UE Osteology Flashcards
Name the two bones of the Shoulder Girdle
Clavicle
Scapula
What articulates with the Manubrium of the Sternum and the Acromion of the Scapula?
Clavicle
What end of the scapula articluates with the Manubrium of the Sternum?
Sternal end
The sternal end of the clavicle possesses an impression for what ligament?
Costoclavicular L.
The body of the clavicle contains a groove which serves as an attachment point for what muscle?
Subclavius M.
The subclavian groove is located where on the clavicle?
Body/Shaft
What part of the Acromial End of the Clavicle articulates with the Acromion?
Acromial Facet
What end of the clavicle attaches to the Conoid Ligament?
Acromial End
What ligaments attach to the Acromial End of the Scapula?
Conoid Ligament
Trapezoid Ligament
What bone is fractured in a Greenstick Fracure?
Clavicle
What bone rests on the posterior Thoracic wall?
Scapula
Name the 3 borders of the Scapula
Lateral/Axillary
Medial/Vertebral
Superior
What border of the scapula is the Suprascapular Notch located on?
Superior
What border of the scapula is the Coracoid process located on?
Superior
What artery and nerve transmit through the Suprascapular Notch?
Suprascapular A. and N.
What angle is the Scapular Head located on?
Lateral
What does the Glenoid Cavity articulate with?
Humeral head
What tubercle(s) of the scapula serves as an attachment point for the Long Head of the Biceps Brachii M.?
Infraglenoid and Supraglenoid Tubercles
What angle of the scapula is the Scapular Neck located on?
Lateral
The scapular spine is located on the anterior or posterior surface of the scapula?
Posterior
What part of the scapula articlates with the clavicle?
Acromion
What tubercle on the scapula serves as an attachment point of the Deltoid M.?
Deltoid tubercle
What are the fossas of the posterior surface of the scapula?
Supraspinatous Fossa
Infraspinatous Fossa
What is the fossa of the anterior surface of the scapula?
Suprascapular Fossa
What is the fossa of the Subscapularis M.?
Subscapular Fossa
What does the proximal end of the humerus articulate with?
Glenoid Cavity of the scapula
What does the distal end of the humerus articulate with?
Ulnar and Radial bones
What is the difference between the anatomical neck and the surgical neck of the Humerus?
Anatomical neck exists b/w the Humeral head and tubercles
Surgical neck is b/w the proximal end of the humerus and shaft (most common fx site)
What 3 muscles attach to the Greater Humeral Tubercle?
Supraspinatus M.
Infraspinatous M.
Teres Minor M.
Name the humeral attachment point for the Subscapularis M.
Lesser Humeral Tubercle
What is the humeral feature that transmits the Long Head of the Biceps Brachii M. and provides attachment for the Pectoralis Major M., Teres Major M., and Latissimus Dorsi M.?
Intertubercular Groove
What are the two main features of the body of the humerus?
Deltoid tuberosity
Groove for the Radial N.
The Groove for Radial N. transmits what 2 things?
Radial N.
Deep Brachial A.
Which humeral epicondyle provides an origin for several Antebrachial Extensors
Lateral Humeral Epicondyle
Which humeral epicondyle provides an origin for several Antebrachial Flexors
Medial Humeral Epicondyle
Which humeral epicondyle houses the Groove for the Ulnar N.?
Medial Humeral Epicondyle
What are the two articular surfaces of the Humeral Condyle?
Trochlea
Capitulum
What is the humeral surface that articulates with the Ulna?
Trochlea
What is the humeral surface that articulates with the Radius?
Capitulum
Name the fossas of the humerus
Radial Fossa
Coronoid Fossa
Olecranon Fossa
The Radial Fossa of the Humerus accomodates the Radial head when the Antebrachium is flexed or extended?
Flexed
The Coronoid Fossa accommodates the Coronoid Process of the ulna when the Antebrachium is flexed or extended?
Flexed
The Olecranon Fossa accommodates the Olecranon of the Ulna when the Antebrachium is flexed or extended?
Extended, because the Olecranon fossa is posterior while the coronoid and radial fossas are anterior
What is the difference between Coronoid Process and the Corocoid process?
The Coronoid process is part of the Ulna
The Corocoid process is part of the scapula
(There’s an N in CoroNoid and UlNa)
(There’s a C in CoroCoid and SCapula or Crow’s beak)
The Ulnar Tuberosity serves as an attachment point for what muscle?
Brachialis M.
What 2 processes of the Ulna form the Trochlear notch?
Olecranon process
Coronoid process
What ulnar process contains the Radial notch?
Coronoid process
What end of the Ulna is the Ulnar head located on?
Distal end
What end of the Ulna is the Ulnar Styloid Process located on?
Distal end
What does the proximal end of the Radius articulate with?
Humerus
Ulna
What does the distal end of the Radius articulate with?
Ulna
Proximal row of carpal bones
What does the Fovea of the Radial head articulate with?
Capitulum of the Humeral Condyle
What part of the radius serves as the attachment point for the Biceps Brachii T.?
Radial Tuberosity
What end of the radius articulates with the radius and the proximal row of carpal bones?
Distal end
What radial tubercle acts as a pulley for the Extensor Pollicis Longus M.?
Dorsal Tubercle
What carpal bones does the Radial Articular Surface for Carpal Bones articulate with?
Lunate
Scaphoid
Colle’s fracture results from fracturing the distal end of what?
Radius
Name the proximal row of Carpal bones
Scaphoid
Lunate
Triquetrum
Pisiform
Name the distal row of Carpal bones
Trapezium
Trapezoid
Capitate
Hamate
What is the largest carpal bone?
Capitate
What is the most commonly fractured Carpal bone?
Scaphoid
What two carpal bones comprise the Guyon Tunnel? What nerve passes through here?
Pisiform, Hamate
Ulnar nerve
What metacarpal bone articulates with just the Trapezium?
1st
What metacarpal bone articulates with the Trapezium and Trapezoid bones?
2nd
What metacarpal bone articulates with just the Capitate?
3rd
What metacarpal bone articulates with the Capitate and Hamate bones?
4th
What metacarpal bone articulates with just the Hamate bone?
5th
Name the 3 types of phalanges
Proximal
Middle
Distal
What type of phalange does the thumb not have?
Middle
What is the name of the fibrocartilaginous ring that surrounds and deepens the Glenoid Cavity?
Glenoid Labrum
What are the two fibrocartilagenous joints that the clavicle articulates with?
Sternoclavicular
Acromioclavicular
What is the name of the fibrocartilagenous disc b/w the medial edge of the Ulnar Notch of the Radius and the Styloid Process of the Ulna?
Articular Disc of the Distal RadioUlnar Joint