Upper extemity Flashcards
Name the anterior parts of the scapula
- Acromion
- Coracoid process
- Supraglenoid tubercle
- Glenoid fossa
- Infraglenoid tubercle
- Inferior angle
- Subscapular fossa
- Superior fossa
- Scapular notch
Name the posterior parts of the scapula
- Scapular notch
- Supraspinous fossa
- Spine of scapula
- Infraspinous fossa
- Supraglenoid notch
- Acromion
Name parts of the clavicle
- Conocoid tubercle
- Acromial facet
- Sternal facet
- Trapezoid line
- Conoid tubercle
What part of the scapula divides it from the posterior side?
Spine of scapula
What rough area of the clavicle does muscles and ligaments attach to
The trapezoid line
What helps the clavicle connect to the sternum?
The articular disc
Name the three ligaments found in the rotator cuff?
- Coracoclavicular ligament
- Acromioclavicular ligament
- Coracoacromial ligament
Describe a type one shoulder joint separation?
Type one no rupture just the AC joint is hurt
Describe a type 2 shoulder joint separation
Type two has rupture off the AC joint only
Describe type three shoulder joint separation
Rupture of the AC joint and coracoclavicular joint
List the parts of the anterior humerus
- Greater Tubercle
- Lesser tubercle
- intertubercular sulcus
- Head of the humerus
- Crest of the greater tubercle
- Crest of the lesser tubercle
- Lateral supracondylar ridge
- Medial supracondylar ridge
- Lateral epicondyle
- Medial epicondyle
- Capitulum
- Trochlea
What attaches to the capitulum of the anterior humerus?
Radius
What attaches to the trochlea of the humerus?
ulna
List the parts of the posterior humerus
- Head
- Greater tubercle
- Anatomical neck of the humerus
- Surgical neck of the humerus
- Deltoid tuberosity
- Medial supracondylar ridge
- Lateral supracondylar ridge
- Medial epicondyle
- Lateral epicondyle
- Olecranon fossa
- Trochlea
What is the weak spot of the humerus that is located inside the joint capsule?
Anatomical neck of the humerus
What part of the humerus is prone to fracture?
Surgical neck of the humerus
What part of the humerus originates flexor muscles?
Medial epicondyle
What part of the humerus do extensor muscles originate from?
Lateral epicondyle
List the parts of the ulna
- Olecranon process
- Coronoid process
- Radial notch
- Ulnar tuberosity
- Head of the ulna
- Ulnar styloid process
What part of the ulna does the brachialis muscle insert to?
ulnar tuberosity
What part of our ulna can we palpate?
The olecranon process
List the parts of the radius
- Head of the radius
- Neck of the radius
- Radial tuberosity
- Ulnar notch
- Dorsal radial tubercle
- Radial styloid process
Name the three ligaments found in the elbow
- Radial collateral ligament
- Ulnar collateral ligament
- Anular ligament
What elbow ligament is involved in the nursemaids elbow?
The anular ligament
Name the palmar carpal bones
- Scaphoid “boat shaped”
- Trapezium
- Trapezoid
- Capitate
- Hamate
- Pisiform
- Triquetrum
- Lunate
Which palmar carpal bones have tubercles or hooks
Tubercle of trapezium
Hamulus (hook) of Hamate
Name the dorsal carpal bones
- Scaphoid (boat shaped)
- Trapezium
- Trapezoid
- Capitate
- Hamate
- Triquetrum
- Lunate
Name the three joints found in the hand
- Carpometacarpal joint
- Intercarpal joint
- Radiocarpal joint
Which joint found in the hand moves the most?
Radiocarpal joint
Which joint found in the hand moves the least?
Intercarpal joint
Do all fingers have a middle phalange?
all except the thumb
Name the three phalangeal joints
- Distal interphalangeal joint (DIP)
- Proximal interphalangeal joint (PIP)
- Metacarpophalangeal joint (MCP)
Where are the collateral ligaments of the phalanges located?
In between the phalangeal joints
Prevent the fingers to move side to side
Name the four types of ligaments found in the wrist
- Dorsal radiocarpal and intercarpal ligaments
- Radiocarpal collateral ligaments
- Ulnocarpal collateral ligament
- Dorsal radioulnar ligament
Where are the deep transverse metacarpal ligaments found?
Between the metacarpals
What are the Palmar plates found?
