HELP! I'M BLEEDING OUT
What artery supplies the Levator Scapulae, Rhomboid Major, & Rhomboid Minor?
Dorsal Scapular Artery
What nerve innervates the Trapezius?
Cranial nerve XI (Accessory Nerve)
What common distal border does the supraspinatus, infraspinatus, and teres minor share?
Greater Tubercle
What bone is part of the arm, and is part of the ball and socket joint with the scapula
Humerus
What is unique about the brachialis?
It flexes the forearm in all positions
Agonist of elbow flexion
Pectoralis Major
Pectoralis Minor
Subclavius
What nerve innervates the anterior muscles of the arm?
(Bonus points if you can name the cutaneous)
Musculotaneus Nerve
Median Brachial Musculotaneus Nerve
Median Antebrachial Musculotaneus Nerve
What is the distal attachment of the Triceps Brachii
Olecrenon Process of Ulna
What muscle runs through the intertubercular groove of the humerus?
The long head of the Biceps Brachii
What does Flexor Digitorum Superficialis and Profundus have in common?
Flex digits 2-5
Which artery supplies blood to the hypothenar muscles in the hand?
Ulnar Artery
What terminal branches come off of the posterior cord?
Axillary and Radial Nerves
What common distal border do the Latissimus Dorsi and Teres Major share?
Intertubercular Groove of the Humerus
The medial epicondyle of the humerus contains proximal attachments to what forearm compartment and which nerve travels posteriorly?
Superficial Anterior Compartment
Ulnar Nerve
Name three muscles that control the thumb in the forearm
Abductor Pollicis Longus
Extensor Pollicis Longus
Extensor Pollicis Brevis
Name the two neurovascular spaces and what they contain in the posterior arm and shoulder
Quadangular Space: Axillary N. & Post. Humeral Circumflex A./V.
Lower Triangular: Profunda Brachii & Radial N.
Name the roots that each terminal branch comes off of.
Axillary (C5-C6)
Radial (C5-T1)
Ulnar (C8-T1)
Median (C6-T1)
Musculotaneus (C5-C7)
Name the proximal and distal orgins of the serratus anterior.
(Bonus points if you can name another muscle that shares the same distal orgin)
Proximal: Ribs 1-8
Distal: Medial border of scapula
(Levator Scapulae, Rhomboids)
What are the points you feel in your wrist?
Bonus points for naming which bone belongs to the medial and lateral points
Styloid Process of the Radius (medial)
Styloid Process of the Ulna (lateral)
What are the medial rotators of the upper limbs
Latissimus Dorsi
Pectoralis Major
Subscapularis
Teres Major
Deltoid
What arteries supply blood to the serratus anterior
Lateral Thoracic Artery
Superior Thoracic Artery
Draw me the brachial plexus. No need to label anything except for the roots, divisions, and terminal branches. First team to get it right wins
5 roots (C5, C6, C7, C8, T1)
Posterior (blue)
Anterior (red)
Axillary, Median, Ulnar, Radial, Musculotaneus
What is the proximal origin of the pectoralis major?
Clavicle, sternum, and costal cartilage
What are the only two points where the clavicle is connected via bone?
Acromion
Sternum
Name the 5 main ADDUCTORS of the upper limbs.
Latissimus Dorsi
Pectoralis Major
Teres Major
Coracobrachialis
Long head of Triceps Brachi