Human Anatomy - Bones in Hand and Fingers

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What is the total number of bones in the fingers and thumb?

14

Which part of the thumb is known as the first digit?

Proximal phalanx

What are the three parts of each finger, starting distally?

Distal phalanx

Which part of the metacarpal bone is located proximally?

<p>Base</p> Signup and view all the answers

What is the name of the joint between the proximal and distal phalanges of the first digit?

<p>Interphalangeal joint</p> Signup and view all the answers

What are the joints between the metacarpals and the phalanges called?

<p>Metacarpophalangeal (MCP) joints</p> Signup and view all the answers

In Fig. 4.1, what is labeled as the head of the fifth metacarpal?

<p>Head of fifth metacarpal</p> Signup and view all the answers

"Base of middle phalanx of fourth digit" is labeled as what in Fig. 4.1?

<p>&quot;Base of middle phalanx of fourth digit&quot;</p> Signup and view all the answers

"Distal interphalangeal (DIP) joint of fourth digit" is labeled as what in Fig. 4.1?

<p>&quot;Distal interphalangeal (DIP) joint of fourth digit&quot;</p> Signup and view all the answers

What is labeled as "Body of middle phalanx of second digit" in Fig. 4.1?

<p>&quot;Body of middle phalanx of second digit&quot;</p> Signup and view all the answers

What does "Interphalangeal (IP) joint tof first digit" represent in Fig. 4.1?

<p>&quot;Interphalangeal (IP) joint tof first digit&quot;</p> Signup and view all the answers

What is labeled as "Metacarpophalangeal (MCP) joint of first digit" in Fig. 4.1?

<p>&quot;Metacarpophalangeal (MCP) joint of first digit&quot;</p> Signup and view all the answers

Which carpal bone is most commonly fractured?

<p>Scaphoid</p> Signup and view all the answers

What is the name of the hooklike process extending anteriorly from the lunate?

<p>Hamulus</p> Signup and view all the answers

In the anatomic position, which bone of the forearm is located on the lateral (thumb) side?

<p>Radius</p> Signup and view all the answers

Which joint permits the forearm to rotate during supination?

<p>Proximal radioulnar joint</p> Signup and view all the answers

What is the articular portion of the medial aspect of the distal humerus called?

<p>Trochlea</p> Signup and view all the answers

The deep depression located on the posterior aspect of the distal humerus is called the __________.

<p>Olecranon fossa</p> Signup and view all the answers

What are the criteria for evaluating a true lateral position of the elbow based on the appearance of three concentric arcs?

<p>(a) Trochlear sulcus, (b) Trochlear notch</p> Signup and view all the answers

(a) Medial (b) Lateral (c) Proximal (d) Distal

<p>(a) Lateral (b) Proximal (c) Distal (d) Medial</p> Signup and view all the answers

What are the movement type and classification for interphalangeal joints?

<p>Ginglymus, Saddle</p> Signup and view all the answers

What is the joint movement type for carpometacarpal of first digit?

<p>Saddle</p> Signup and view all the answers

What is the movement type for proximal radioulnar joint?

<p>Pivot</p> Signup and view all the answers

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