Chapter 8 the appendicular skeleton; upper limbs

Question 1

Humerus

Answer 1

Upper arm bone, the head joins with the glenoid cavity of the scapula

Question 1

How many bones are there in the upper limbs?

Answer 1

there are 60 bones and markings

Question 2

Greater tubercle

Answer 2

The part of the humerus where the infraspinatus muscle attaches

Question 3

Lesser tubercle

Answer 3

Part of the humerus where the teres major muscle attaches

Question 4

Intertubercular sulcus/groove

Answer 4

Part of the humerus where the latissimus dorsi attaches

Question 5

deltoid tuberosity

Answer 5

part of the humerus where the deltoid muscle attaches.

Question 6

Medial epicondyle

Answer 6

Where the palmaris longus attaches

Question 7

Lateral epicondyle

Answer 7

where the extensor carpi radialis longus muscle attaches

Question 8

Trochlea

Answer 8

Part of the humerus that joins with the ulna (lower arm bone)

Question 9

What is the ulna?

Answer 9

It is a lower arm bone that is located on the medial side of the arm

Question 10

What is the olecranon tip of the ulna?

Answer 10

It is the part of the ulna that is the tip of the elbow. This is also the place where the triceps brachii attaches

Question 11

What is the coronoid process of the ulna?

Answer 11

Its where the brachialis muscle attaches

Question 12

What is the trochlear notch of the ulna?

Answer 12

Its an indentation at the top part of the ulna. It joins with the trochlea of the humerus

Question 13

What is the styloid process of the ulna?

Answer 13

It is the most inferior part of the ulna, it is a pointy spot on the ulna.

Question 14

Radius bone

Answer 14

It is the the lower arm bone that is on the lateral side

Question 15

What is the head of the radius bone?

Answer 15

it is disc shaped. It joins with the humerus and ulna

Question 16

Radial tuberosity

Answer 16

Part of the radius where the biceps brachii attaches

Question 17

Styloid process of the radius

Answer 17

it is the small pointed spot on the inferior part of the radius bone

it is where the brachioradialis muscle attaches

Question 18

How many bones are in the carpal region of the upper limbs?

Answer 18

8 bones, but we only have to know 2 the trapezium bone and the scaphoid bone

Question 19

What is the trapezium bone of the carpals (wrist)?

Answer 19

It attaches to metacarpal 1 (the thumb)

Question 20

What is the scaphoid bone of the carpal region?

Answer 20

Its the carpal bone that joins with the radius

Question 21

What are metacarpals?

Answer 21

Its your hand bones. They are numbered from 1-5 from lateral to medial (starting from thumb side)

Question 22

How many phalanges are there?

Answer 22

there are 14 total on each hand

Question 23

What are proximal phalanges and how many are there?

Answer 23

They are the phalanges that attach to the carpal bones.
there are 5 numbered 1-5 from lateral to medial (thumb side-medial)

Question 24

How many middle phalanges are there?

Answer 24

There are 4 numbered 2-5 from index finger to pinky

your thumb does not have a middle phalanx

Question 25

How many distal phalanges are there?

Answer 25

There are 5 numbered 1-5 from lateral to medial