Between the phalanges
Name the three palmar ligaments of the wrist
- Palmar radiocarpal
- Ulnocarpal
- Intercarpal
Which ligament is found on the Palmar side of the hand that forms the roof of the carpal tunnel
Flexor retinaculum
Which carpal bone is prone to avascular necrosis?
The scaphoid bone
What type of deformity do the Colle’s fracture exhibit and what is fractured?
Dinner fork deformity
The distal head of the radius fracture
Name the palpable are landmarks of the upper extremity
- Superior angle of the scapula
- Spine of the scapula
- Acromion
- Greater tubercle of the humerus
- Inferior angle of the scapula
- Medial humeral epicondyle
- Lateral humeral epicondyle
- Head of the radius
- Olecranon
- Styloid process of the ulna
- Styloid process of the radius
Name three muscles of the back that are affected by the upper limb
- Trapezius
- Teres major
- Latissimus dorsi
Name the four muscles of the upper limb that relate to the scapula
- levator scapulae
- Rhomboid major and minor
- Serratus anterior
What is the proximal attachment, distal attachment and the major function of the levator scapulae
- Proximal attachments: Transverse processes of
upper cervical vertebrae - Distal attachment: Superior angle of scapula
-Major function: Elevate scapula
What is the proximal attachment, distal attachment and the major function of the rhomboid major and minor
- Proximal attachments: Lower cervical to upper
thoracic spinous processes - Distal attachment: Medial border of scapula
- Major function: Retract scapula
What is the proximal attachment, distal attachment and the major function of the serratus anterior
- Proximal attachments: Lateral thoracic wall
- Distal attachment: Medial border of scapula
- Major functions: Protract and rotate scapula
Name three types of fibers of the deltoid muscle and their attachments
- Proximal attachments
- Anterior fibers: Distal clavicle
-Middle fibers: Acromion
-Posterior fibers: Spine of scapula - Distal attachment: Deltoid tuberosity
- Major functions
-Anterior fibers: flex arm at the shoulder
-Middle fibers: abduct the arm at the shoulder
-Posterior fibers: extend arm at the shoulder
Name the major functions of the fibers of the deltoid muscle
Major functions
* Anterior fibers: flex arm at the shoulder
* Middle fibers: abduct the arm at the shoulder
* Posterior fibers: extend arm at the shoulder
Name three muscles found in the posterior side of the scapula
- Supraspinatus
- Infraspinatus
- Teres minor
Name the two muscles found in the anterior side of the scapula
- Supraspinatus
- Subscapularis
Name the proximal attachment, distal attachment, and function of the supraspinatus muscle
- Proximal attachment: Supraspinous fossa
- Distal attachment: Greater tubercle
- Function: Initiate abduction of arm
Name the proximal attachment, distal attachment, and function of the infraspinatus muscle
- Proximal attachment: Infraspinous fossa
- Distal attachment: Greater tubercle
- Function: Lateral rotation of the arm
Name the proximal attachment, distal attachment, and function of the infraspinatus muscle
- Proximal attachment: Lateral border of scapula
- Distal attachment: Greater tubercle
- Function: Lateral rotation of the arm
Name the proximal attachment, distal attachment, and function of the subscapularis muscle
- Proximal attachment: Subscapular fossa
- Distal attachment: Lesser tubercle
- Function: Medially rotate the arm
List of rotator cuff muscles
- Supraspinatus
- Infraspinatus
- Teres Minor
- Subscapularis
What is the function of the rotator cuff muscles?
Stabilize humeral head within the glenoid fossa
Which muscle does a drop arm test for?
Supraspinatus muscle - most common to be injured
Abduct shoulders to 90 ̊ degrees and slowly lower.
If arm cannot sustain position against resistance,
test is positive for supraspinatus tear.
Which muscles does the Apley test for?
- Scratch back from above (externally rotate arm) infraspinatus muscle
- Scratch back from below (internally rotate arm) subscapularis muscle
What are bursae?
Bean shaped bags filled with synovial fluid, located at high friction places
- Subacromial bursa
- Subdeltoid bursa
What’s the two muscles involved in the adduction and flexing of the arm?
Pectoralis major and coracobrachialis
List the three parts of the pectoralis major
- Clavicular part
- Sternal part
- Costal part
List the proximal attachment, distal attachments and major function of pectoralis major
- Proximal attachments: Proximal clavicle, sternum, costal cartilages
- Distal attachment: Intertubercular sulcus
- Major functions: Adduct and flex arm
List the proximal attachment, distal attachments and major function of coracobraquialis
- Proximal attachments: Coracoid process of scapula
- Distal attachment: Medial shaft of humerus
- Functions: Flex and adduct the arm
Which two muscles work to stabilize the scapula?
