Station 2: Bones Of The Upper Limb

Question 1

Upper Arm:

Humerus

Classify, Formation and Bony Landmarks (6)

Answer 1

Classify: Long

Formation: Endochondral Ossifciation

Bony Landmarks:

• Head of Humerus
• Greater Tubercle
• Lesser Tubercle
• Deltoid Tuberosity
• Medial epicondyle of humerus
• Lateral epicondyle of humerus
• Trochulea
• Coranoid fossa

Question 2

Forearm:

Radius

Classify, Formation and Bony Landmarks

Answer 2

Classify: Long

Formation: Endochondral Ossifciation

Bony Landmarks:

• Head
• Neck
• Radial Tuberosity
• Styloid Process of the radius

Question 3

Forearm:

Ulna

Classify, Formation and Bony Landmarks

Answer 3

Classify: Long

Formation: Endochondral Ossifciation

Bony Landmarks:

• Olecranon process
• Trochulear Notch
• Radial Notch
• Styloid Process of the Ulna
• Coranoid Process

Question 4

Bones of the Hand and Wrist:

Carpals

Names of all 8 Carpal bones in order.
Classify
Formation

Answer 4

"Sally Left The Party To Take Cathy Home"
From Thumb (bottom) to Pinky (bottom), then thumb (top) to pinky (top)

S= Scaphoid
L=Lunate
T=Triquetrum
P=Pisiform (only seen on the palm side)
T=Trapezium
T=Trapezoid
C=Capitate
H=Hamate

Classify: Short Bones

Formation:

Question 5

Bones of the Hand and Wrist:

Metacarpals

Name, Formation and Classification of all 5 metacarpals.

Answer 5

Thumb: 1st Metacarpal (Pollex)
Index Finger: 2nd Metacarpal
Middle Finger: 3rd Metacarpal
Ring Finger: 4th Metacarpal
Pinky: 5th Metacarpal

Classify: Short Bones

Formation:

Question 6

Bones of the Hand and Wrist:

Phalanges

Name, Formation and Classification of all Phalanges

Give an example of a phalange description

Answer 6

Phalanges

• Distal (end of finger)
• Middle
• Proximal (wrist end)

Pollex has no middle phalange

e.g. The 3rd Distal Phalange (Middle finger)

Classify: Short Bones

Formation:

Question 7

Joints of the Hand and Wrist:

Name and Classify the 7 Joints.

Answer 7

1. Distal Radioulna Joint
   - Synovial Pivot Diathrotic Nonaxial
2. Radiocarpal Joint (wrist)
   - Synovial Condyloid Diathrotic Biaxial
3. Intercarpal
   - Synovial Plane Diathrotic Nonaxial
4. Carpometacarpal (Pollex)
   - Synovial Saddle Diathrotic Biaxial
5. Carpometacarpal
   - Synovial plane Diathrotic Nonaxial
6. Metacarpophalangeal
   - Synovial Condyloid Diathrotic Biaxial
7. Interphalangeal
   - Synovial Hinge Diathrotic Uniaxial