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8 - Musculos de la mano

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p.3

What muscles are included in the thenar eminence?

A. Extensores de los dedos
B. Palmar corto, aductor, flexor corto, oponente del meñique
C. Lumbricales
D. Interóseos palmares y dorsales
E. Abductor corto, oponente, flexor corto, aductor del pulgar

Select an answer

p.3

Explanation

The thenar eminence consists of four specific muscles: abductor corto, oponente, flexor corto, and aductor del pulgar, which are responsible for the movements of the thumb.

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Muscles of the Thenar Eminence

What muscles are included in the thenar eminence?

E

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Muscles of the Thenar Eminence

¿Cuál de los siguientes músculos es parte de la eminencia tenar?

D

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Muscles of the Thenar Eminence

¿Qué función tiene el músculo oponente del pulgar?

A

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Muscles of the Thenar Eminence

¿Cuál de los siguientes músculos no pertenece a la eminencia tenar?

C

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Muscles of the Thenar Eminence

¿Qué músculo se encarga de la abducción del pulgar?

E

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Muscles of the Thenar Eminence

¿Cuál es la función principal del músculo flexor corto del pulgar?

C

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Muscles of the Thenar Eminence

What is the most superficial muscle of the thenar eminence?

C

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Muscles of the Thenar Eminence

Where does the palmaris brevis muscle insert superiorly?

D

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Muscles of the Thenar Eminence

What is the inferior insertion point of the palmaris brevis muscle?

D

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Muscles of the Thenar Eminence

What structure does the palmaris brevis send an expansion to?

C

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Muscles of the Thenar Eminence

What is the name of the muscle located in the thenar eminence of the hand?

B

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Anatomy of the Hand

What is the tubercle of the trapezium associated with in the hand anatomy?

A

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Muscles of the Thenar Eminence

Which two structures are indicated as the proximal insertions of the superficial head?

B

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Muscles of the Thenar Eminence

What is the distal insertion of both heads of the muscle?

E

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Muscles of the Thenar Eminence

What is the relationship between the deep head and the trapezoid bone?

E

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Muscles of the Thenar Eminence

What is the primary function of the flexor pollicis longus tendon?

E

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Anatomical Illustrations and Diagrams

What anatomical feature separates the two origins of the flexor pollicis longus tendon?

C

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Anatomical Illustrations and Diagrams

In which view is the flexor pollicis longus tendon primarily illustrated?

D

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Muscles of the Thenar Eminence

Which muscle is responsible for the abduction of the thumb?

A

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Anatomical Illustrations and Diagrams

What structure is identified as the passageway for tendons in the wrist?

D

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Muscles of the Thenar Eminence

Which tendon is associated with the flexion of the thumb?

A

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Anatomical Illustrations and Diagrams

What is the role of the flexor retinaculum in the hand?

E

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Anatomy of the Hand

Which bones are specifically labeled in the thumb anatomy?

E

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Muscles of the Thenar Eminence

What is the proximal insertion point of the opponens pollicis muscle?

A

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Muscles of the Thenar Eminence

Which muscle covers the opponens pollicis?

B

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Muscles of the Thenar Eminence

What is the shape of the opponens pollicis muscle?

A

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Muscles of the Thenar Eminence

Where does the opponens pollicis muscle insert distally?

B

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Muscles of the Thenar Eminence

What is the orientation of the opponens pollicis muscle's fibers?

D

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Muscles of the Thenar Eminence

What is the shape of the adductor pollicis muscle?

E

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Muscles of the Thenar Eminence

Where does the oblique head of the adductor pollicis muscle originate from?

C

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Muscles of the Thenar Eminence

What is the insertion point of the adductor pollicis muscle?

B

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Muscles of the Thenar Eminence

What is the origin of the transverse head of the adductor pollicis muscle?

B

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Muscles of the Thenar Eminence

What is the function of the adductor pollicis muscle?

E

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Anatomical Illustrations and Diagrams

What is the palmar aponeurosis in the human hand?

B

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Anatomical Illustrations and Diagrams

Which muscle is referred to as 'Cabeza transversa'?

D

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Innervation of Hand Muscles

Which nerve is responsible for innervating the abductor pollicis brevis?

E

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Innervation of Hand Muscles

What is the role of the ulnar nerve in the innervation of the thumb?

D

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Innervation of Hand Muscles

What is the significance of the Cannieu-Riche communication?

E

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Innervation of Hand Muscles

Which muscle is NOT innervated by the median nerve?

B

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Innervation of Hand Muscles

Which of the following muscles is innervated by the deep branch of the ulnar nerve?

A

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Innervation of Hand Muscles

Which nerve is associated with the 'Ramo tenariano' in the hand?

B

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Innervation of Hand Muscles

What is the function of the 'Ramo comunicante [Cannieu-Riche]' in the hand?

D

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Vascularization of Hand Muscles

What arteries provide irrigation to the muscles mentioned in the text?

C

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Actions of Hand Muscles

What is the action of the abductor corto muscle?

A

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Muscles of the Hypothenar Eminence

¿Cuáles son los músculos que componen la eminencia hipotenar?

A

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Anatomical Illustrations and Diagrams

What is the palmar aponeurosis primarily composed of?

B

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Anatomical Illustrations and Diagrams

Where does the palmar aponeurosis insert laterally?

