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Anatomy & Embryology

Musculoskeletal (Orthopedics)

Carpal Bones

"Some Lovers Try Positions That They Can't Handle"

Which of the following is the most appropriate acronym or mnemonic for remembering the bones of the hand?

Scaphoid

Regarding hand bones, which of the following carpal bones is the most commonly injured often due to a fall on an outstretched hand?

Lunate

Regarding hand bones, which of the following carpal bones would most likely lead to carpal tunnel syndrome if dislocated?

Triquetrum

Regarding hand bones, which of the following carpal bones is the second most commonly fractured?

Pisiform

Regarding hand bones, which of the following carpal bones is not involved in wrist movement?

Trapezium

Regarding hand bones, which of the following carpal bones is the most radially situated?

Trapezoid

Regarding hand bones, which of the following carpal bones is shaped like an "irregular quadrilateral" and provides attachment for the adductor pollicis muscle?

Capitate

Regarding hand bones, which of the following carpal bones is the largest?

Hamate

Regarding hand bones, which of the following carpal bones is commonly injured in amateur golfers and baseball players?

Upper Limb Bones - Humerus

Characteristics

Greater Tubercle

On the humerus, where do the supraspinatus, infraspinatus, and teres minor insert?

Lesser Tubercle

On the humerus, where does subscapularis insert?

Anatomic Neck

On the humerus, where does the joint capsule of the glenohumeral joint (shoulder joint) attach?

Surgical Neck

On the humerus, which is the most common site for proximal humerus fractures?

Deltoid Tuberosity

On the humerus (left humerus in Picmonic), where does the deltoid muscle insert?

Epicondyles

On the humerus (both humeri in Picmonic), where do the wrist extensor muscle group and the wrist flexor muscle group originate?

Coronoid Fossa

On the humerus (left humerus in Picmonic), what structure receives the coronoid process of the ulna?

Capitulum

On the humerus (left humerus in Picmonic), which structure sits in the articular fovea on the proximal radius and contributes to the humeroradial joint?

Olecranon Fossa

On the humerus (right humerus in Picmonic), which structure receives the olecranon process of the ulna?

Trochlea

On the humerus (both humeri in Picmonic), which is the site of attachment for the proximal ulna?

Upper Limb Bones - Ulna and Radius

Ulna

Which of the following is the medial bone of the forearm?

Olecranon Process

Which of the following parts of the ulna is described commonly as the elbow?

Coronoid Process

Which part of the anterior ulna forms the attachment of the brachialis muscle?

Trochlear Notch

Which proximal ulnar region contributes to the stability of the humeroulnar joint?

Radial Notch

Where does the radial head meet the proximal ulna, creating the proximal radioulnar joint?

Styloid Process of Ulna

What is the small bony projection on the distal aspect of the ulna?

Head of the Ulna

What is received by the ulnar notch of the radius, helping to form the radioulnar joint?

Radius

Which of the following is the lateral bone of the forearm?

Radial Head

Which part of the radius articulates with both the proximal ulna and the capitulum of the distal humerus?

Neck

Which part of the radius is circumscribed by the annular ligament?

Radial Tuberosity

Which is the area that serves as the insertion point for the biceps brachii muscle?

Styloid Process

What lies on the distal aspect of the radius and can be palpated just proximal to the anatomic snuff box?

Ulnar notch

What accommodates the ulnar head, producing the distal radioulnar joint?

Listers (aka Dorsal) Tubercle

Which bony projection serves as a pulley around which the tendon of the extensor pollicis longus wraps?

Upper Extremity Bones

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