What are the major bones of the upper limb?
Humerus, radius, ulna, carpal bones, metacarpal bones, phalanges
The upper arm consists of the humerus, while the forearm contains the radius and ulna.
What joint does the humerus articulate with proximally?
Scapula at the glenohumeral joint
This joint is commonly referred to as the shoulder joint.
What joint does the humerus articulate with distally?
Ulna and radius at the cubital joint (elbow)
The cubital joint is essential for elbow movement.
What is the humeral head?
Large rounded structure that fits into the glenoid cavity
It is part of the proximal epiphysis of the humerus.
What is the function of the intertubercular sulcus?
Passageway for the long head of the biceps brachii muscle
This feature is located between the greater and lesser tubercles.
What is the anatomical neck of the humerus?
Narrow groove that separates the humeral head and tubercles
It was previously the site of the growth plate.
What is the surgical neck of the humerus?
Narrow region below the tubercles where the shaft begins
This area is a common site for fractures.
What is the deltoid tuberosity?
Rough, lateral projection where the deltoid muscle attaches
It is located on the humeral shaft.
What does the medial epicondyle of the humerus serve as?
A muscle attachment point
The lateral epicondyle serves a similar function.
What is the trochlea of the humerus?
Medial condyle shaped like a spool
It articulates with the trochlear notch of the ulna.
What does the capitulum of the humerus articulate with?
Head of the radius bone
It is the lateral condyle of the humerus.
What is the olecranon fossa?
Posterior depression that accommodates the olecranon process of the ulna during elbow extension
It is crucial for the elbow’s range of motion.
What are the characteristics of the radius bone?
Lateral (thumb side); narrow proximally and wide distally
It plays a key role in forearm movement.
What is the olecranon process?
Large posterior projection known as the ‘elbow bone’
It articulates with the olecranon fossa of the humerus.
Fill in the blank: The _______ notch articulates laterally with the head of the radius bone forming the proximal radioulnar joint.
Radial
This notch is located on the ulna.
What articulates laterally with the ulnar notch of the radius bone?
Ulnar head
This forms the distal radioulnar joint.
What is the radial tuberosity?
Rough projection below the neck that attaches the biceps brachii muscle
It is located at the proximal end of the radius.
What are the eight carpal bones in the wrist?
- Scaphoid
- Lunate
- Triquetrum
- Pisiform
- Trapezium
- Trapezoid
- Capitate
- Hamate
These bones are divided into proximal and distal rows.
What is the radiocarpal joint?
Indirect articulation between the radius and the carpal bones via articular disc
This joint allows for wrist movement.
How many phalanges are in each hand?
14 phalanges
Digits 2-5 have 3 phalanges each, while the thumb has 2.
Fill in the blank: The thumb has _______ phalanges.
2
The phalanges are proximal and distal.
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Chapter 1 and 2105
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Chapter 3: The Chemical Level of Organization117
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Chapter 468
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2.3 and 2.491
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2.6, 3.1, 3.2106
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names of movements15
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3.2.1 Head muscles31
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3.3.2 Neck muscles14
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Cranial bones49
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Facial Bones33
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2.1 Osseous tissue29
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The remainder of the axial skeleton30
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2.5 Appendicular skeleton24
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Pectoral Girdle21
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Upper limb21
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lower limb45
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2.6 synovial joints43
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1.5 organ systems12
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3.4.1 Upper Extremities57
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3.4.2 Lower Extremities49
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4.1 Neurohistology and Neurophysiology67
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4.2 Gross anatomy of the Nervous System45
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4.2.2 Cerebrum63
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4.3 Peripheral Nervous System37
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4.4 Cranial Nerves and Autonomics22
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4.5 Special senses45