D

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Anatomical Illustrations and Diagrams

What type of muscle is the palmar aponeurosis classified as?

D

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Anatomical Illustrations and Diagrams

What is the medial insertion of the palmar aponeurosis?

C

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Muscles of the Hypothenar Eminence

Where does the abductor digiti minimi muscle insert?

A

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Muscles of the Hypothenar Eminence

What is the origin of the abductor digiti minimi muscle?

B

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Muscles of the Hypothenar Eminence

What structure does the abductor digiti minimi muscle send an expansion to?

D

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Muscles of the Hypothenar Eminence

What is the role of the abductor digiti minimi muscle?

D

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Muscles of the Hypothenar Eminence

Which ligament is associated with the insertion of the abductor digiti minimi muscle?

A

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Muscles of the Hypothenar Eminence

¿Dónde se inserta el músculo mencionado en la descripción?

A

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Muscles of the Hypothenar Eminence

¿Cuál es la dirección de la inserción del músculo desde el gancho del ganchoso?

D

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Muscles of the Hypothenar Eminence

¿Qué estructura se menciona como parte de la inserción del músculo en la parte medial?

E

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Muscles of the Hypothenar Eminence

¿Qué hueso se menciona como parte de la inserción del músculo en la parte inferior?

C

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Muscles of the Hypothenar Eminence

¿Cuál es la función principal del Oponente del meñique?

C

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Muscles of the Hypothenar Eminence

¿Dónde se inserta el Oponente del meñique en la parte superior?

B

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Muscles of the Hypothenar Eminence

¿En qué parte del 5° metacarpiano se fija el Oponente del meñique?

E

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Muscles of the Hypothenar Eminence

¿Cuál es la característica del Oponente del meñique en relación a su profundidad?

C

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Innervation of Hand Muscles

Which nerve innervates the four muscles mentioned in the text?

C

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Innervation of Hand Muscles

What is the source of innervation for the palmaris brevis muscle?

E

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Vascularization of Hand Muscles

What provides the vascularization to the hypothenar eminence?

C

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Innervation of Hand Muscles

Which branch of the ulnar nerve is responsible for innervating the other muscles in the hypothenar compartment?

D

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Vascularization of Hand Muscles

What is the significance of the deep branch of the ulnar artery in the hypothenar region?

B

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Lumbrical Muscles

¿Qué músculos se encuentran en la celda palmar media?

E

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Lumbrical Muscles

What are the lumbrical muscles primarily associated with in the human hand?

B

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Lumbrical Muscles

What is the shape of the lumbrical muscles compared to?

C

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Lumbrical Muscles

Where do the first and second lumbrical muscles insert?

E

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Lumbrical Muscles

How do the third and fourth lumbrical muscles insert?

D

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Lumbrical Muscles

What are the lumbrical muscles connected to in the hand?

E

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Innervation of Hand Muscles

What is the innervation of the lateral lumbrical muscles (1 and 2)?

A

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Innervation of Hand Muscles

Which nerve innervates the medial lumbrical muscles (3 and 4)?

A

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Vascularization of Hand Muscles

What is the source of arterial supply for the lumbrical muscles?

A

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Lumbrical Muscles

What is the primary action of the lumbrical muscles in the hand?

D

p.40
Interosseous Muscles

What are the two types of interosseous muscles in the hand?

B

p.40
Interosseous Muscles

Where are the interosseous muscles located in the hand?

A

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Interosseous Muscles

How many interosseous muscles are present in each intermetacarpal space?

A

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Interosseous Muscles

What is notable about the first intermetacarpal space regarding the palmar interosseous muscle?

B

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Interosseous Muscles

What is the shape of the interosseous muscles described in the text?

C

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Interosseous Muscles

How many interosseous muscles (IOP) are mentioned in the text?

E

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Muscles of the Interosseous Muscles

Where does the proximal insertion of the interosseous muscle occur?

C

p.43
Anatomy of the Hand

¿Dónde se inserta el tendón del extensor de los dedos?

D

p.44
Interosseous Muscles

¿En qué espacios intermetacarpianos existen los músculos interóseos palmares mencionados?

A

p.44
Interosseous Muscles

¿Cuál de los siguientes metacarpos no tiene inserción de los músculos interóseos palmares?

B

p.44
Interosseous Muscles

¿Qué dedos poseen interóseos palmares según el texto?

A

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Interosseous Muscles

¿Qué característica tienen los músculos interóseos palmares en relación al espacio interóseo?

C

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Interosseous Muscles

¿Qué dedo no está asociado con los músculos interóseos palmares?

D

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Interosseous Muscles

¿Cuántos músculos interóseos hay en la mano?

E

p.46
Interosseous Muscles

¿Qué característica tienen los músculos interóseos en cuanto a su inserción?

C

p.46
Muscles of the Interosseous Muscles

¿Cómo se describe la forma de los músculos interóseos?

C

p.46
Interosseous Muscles

¿Cuál es la característica de la inserción más extensa de los músculos interóseos?

A

p.47
Tendons and Bones of the Hand

What is the distal insertion of the tendons in the fingers?

B

p.48
Innervation of Hand Muscles

What is the primary nerve that innervates all interosseous muscles in the hand?

B

p.48
Vascularization of Hand Muscles

Which structure provides vascularization to the interosseous muscles of the hand?

D

p.49
Interosseous Muscles

What is the action of the dorsal interosseous muscles?

B

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