everything to know about the humerus, ulna, and radius

1

greater tubercle

2

intertubercular sulcus

3

lesser tubercle

4

radial fossa

5

lateral epicondyle

6

capitulum

7

trochlea

8

medial epicondyle

9

coronoid fossa

10

body

11

deltoid tuberosity

12

surgical neck

13

anatomical neck

14

head

15

lateral epicondyle

16

greater tubercle

1

olecranon

2

ulna

3

styloid process of the ulna

4

head of the radius

5

neck of the radius

6

radius

7

styloid process of the radius

1

head of the radius

2

neck of the radius

3

radial tuberosity

4

radius

5

styloid process of radius

6

olecranon

7

trochlear notch

8

coronoid process

9

radial notch

10

ulnar tuberosity

11

nutriantnn formen

12

head of ulna

13

styloid process of ulna

humerus, ulna, and radius are all classified as what type of bone

long bones

GH joint is what type

Synovial Ball and socket

GH joint is what

glenohumeral joint; convex head of the humerus articulating with the concave head of the glenoid fossa of the scapula

how many degrees of freedom does the GH joint have

3; flex. ext. abd. add. ext. int. rot.

What is humeroulnar joint aka elbow joint

articulation between the trochlea of the humerus and the trochlear notch of the ulna

what joint type is the humeroulnar joint

synovial hinge

how many degrees of freedom does the humeroulnar joint have

1; flexion and extension

what is humeroradial joint

articulation between the capitulum of the humerus and head of the radius

what joint type is the humeroradial joint

modified hinge / gliding joint

how many degrees of freedom does the humeroradial joint have

2; flex. ext. pronation, supination

what is proximal radioulnar joint

articulation between the rim of the radial head and the radial notch of the ulna

what joint type is the proximl radioulnar joint

synovial pivot joint

how many degrees of freedom does the proximal radioulnar joint have

1; pronation and supination

what is middle radioulnar joint

articulation between the shaft of the radius and shaft of the ulnar

what joint type is the middle radioulnar joint

fibrous syndesmosis joint

how many degrees of freedom is the middle radioulnar joint

0; non-axial

distal radioulnar joint is what

articulation between the head of he ulna, and ulnar notch of the radius.

what joint type is the distal radioulnar joint?

synovial pivot joint

how many degrees of freedom does the distal radioulnar joint have?

1; pronation and supination

what is radiocarpal joint

articulation between the distal radius and the scaphoid, lunate, and triquetrum.

what joint type is the radiocarpal joint

synovial condyloid joint

how many degrees of freedom does radiocarpal joint have

2; flex. ext. radial deviation, ulnar deviation

1

listers tubercle

what is listers tubercle

its a mechanial pulley for the thumbs extensor tendon