
Medial: latissimus dorsi
Inferior: iliac crest
Lateral: external oblique
Anatomical snuffbox borders and contents
Floor: scaphoid
Lateral: most lateral - abductor pollicis longus, then extensor pollicis brevis
Medial: extensor pollicis brevis
Contents: radial artery
Site of radial pulse = lateral to flexor carpi radialis
Femoral triangle borders and contents
Lateral: sartorius
Medial: adductor longus
Superior: inguinal ligament
Contents from M—> L
-femoral vein, artery, then nerve
Femoral vein and artery are in femoral sheath
Femoral nerve is outside the sheath
Adductor canal borders and contents
Lateral: vastus medialis
Posteriomedial: adductor longus and magnus
Anterior: sartorius
Contents: femoral vein, femoral artery, saphenous nerve
What separates the greater and lesser sciatic notches?
Ischial spine
The sciatic notches transform into sciatic foramenae via what structure?
Sacrospinous ligaments
