Bones 2

What are the two main bones in the forearm?

Radius and Ulna.

How can you distinguish the radius from the ulna in terms of location?

The radius is on the lateral (thumb) side, while the ulna is on the medial (pinky) side.

What is the mnemonic for remembering the names of the carpal bones?

"Sally Left The Party To Take Cathy Home" corresponding to Scaphoid, Lunate, Triquetrum, Pisiform, Trapezium, Trapezoid, Capitate, Hamate.

What key structure marks the distal end of the radius?

The styloid process.

Identify a key palpable landmark in the pelvis.

Iliac crest.

What is the orientation of the acetabulum in the pelvis?

The acetabulum faces laterally.

What are the three components of each coxal bone?

Ilium, Ischium, and Pubis.

Describe the difference between male and female pelvis.

Female pelvis is wider and more horizontal for childbirth, while male pelvis is more vertical.

What forms the elbow joint?

The articulation of the humerus with the ulna (trochlea) and radius (capitulum).

How are the phalanges structured in the fingers compared to the thumb?

Fingers have three joints (proximal, middle, distal), while the thumb has two joints (proximal and distal).

What is the function of the sacroiliac (SI) joints?

They allow pelvic rocking and can affect the sciatic nerve if malaligned.

What is a key examination tip regarding carpal bones?

You may be asked to name a carpal bone from a model or photo.

What can cause leg pain related to the pelvic area?

SI joint dysfunction, which can impinge nerves.

What is the olecranon and where is it located?

The olecranon forms the elbow and is located at the proximal end of the ulna.

What is a key characteristic of the carpal tunnel area?

It is formed by the carpal bones at the distal radius.