Bony Landmarks Of The Arm And Shoulder Flashcards

1
Q

What is the primary bone that forms the shoulder girdle?

A

Clavicle

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2
Q

True or False: The scapula is also known as the shoulder blade.

A

True

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3
Q

Fill in the blank: The _____ connects the upper limb to the trunk.

A

shoulder girdle

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4
Q

Which bone is located on the lateral side of the shoulder girdle?

A

Scapula

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5
Q

What are the two main joints associated with the shoulder girdle?

A

Sternoclavicular joint and acromioclavicular joint

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6
Q

Identify the bony landmark on the scapula that articulates with the humerus.

A

Glenoid cavity

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7
Q

What is the name of the bony prominence at the end of the clavicle?

A

Acromion

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8
Q

True or False: The humerus is the only bone in the upper arm.

A

True

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9
Q

What is the greater tubercle of the humerus?

A

A bony prominence on the lateral side of the humerus

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10
Q

Which muscle attaches to the lesser tubercle of the humerus?

A

Subscapularis

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11
Q

What is the function of the coracoacromial ligament?

A

It provides support to the shoulder joint.

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12
Q

Fill in the blank: The _____ is the large cavity in the scapula that receives the head of the humerus.

A

glenoid cavity

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13
Q

What is the anatomical term for the upper part of the shoulder blade?

A

Superior angle

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14
Q

True or False: The spine of the scapula is located on the anterior surface.

A

False

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15
Q

What is the name of the depression on the posterior side of the scapula?

A

Supraspinous fossa

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16
Q

Identify the landmark on the humerus where the deltoid muscle attaches.

A

Deltoid tuberosity

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17
Q

What is the primary function of the shoulder girdle?

A

To connect the arm to the trunk and allow for a wide range of motion.

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18
Q

Which bony landmark is found at the distal end of the humerus?

A

Capitulum

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19
Q

True or False: The scapula has three borders: medial, lateral, and superior.

A

True

20
Q

What structure provides stability to the shoulder joint?

A

Rotator cuff muscles

21
Q

Fill in the blank: The _____ is the area on the humerus that separates the greater and lesser tubercles.

A

intertubercular groove

22
Q

What is the function of the acromioclavicular joint?

A

It allows for movement between the clavicle and scapula.

23
Q

Which part of the scapula is known for its flat, triangular shape?

A

Body of the scapula

24
Q

Identify the major nerve that runs along the posterior side of the shoulder.

A

Axillary nerve

25
Q

What is the significance of the coracoid process?

A

It serves as an attachment point for muscles and ligaments.

26
Q

True or False: The shoulder girdle consists of four bones.

A

False

27
Q

What is the primary role of the rotator cuff?

A

To stabilize the shoulder joint.

28
Q

Fill in the blank: The _____ is a joint formed by the humerus and the scapula.

A

glenohumeral joint

29
Q

What is the anatomical term for the lower edge of the scapula?

A

Inferior angle

30
Q

Identify the bony landmark on the humerus where the triceps brachii muscle attaches.

A

Olecranon fossa

31
Q

What type of joint is the glenohumeral joint?

A

Ball-and-socket joint

32
Q

True or False: The clavicle is the only bone that connects the arm to the trunk.

A

True

33
Q

What is the primary purpose of the scapular notch?

A

To allow passage of nerves and blood vessels.

34
Q

Fill in the blank: The _____ is the term for the upper arm bone.

A

humerus

35
Q

Which bony landmark is located at the proximal end of the humerus?

A

Head of the humerus

36
Q

What is the significance of the suprascapular notch?

A

It provides a passage for the suprascapular nerve.

37
Q

True or False: The scapula articulates directly with the rib cage.

A

False

38
Q

What is the primary function of the deltoid muscle?

A

To abduct the arm.

39
Q

Fill in the blank: The _____ is a bony projection on the scapula that provides attachment for muscles.

A

coracoid process

40
Q

What is the name of the joint formed by the clavicle and the sternum?

A

Sternoclavicular joint

41
Q

Identify the location of the infraspinous fossa.

A

On the posterior side of the scapula, below the spine.

42
Q

What is the primary role of the biceps brachii muscle?

A

To flex the elbow and supinate the forearm.

43
Q

True or False: The shoulder joint has the greatest range of motion of any joint in the body.

A

True

44
Q

What structure connects the scapula to the humerus?

A

Glenoid cavity

45
Q

Fill in the blank: The _____ is the rounded end of the humerus that fits into the glenoid cavity.

A

head