Podcast
Questions and Answers
What is the origin point of the extensor pollicis longus muscle?
What is the origin point of the extensor pollicis longus muscle?
- Proximal half of the radius
- Posterior surface of the distal third of the radius (correct)
- Proximal and superior part of the lunate bone
- Medial aspect of the proximal phalanx of the thumb
What structure does the scaphoid ligament insert into?
What structure does the scaphoid ligament insert into?
- Articular surface between the scaphoid and lunate bones (correct)
- Medial aspect of the distal radius
- Base of the distal phalanx of the thumb
- Most proximal and superior part of the lunate bone
Which muscle originates on the proximal half of the radius?
Which muscle originates on the proximal half of the radius?
- Abductor pollicis longus (correct)
- Extensor pollicis longus
- Flexor carpi radialis
- Adductor pollicis
What is the sensitivity of a carpal tunnel test according to the findings?
What is the sensitivity of a carpal tunnel test according to the findings?
Which limitation is associated with the carpal tunnel test?
Which limitation is associated with the carpal tunnel test?
What is the primary purpose of the Finklestein Test?
What is the primary purpose of the Finklestein Test?
What is the sensitivity percentage of the Scaphoid Shift Test?
What is the sensitivity percentage of the Scaphoid Shift Test?
Which group of individuals is specifically focused on in the Finklestein Test?
Which group of individuals is specifically focused on in the Finklestein Test?
What is a limitation of the Scaphoid Shift Test?
What is a limitation of the Scaphoid Shift Test?
What demographic does the Phalen Test primarily focus on?
What demographic does the Phalen Test primarily focus on?
Flashcards
Scaphoid Ligament
Scaphoid Ligament
A ligament connecting the scaphoid and lunate bones, located on the most proximal and superior part of the articular surface.
Extensor Pollicis Longus
Extensor Pollicis Longus
Muscle that originates on the posterior surface of the distal third of the radius and inserts on the base of the proximal phalanx of the thumb.
Abductor Pollicis Longus
Abductor Pollicis Longus
Muscle that originates on the proximal half of the radius and inserts on the medial aspect of the proximal phalanx of the thumb.
Carpal Tunnel Test
Carpal Tunnel Test
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Sensitivity of the Carpal Tunnel Test
Sensitivity of the Carpal Tunnel Test
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Finklestein Test
Finklestein Test
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Scaphoid Shift Test
Scaphoid Shift Test
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Phalen Test
Phalen Test
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Sensitivity
Sensitivity
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Specificity
Specificity
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Study Notes
Wrist and Hand Anatomy
- The extensor pollicis longus originates on the posterior surface of the distal third of the radius and inserts at the base of the proximal phalanx of the thumb.
- The abductor pollicis longus originates on the proximal half of the radius and inserts at the medial aspect of the proximal phalanx of the thumb.
- The scaphoumate ligament inserts into the most proximal and superior part of the articular surface between the scaphoid and the lunate bones.
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