1. Which vein is commonly used for venipuncture?
2. What kind (classification) of joint is the glenohumeral joint, and what movements are possible at this joint?
3. What feature of the shallow glenoid cavity helps to “deepen” this socket for articulation with the head of the humerus?
4. What muscles make up the rotator cuff?
5. What nerve is particularly vulnerable to injury in a shoulder dislocation?
6. What arteries contribute to the anastomosis around the scapula?
7. For each nerve listed, identify the muscles innervated:
- Axillary
- Dorsal scapular
- Medial pectoral
- Upper subscapular
- Lower subscapular
- Long thoracic
- Thoracodorsal
8. What are the five terminal branches of the brachial plexus?
9. Which arm muscle flexes at the elbow and is a powerful supinator?
10. Tapping the triceps tendon checks the integrity of which spinal cord levels? Which levels can be checked by tapping the biceps tendon?
11. Fracture of the midshaft of the humerus places which nerve at risk of entrapment?
12. At the proximal radioulnar (uniaxial synovial pivot) joint, which ligament keeps the radial head in the radial notch of the ulna?
13. What common site of origin is shared by superficial muscles in the anterior compartment of the forearm?
14. What are the primary actions of each of the following muscles?
- Flexor carpi radialis
- Flexor digitorum superficialis
- Flexor digitorum profundus
- Brachioradialis
- Extensor carpi ulnaris
- Extensor digitorum
- Extensor pollicis brevis
- Abductor pollicis longus
15. What are the actions and innervation of muscles of the posterior forearm compartment?
16. Which carpal bone lies deep to the anatomical snuffbox and is frequently fractured by falls on an outstretched hand?
17. What is a Colles' fracture?
18. What muscles flex the metacarpophalangeal joints and extend the proximal and distal interphalangeal joints of the middle three digits?
19. What nerve innervates the thenar eminence muscles?
20. What is the carpal tunnel?
21. Where on the hand would you test sensation for each of the following nerves?
- Median nerve
- Ulnar nerve
- Radial nerve
22. Injury of what nerve is responsible for each of the following presentations?
- Thenar atrophy
- Hypothenar atrophy
- Claw hand
- Wrist drop
- First dorsal interosseous atrophy
- Paresthesia along lateral forearm
- Paresthesia over lateral deltoid
- Weakened finger adduction
- Winging of scapula
23. Which part of the myotome is innervated by the ventral ramus of a spinal nerve?
24. What dermatome overlies each of the following structures or features?
- Shoulder
- Middle finger
- Little finger
- Elbow
- Medial arm
