Introduction and overview of upper limb

Question 1

regions of the arm

Answer 1

• Shoulder
• Arm = Brachium
• Forearm=Antebrachium • Hand

Question 2

areas of transition between regions

Answer 2

• Axilla
• Cubitalfossa

• Carpal tunnel

Question 3

bones of the upper limb

Answer 3

• Shoulder – Clavicle

– Scapula
– Proximal humerus

• Arm
– Humerus

• Forearm – Ulna

– Radius

• Hand
– Carpals

– Metacarpals – Phalanges

Question 4

joints of the upper limb

Answer 4

Shoulder/Glenohumeraljoint

Sternoclavicularjoint

Acromioclavicularjoint

Elbow joint

Proximal & distal radioulnar joints

Wristjoint

Intercarpaljoints

Carpometacarpal joints

Metacarpophalangealjoints

Interphalangealjoints

Question 5

muscle groups of the upper limb

Answer 5

Question 6

movements of thumb

Answer 6

Question 7

venous drainage system of the upper limb

Answer 7

Deep veins accompanying arteries of the same name

Superficialveins
– Cephalic vein
– Basilic vein
– Median cubital vein

Question 8

blood supply to the upper limb

Answer 8

• Subclavian/Axillary/Brac hial Artery & its branches
• Passes from neck into upper limb via the axilla

Question 9

innervation of the upper limb

Answer 9

• Brachial plexus
– C5-T1 anterior rami – Formed in neck

– Continues into upper limb via axilla

Question 10

innervation of the upper limb #2

Answer 10

Anterior arm
– Musculocutaneousnerve

Anterior forearm – Mediannerve

Posterior arm & forearm – Radialnerve

• Hand
– Ulnar&Mediannerves