The Upper limb Flashcards

Bones and muscles of the Upper limb

1
Q

___________ attach the limbs to the axial skeleton

A

Girdles

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2
Q

Each upper limb has _____ bones

A

32

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3
Q

The pectoral (shoulder) girdle has ______ bones and the free part has ________bones

A

pectoral (shoulder) girdle: 2 bones
free part : 30 bones

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4
Q

The upper limb consists of the total number of——– bones.

A

30 bones.
These include the
bones of the arm (humerus),
forearm (radius and ulna),
wrist (carpals),
hand (metacarpals), and
fingers (phalanges).

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5
Q

The structure on the proximal end of the humerus ——— is subjected to fracture/injury.

A

surgical neck of the humerus

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6
Q

The head of the humerus articulates with———-.

A

glenoid cavity of the scapula

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7
Q

————of the humerus accommodates the head of the radius

A

_Capitulum

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8
Q

Posterior depression on the distal end of the humerus is———-.

A

Olecranon fossa

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9
Q

Capitulum of the humerus articulates with—–

A

head of the radius

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10
Q

——–serves as the attachment for the tendon of the deltoid muscle.

A

Deltoid tuberosity

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11
Q

The posterior side of the distal end of the ulna has a prominence (tip of the elbow) called————–.

A

Olecranon

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12
Q

The radial notch of the ulna articulates with ————-.

A

head of the radius.

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13
Q

A fibrous connective tissue between the radius and ulna is————–.

A

Interosseous membrane

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14
Q

Fracture the ——–of the radius is the most common in adults older than 50 years.

A

distal end of the radius,

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15
Q

—— is the point of attachment for the tendons of the biceps brachii.

A

radial tuberosity.

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16
Q

The distal end of the radius articulates with two bones of the wrist are——-, ——–.

A

Scaphoid and Lunate.

17
Q

The proximal row of carpal bones articulate with the distal end of the —— and ——–.

A

radius and ulna.

18
Q

In about 70% of the carpal fractures, only the ——–is broken.

A

Scaphoid bone

19
Q

The heads of metacarpals articulate with the proximal phalanges to form the ————-joint.

A

metacarpophalangeal (MP) joint (Knuckles)

20
Q

————is the joint between the bones of the phalanges.

A

Interphalangeal joint (IP)

21
Q

——- is another term used for the thumb.

22
Q

There are ———phalanges (finger bones) in the five digits of each hand.

A

14 phalanges

23
Q

The thumb has only——-phalanges.

A

2 phalanges

24
Q

The joint between metacarpals and phalanges is the ——- type of joint.

A

condyloid or ellipsoidal joint

25
What's the site of the epiphyseal plate in the humerus?
Anatomical neck of the scapula
26
What's the tendons of the forearm muscles attachment?
Epicondyles
27
_________ is the longest and the strongest bone of the upper limb
Humerus
28
To which structure of the scapula/pectoral girdle does the head of the humerus articulate with?
glenoid cavity of the scapula. This articulation forms the glenohumeral joint.
29
Greater and lesser tubercle- two projections-(rounded contours of the shoulder) are separated by
Intertubercular sulcus/groove
30
The rough V-shaped area which is the tendon of the deltoid muscle is called
Deltoid tuberosity
31
Each joint has an anterior palmar ligament and two collateral ligaments. True or False?
True
32
___________accommodates the coronoid process of the ulna
Trochlea
33
What is located at the posterior distal end of the humerus?
Olecranon fossa
34
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36