Upper limb anatomy Flashcards
What constitutes the axial skeleton and what constitutes the appendicular skeleton?
Axial - skull, spine, ribcage
Appendicular - Shoulder, upper limbs, pelvis, lower limbs
What bones make up the upper limb?
Humerus
Radius
Ulna
What type of joint is the elbow joint?
Synovial joint
Name the 3 articulating surfaces of the elbow joint
Humero-radial
Humero-ulnar
Proximal radio-ulnar
Which joint is responsible for flexion and extension in the elbow joint?
Humero-ulnar joint
Which specific joint is responsible for rotation for pronation and supination in the elbow joint?
Proximal radio-ulnar joint
Name the 3 muscles above the elbow in the upper limbs
Bicep brachii
Brachialis
Triceps brachii
What are the muscles of the forearm? (2)
Flexors
Extensors
What separates the muscles into compartents?
Fascia
What do all muscles have in common when they are separated into compartments? (3)
Common function, blood supply, innervation
What is the cubital fossa?
Triangular depression anterior to the elbow
Important site for venipuncture
Outline the borders of the cubital fossa: Lateral Medial Superior Roof
Lateral: brachioradialis
Medial: pronator teres
Superior (base): epicondylar line (on humerus)
Roof: skin, fascia, aponeurosis (anchors muscle) of biceps brachii
Name the arteries of the upper limb (7)
Subclavian artery Axillary artery Brachial artery Radial artery Ulnar artery Palmar arches Digital arteries
Name the veins in the upper limb (venous drainage) (9)
and the 2 superficial veins
Digital veins Palmar arches Ulnar vein Radial vein Brachial vein Axillary vein Subclavian vein Brachiocephalic vein Superior vena cava
Basilic vein
Cephalic vein
Which vein is usually used in venipuncture?
Median cubital vein