Cervical Spine & Shoulder Joint Flashcards
Which muscles are supplied by the musculocutaneous nerve?
BBC
what is the nerve root level of the musculocutaneous nerve?
C5,6,7
What is the nerve root level of the brachial plexus?
C4, C5 to T1
The spinal cord enlarges at what level? Why?
C4 to T1
Due to the formation of the brachial plexus
Brachial artery is a continuation of which artery?
Axillary
Which roots form the Ulnar nerve?
C7,8,T1
Radial nerve supplies which muscle?
- Biceps brachii
- Triceps
- Flexor carpi ulnaris
- Flexor carpi radialis
- Triceps
Which cords form the median nerve?
Lateral and medial
which bones does the brachial plexus pass between
clavicle and first rib
Which muscles can compress the branchial plexus?
Anterior/Posterior fibers of the scalene,
Pectoralis minor
Subscapularis
What ligament stabilizes the long head of the biceps in the bicipital groove?
Transverse humeral ligament
Which ligament of the shoulder prevents superior subluxation of the humeral head?
Coracoacromial ligament
Which ligament prevents anterior displacement of the humeral head?
Glenohumeral ligaments
specifically inferior fibres
Which ligament converts the suprascapular notch into a foreman?
Superior transverse scapular ligament
Which nerve passes through the supra scapular notch?
Suprascapular nerve
Which muscles are innervated by the Suprascapular nerve ? level
Supraspinatus, infraspinatus
C5,6
What is a myotome?
A group of muscles innervated by a specific nerve root
What is a dermatome?
A specific area of skin, innervated by a specific nerve root
What is a radiculopathy?
Radiculopathy describes a range of symptoms produced by the pinching of a nerve root in the spinal column.
Which nerve supplies sensation to the face?
Trigeminal nerve
Cranial nerve 5
On the palmer surface of the hand, which nerve root level supplies .
A. The thumb
B. Index, middle, lateral half of the ring finger
C. pinky and the medial half of the index finger
A. C6
B.C7
C.C8
What is the nerve root level of the axillary nerve?
C5,6
Which muscles are innervated by the axillary nerve?
Deltoid, teres minor
Which nerve innervates the latissimus dorsi?
Thoracodorsal nerve, C6,7,8
Which nerve innervates the 2 medial lumbricles?
Ulnar nerve
Which nerve innervates the 2 lateral lumbricles?
median nerve
What is the nerve root level of the median nerve?
C5 to T1
Which bones can compress the brachial plexus?
Inspirated first rib
Cervical rib
How many structures pass through the carpal tunnel?
Name them
10 1 median nerve 4 flexor digitorum profundus 4 flexor digitorum superficialis 1 flexor pollicus longus
The ulnar nerve passes through which tunnel?
Which bones contribute towards its formation?
Tunnel of guyon
Pisiform and hamate
Which 4 bones form the concave boundary of the carpal tunnel?
Hamate, capitate, trapazoid, trapezium
The transverse carpal ligament attaches to which 4 bones?
Trapezium, scaphoid, pisiform, hamate
Which ligament encloses and surround the head of the radius?
Annular ligament
Which ligament of the elbow joint restricts a valgus stress?
Medial ulnar collateral ligament
The medial collateral ligament of the elbow joint contains three bands. Describe the attachments of each branch.
Anterior branch
Medial epicondyle of the humerus to the coronoid process of the ulnar (sublime tubercle)
Posterior branch
Medial epicondyle of the humerus to the olecrannon process of the ulnar
Inferior bands
Joints the anterior and posterior fibres together
Which ligament of the elbow resists varus stress of the elbow joint?
lateral collateral ligament
The lateral collateral ligament of the elbow attaches from the lateral epicondyle of the humerus to?
Annular ligament
Which bursa of the elbow is situated underneath the ticeps tendon?
Subtendinous bursa
Which bursa of the elbow is situated anterior the ticeps tendon?
Olecrannon bursa
What is a double crush injury?
Compression at 2 or more locations
Which bursa is situated underneath the scapula?
Subscapular bursa
In the cervical spine which nerves exit ABOVE the level of the corresponding vertebrae?
C1 to C7
In the cervical spine which nerves exit BELOW the level of the corresponding vertebrae?
C8
Which nerve is situated between C7/T1
C8, ulnar nerve
Which condition can compress the cervical disc space?
foramina stenosis
If you have a disc condition between C5 and C6 which nerve root would be affected?
C6
If you have a disc condition between C7 and T1 which nerve root would be affected?
C8
If you have a disc condition between C2 and C3 which nerve root would be affected?
C3
Which spinal nerves form the basis of the cervical plexus?
C1 to C4
At each spinal level, paired spinal nerves leave the spinal cord via what?
Intervertebral foramina
Which nerve innervates the diaphragm? Level
Phrenic nerve
C3,4,5
The brachial plexus is composed of an upper, a middle and a lower trunk. Which single nerve root makes up the middle trunk?
c7
The brachial plexus is composed of an upper, a middle and a lower trunk. Which nerve roots makes up the upper trunk?
C5,6
The brachial plexus is composed of an upper, a middle and a lower trunk. Which nerve roots makes up the lower trunk?
C8,T1
How does the brachial plexus divide?
5 Roots 3 Trunks 6 Divisions 3 Cords 5 branches
The median nerve is formed of branches from which cords?
Lateral & medial cord
What does the posterior cord of the brachial plexus branch in to?
Axillary
Radial nerve
Name the thenar eminence muscles (L.O.A.F)?
Lateral two lumbrical
Abductor pollicis brevis
Flexor pollicis brevis
Oppenens pollicis
At which point can the ulnar nerve be palpated, and is consequently vulnerable to damage?
Cubital fossa
Your patient has recently dislocated their shoulder and now describes a numbness in what we refer to as the ‘regimental badge’ area of the arm. Which cutaneous nerve is likely to have sustained damage?
Superior Lateral Cutaneous Nerve
Winging of the scapula may be due to a neurological deficit of which nerve? Level?
Long Thoracic Nerve of Bell
C5,6,7
Which nerve supplies sensation to the medial forearm?
Medial antibrachial cutaneous nerve
Which muscles stabilizes the scapula against the thorax?
serratus anterior
What structure passes through the transverse foramen of the cervical vertebra?
Vertebral artery
What is the correct medical term for facet joints?
Zygoapohyseal joints
Which nerve innervates the Levator scapulae? Level?
Dorsal scapular nerve C5
Cervical plexus C3,4
Which artery supplies the head of the humerus?
Circumflex artery
The circumflex artery is a branch of which artery?
Axillary artery
Which artery suppleis the pec major/minor?
Lateral thoracic artery
The Lateral thoracic artery is a branch of which artery?
Axillary
The Lateral thoracic artery supplies which muscles? Nodes?
Lymphatic nodes
Pec Major/minor
Serratus anterior
Subscapularis