Osteology and Arthrology of the Pectoral Girdle and Upper Limb

Name Joint 1 Including Structure and Function.

Sternoclavicular joint. Synovial (modified gliding - has some ball + socket/saddle properties). Diarthrosis (multiaxial).

Name joint 2 structure and function.

Acromioclavicular. Synovial (gliding). Diarthrosis (multiaxial?)

Name joint 3

Glenohumeral. Synovial (ball + socket). Diarthrosis (multiaxial).

Name joint 5

Humeroulnar (and radial). Synovial (hinge). Diarthrosis (uniaxial).

Name joint 6

Proximal radioulnar. Synovial (pivot). Diarthrosis uniaxial.

Identify 1

Acromial end (articulates with acromion process of scapula).

Identify 2

Facet of acromion. (Place of articulation with acromion process)

Identify 3

Conoid tubercle. Attachment site of conoid ligament.

Identify 4

Costal tuberosity

Identify 5

Sternal end

Identify 6

Sternal facet

Identify blue

Impression for the costoclavicular ligament

Identify yellow

Trapezoid line. Attachment site of trapezoid ligament.

Distinguishing superior and inferior clavicular surface?

Texture. Inferior is rough due to muscle attachment.

Identify 1

Sternoclavicular joint. Synovial (saddle), diarthrosis (multiaxial).

Identify 2

Interclavicular ligament.

Identify 3

Costoclavicular ligament (inferior surface clavicle to first rib and cartilage).

Identify 4

Anterior sternoclavicular ligament

What are the two components of the coracoclavicular ligament?

Trapezoid ligament (lateral) and conoid ligament (medial).

Identify 1

Coracoclavicular ligament

Identify 2

Conoid ligament

Identify 3

Trapezoid ligament

Identify 4 (and the joint it forms)

Acromioclavicular ligament. Forms acromioclavicular joint (synovial - sliding) diarthrosis (multiaxial)

Which surface is this?

Costal surface

Identify the bone

Scapula

Identify 1

Subscapular fossa

Identify 2

Lateral border

Identify 3

Coracoid process

Identify 4

Superior border

Identify 5

Acromion

Identify 6

Superior angle

Identify 7

Inferior angle

Identify 8

Lateral angle and glenoid cavity

What surface is this

Posterior surface

Identify 1

Supraspinous fossa

Identify 2

Coracoid process

Identify 3

Acromion

Identify 4

Infraspinous fossa

Identify red

Acromial angle

Identify 5

Spine

Identify 6

Neck

What end of the humerus is this?

Proximal

Identify 1

Greater tubercle

Identify 2

Surgical neck

Identify 3

Intertubercular groove

Identify 4

Anatomical neck

Identify 5

Head

Identify 6

Lesser tubercle

What part of the body is the humerus in?

Brachium (arm)

Name the joint including structure and function

Glenohumeral joint (glenoid cavity of scapula and head of humerus). Synovial (ball and socket), diarthrosis (multiaxial).

What end of the humerus is this?

Distal

Identify 1

Coronoid fossa

Identify 2

Radial fossa

Identify 3

Lateral epicondyle

Identify 4

Capitulum

Identify 5

Condyle

Identify 6

Trochlea

Identify 7

Medial epicondyle

Identify 1

Olecranon fossa

Identify 1

Deltoid tuberosity

Identify 2

Groove for radial nerve

Identify 1

Superior glenohumeral ligament

Identify 2

Middle glenohumeral ligament

Identify 3

Inferior glenohumeral ligament

Identify 4

Transverse humeral ligament

Identify 5

Fibrous capsule of shoulder joint

Glenoid labrum

Ring of fibrocartilage that surrounds the glenoid fossa

What are the three important features of the carpal bones?

Tubercle of scaphoid and trapezium and hook of hamate.

What type of bones are metacarpals?

Long bones (head body and shaft).

Important feature of 3rd metacarpal?

Styloid process.

Red

Distal phalanges

Blue

Middle phalanges

Green

Proximal phalanges

Yellow

Metacarpals

Purple

Carpals

Green

Intercarpal joints. Synovial (plane). Diarthrosis (multiaxial)

Blue

Carpometacarpal joints. Synovial. 1st - saddle. 2-5 gliding. Diarthrosis. (multiaxial?)

Joint between phalanges

Interphalangeal joints. Synovial (hinge) diarthrosis (uniaxial). Supported by collateral ligaments.

Joint between metacarpals and phalanges

Metacarpophalangeal joints. Synovial (ellipsoidal), diarthrosis (multiaxial)

Identify 1

Flexor retinaculum or transverse carpal ligament

List the carpal bones (in order of rows)

Proximal row: 1.) Scaphoid, 2.) Lunate, 3.) Triquetrum 4.) Pisiform

Distal row: 5.) Trapezium 6.) Trapezoid 7.) Capitate 8.) Hamate

Wrist joint

Radiocarpal joint. Synovial (ellipsoid/condyloid). Diarthrosis (biaxial)

Which finger is digit 1?

Thumb

Elbow joint complex

Humeroulnar (and humeroradial) joint. Synovial (hinge). Diarthrosis (uniaxial).

Green

Ulnar (medial) collateral ligament. Holds joint in place (like collateral ligaments of interphalangeal joints).

Green

Radial (lateral) collateral ligament.

Blue

Annular ligament

Identify this structure

Middle radioulnar joint. Fibrous (syndesmoses - joints connected by interosseous membrane). Synarthrosis.

Identify green

Ulna collateral ligament of wrist joint. (Look for pin on ulna in palmar view)

Identify blue

Annular ligament

Identify 1

Proximal radioulnar joint. Synovial (pivot). Diarthrosis (uniaxial)

What movement is this?

Opposition and reposition (return to anatomical position)

What bone and part of that bone articulates with the carpals?

The carpal articular surface of the radius articulates with scaphoid and lunate.

Identify 1

Articular facet/fovea

2

Head

3

Articular circumference

4

Neck

5

Radial tuberosity

6

Anterior border

7

Interosseous border