Articulation Models: Ball & Socket/Plane/Saddle Joints

Humerus

Function: articulates with glenoid cavity of scapula proximally, ulna & radius distally

A

Acromion

Function: articulates with the lateral end of clavicle

B

Acromial end of the Clavicle

C

Clavicle

D

Scapula

E

Glenoid Cavity

Function: articulates w/ humerus proximally

F

Head of the Humerus

G

Plane Joint

H

Saddle Joint

I

Ball & Socket Joint

J

Medial/Sternal end of the Clavicle

K

Radial Fossa

1

Humerus

Function: articulates w/ glenoid cavity of scapula proximally, ulna & radius distally

2

Coronoid Fossa

Function: articulates w/ coronoid process of ulna

3

Trochlea

Function: articulates w/ trochlear notch of the ulna

4

Trochlear Notch

Function: aligns w/ trochlea of humerus

5

Coronoid Process

Function: fits into coronoid fossa of humerus

6

Ulna

Function: articulates w/ radius & humerus proximally, medial carpals distally

7

Pivot Joint

8

Radius

Function: articulates w/ humerus & ulna proximally, carpals distally

9

Radial Head

10

Capitulum

Function: articulates w/ radial head

11

Radius

Function: articulates w/ humerus + ulna proximally, carpals distally

12

Humerus

Function: articulates w/ glenoid cavity of scapula proximally, ulna + radius distally

13

Olecranon Process

Function: fits into olecranon fossa of humerus

14

Olecranon Fossa

Function: fits into olecranon process of humerus

15

Hinge Joint

16

Ulna

Function: articulates w/ radius & humerus proximally, medial carpals distally

17

Illium

A

Coxal Bone

B

Pubic Bone

Function: provides pelvic stability

C

Head of Femur

D

Femur

Function: articulates proximally w/ pelvic acetabulum, distally w/ the tibia + patella

E

Acetabulum

Function: enables movement

smaller/farther apart in women

larger/closer together in men

F

Illium

G

Ball & Socket Joint

H

Pubic Bone

Function: provides pelvic support

I

Ischium

J

Obturator Foramen

Function: allows nerves & blood vessels to run from the pelvic cavity into the thigh

K

Femur

Function: articulates proximally w/ pelvic acetabulum, distally w/ the tibia + patella

L

Femur

Function: articulates proximally w/ pelvic acetabulum, distally w/ the tibia + patella

1

Facet for Medial Condyle of Femur

2

Medial Condyle

Function: articulates w/ meniscus (ex: femur)

3

Patella

Function: guards the knee joint

4

Tibia

Function: articulates w/ femur proximally, talus distally

5

Fibula

Function: articulates w/ tibia proximally & distally, talus distally

6

Patellar Surface

7

Femur

Function: articulates w/ pelvic acetabulum proximally & tibia/fibula/patella distally

8

Patellar Surface

9

Patella

Function: guards knee joint

10

Facet for Lateral Condyle of Femur

11

Tibia

Function: articulates w/ femur proximally, talus distally

12

Fibula

Function: articulates w/ tibia proximally & distally, talus distally

13

Hinge Joint

14

Lateral Condyle

Function: articulates w/ meniscus (ex: femur)

15

Plane Joint

16