Nerve Roots
What are the nerve root levels for Infraspinatus?
C5, C6
What is the proximal attachment of Pronator Quadrates?
Distal 1/4 of anterior surface of Ulna
What is the distal attachment of brachioradialis?
The lateral surface of the distal end of the Radius, proximal to the styloid process.
What are the boundaries of the Quadrilateral Space?
Superior: Teres Minor
Lateral: Humerus
Inferior: Teres Major
Medial: Triceps Brachii Long Head
What does the Axillary Artery become as it travels down the arm?
Brachial Artery
What are the nerve root levels of Flexor Carpi Radialis?
C6, C7
Posterior surface of distal 1/2 of Ulna
Posterior surface of distal 1/2 of Ulna
Posterior surface of proximal 1/2 of interosseous membrane
What is the distal attachment of Extensor Carpi Radialis Longus?
What are the contents of the Triangular Interval?
Deep Brachial Artery
Radial Nerve
What is the first branch off the Axillary Artery?
The Superior Thoracic Artery
What are the nerve root levels of Pectoralis Minor?
C8, T1
Clavicular head: anterior surface of medial 1/2 of clavicle
Sternocostal head: anterior surface of sternum, superior 6 costal cartilages, and aponeurosis of external oblique muscles
What is the distal attachment of Pectoralis Minor?
Medial border of superior surface of coracoid process of scapula.
What are the contents of the Quadrilateral Space?
Axillary Nerve
Posterior Circumflex Humeral Vessels
What is the third branch off the Axillary Artery?
The Lateral Thoracic Artery
What are the nerve root levels of Flexor Digitorum Profundus?
C8, T1
What is the proximal attachment of Teres Major?
Posterior surface of inferior angle of scapula
What is the distal attachment of Triceps Brachii?
What are the boundaries of the Triangular Space?
Lateral: Triceps Brachii Long Head
Superior: Teres Minor
Inferior: Teres Major
What are the two branches of the Subscapular Artery?
1. Circumflex Scapular Artery
2. Thoracodorsal Artery
What are the nerve root levels of Extensor Carpi Radialis Brevis?
C7, C8
What is the proximal attachment of Serratus Anterior?
External surface of the lateral portion of ribs 1-8
What is the distal attachment of Coracobrachialis?
The middle 1/3 of the medial surface of the Humerus.
What are the boundaries of the Triangular Interval?
Medial: Triceps Brachii Long Head
Lateral: Triceps Brachii Lateral Head
Superior: Teres Major
What are the four branches of the Thoracoacromial Artery?
1. Clavicular
2. Acromial
3. Deltoid
4. Pectoral