Pectoralis minor and subclavius
List the proximal attachment, distal attachments and major function of pectoralis minor
- Proximal attachments: Ribs 3-5
- Distal attachment: Coracoid process of scapula
- Major function: Stabilize scapula
List the proximal attachment, distal attachments and major function of subclavius
- Proximal attachments: Rib 1
- Distal attachment: Inferior surface of clavicle
- Major function: Stabilize clavicle
Name three muscles located in the anterior compartment of the arm
- Biceps brachii
- Coracobrachialis
- Braquialis
Which muscle of the anterior arm has two heads
Biceps brachii has a long head and a short head
List of proximal attachment, distal attachments, and functions of the biceps brachii
- Proximal attachments:
- Long head: Supraglenoid tubercle of scapula
- Short head: Corocoid process of scapula
- Distal attachment: Radial head (biceps tendon) and biceps
aponeurosis into forearm fascia - Major functions: Flex and supinate forearm
List of proximal attachment, distal attachments, and functions of the braquialis
- Proximal attachment: Anterior surface of distal humerus
- Distal attachment: Coronoid process of ulna
- Major function: Flex forearm
List the two muscles in the posterior compartment of the arm
Triceps and anconeous
Which muscle of the arm has three heads
Triceps brachii has a long head, a lateral head and a medial head
List of proximal attachment, distal attachments, and functions of the triceps braquii
- Proximal attachments:
- Long head: Infraglenoid tubercle
- Lateral head: Posterior lateral shaft of humerus
- Medial head: Posterior medial shaft of humerus
- Distal attachment: Olecranon process
- Major function: Extend forearm
List of proximal attachment, distal attachments, and functions of the anconius
- Proximal attachment: Lateral epicondyle of humerus
- Distal attachment: Olecranon process
- Functions: Extend forearm & stabilize elbow joint
Name the inflammation located at the elbow
Olecranon bursitis
Which side are extensors found
Posterior side
Which side are flexors found
Anterior side
Which side are radialis muscles found
On the radial (thumb) side
Which side are ulnaris muscles found
On the ulnar (little finger) side
What do the carpi muscles move?
Move the wrist and the entire hand
What do the digitorium muscles move?
Move the digits
What do the pollicis muscles move?
Move the thumb (1st digit)
What do the indicis muscles move?
Specifically move the index finger (2nd digit)
What do the digiti minimi muscles move?
Specifically move the little finger (5th digit)
Which muscle is an exception and works as a flexor which is found in the posterior compartment of the forearm
Brachioradialis
List the proximal attachments, distal attachments and major function of the braquioradialis
- Proximal attachments: Lateral supracondylar ridge
- Distal attachment: Distal radius
- Major function: Flex forearm
List the proximal attachments, distal attachments and major function of the extensor carpi radialis longus and brevis
- Proximal attachments: Lateral supracondylar ridge and lateral epicondyle
- Distal attachments: Base of 2 nd and 3rd metacarpals
- Function: Extension and radial deviation at the wrist
List the muscles of the superior layer of the posterior forearm
- braquioradialis
- Extendor carpi radialis longus
- Extensor carpi radialis brevis
- Extensor digitorium
- Extensor carpi ulnaris
- Extensor digiti minimi
List the proximal attachments, distal attachments and major function of the extensor digitorium
- Proximal attachments: Lateral epicondyle
- Distal attachment: Extensor expansion/hood of digits 2-5
- Function: Extend digits 2-5 at MCP joints through extensor expansion
List the proximal attachments, distal attachments and major function of the extensor digiti minimi
- Proximal attachments: Lateral epicondyle of humerus
- Distal attachment: Extensor expansion/hood of digit 5
- Function: Extend digit 5 at MCP joint
List the proximal attachments, distal attachments and major function of the extensor carpi ulnaris
*Proximal attachments: Lateral epicondyle of humerus
* Distal attachment: Base of 5th metacarpal
* Function: Extension and ulnar deviation at wrist
List the muscles of the deep layer from the posterior forearm
- Supinator Muscle
- Abductor pollicis longus
- Extensor pollicis longus
- Extensor pollicis brevis
- Extensor Indicis
List the proximal attachments, distal attachments and major function of the supinator muscle
- Proximal attachments: Lateral epicondyle, proximal ulna
- Distal attachment: Proximal anterolateral surface of radius
- Function: Supinate forearm