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Anatomy > Wrist/Hand > Flashcards

Wrist/Hand Flashcards

1
Q

Flexor Carpi Radialis

A

Group:
- Wrist Flexors

Origin:
- medial Epicondyle of the Humerus via the common flexor tendon
Insertion:
- bases of metacarpals II and III
Actions:
- flexes wrist
- abducts wrist
- flexes elbow

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2
Q

Abductor Pollicis Longus

A

Group:
- Deep Distal 4
- Snuff Box
- Long Muscles/Tendinous - Originates along shafts of Radius/Ulna

Origin:
- Anterior Radial Shaft (middle)
- Interosseus membrane
Insertion:
- Lateral metacarpal of thumb (I)
Actions:
- Abduct thumb
- Extends thumb
- Lateral rotation of thumb
- Abducts hand at wrist
- Flexes hand at wrist
- Supinates the forearm

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3
Q

Flexor Carpi Ulnaris

A

Group:
- Wrist Flexor

Origin:
- medial epicondyle of the humerus via the common flexor tendon
- medial olecranon
- posterior proximal 2/3 of the ulna
Insertion:
- base of the metacarpal V
- pisiform
- hook of the Hamate
Actions:
- flexes the wrist
- Adducts the wrist

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4
Q

Palmaris Longus

A

Groups:
- Wrist Flexor

Origin:
- medial epicondyle of the humerus via the common flexor tendon
- anterior proximal radial shaft
- Coronoid process of the Ulna
Insertion:
- palmar aponeurosis
Actions:
- flexes the wrist
- cups (tenses) the palm

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5
Q

Flexor Digitorum Superficialis

A

Group:
- Finger Flexor

Origin:
- Medial Epicondyle of the humerus via the common flexor tendon
- Anterior proximal radial shaft
- Coronoid process of the ulna
Insertion:
- middle phalanges of the digits II-V
Action:
- flexes the wrist
- flexes the fingers at PIP and MIP

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6
Q

Flexor Digitorum Profundis

A

Group:
- Finger Flexor

Origin:
- anterior proximal 3/4 of the anterior ulnar shaft
- interosseous membrane
Insertion:
- digital phalanges of the digits II-V
Action:
- flexes the wrist
- flexes the fingers at the DIP, PIP, and MIP

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7
Q

Extensor Carpi Radialis Longus

A

Group:
- Wrist Extensor

Origin:
- Lateral Epicondyle of the humerus via the common extensor tendon
Insertion:
- Posterior base of metacarpal II
Action:
- Extends the wrist
- Abducts the wrist

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8
Q

Extensor Capri Radialis Brevis

A

Group:

Origin:
Insertion:
Action:

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9
Q

Extensor Carpi Ulnaris

A

Group:

Origin:
Insertion:
Action:

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10
Q

Extensor Digitorum

A

Group:

Origin:
Insertion:
Action:

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11
Q

Extensor Digiti Minimi

A

Group:

Origin:
Insertion:
Action:

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12
Q

Abductor Pollicis Brevis

A

Group:

Origin:
Insertion:
Action:

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13
Q

Flexor Pollicis Brevis

A

Group:

Origin:
Insertion:
Action:

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14
Q

Opponents Pollicis

A

Group:

Origin:
Insertion:
Action:

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15
Q

Abductor Pollicis

A

Group:

Origin:
Insertion:
Action:

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16
Q

Flexor Pollicis Longus

A

Group:

Origin:
Insertion:
Action:

17
Q

Extensor Pollicis Brevis

A

Group:

Origin:
Insertion:
Action:

18
Q

Extensor Pollicis Longus

A

Group:

Origin:
Insertion:
Action:

19
Q

Extensor Indicis

A

Group:

Origin:
Insertion:
Action:

20
Q

Lumbricals Manus

A

Group:

Origin:
Insertion:
Action:

21
Q

Palmar Interossei

A

Group:

Origin:
Insertion:
Action:

22
Q

Dorsal Interossei Manus

A

Group:

Origin:
Insertion:
Action:

23
Q

Abductor Digiti Minimi Manus

A

Group:

Origin:
Insertion:
Action:

24
Q

Flexor Digiti Minimi Manus

A

Group:

Origin:
Insertion:
Action:

25
Q

Opponents Digiti Minimi

A

Group:

Origin:
Insertion:
Action:

26
Q

Palmaris Brevis

A

Group:

Origin:
Insertion:
Action:

27
Q

Wrist Flexors

A
  • Flexor Carpi Radialis
  • Flexor Carpi Ulnaris
  • Palmaris Longus
28
Q

Finger Flexors

A
  • Flexor Digitorum Superficialis
  • Flexor Digitorum Profundis
29
Q

Wrist Extensors

A
  • Extensor Carpi Radialis Longus
  • Extensor Carpi Radialis Brevis
  • Extensor Carpi Ulnaris
30
Q

Finger Extensor

A
  • Extensor Digitorum
  • Extensor Digiti Minimi
31
Q

Superficial Extensor Group Muscles

A
  • Brachioradialis
  • Extensor Carpi Radialis Brevis
  • Extensor Carpi Radialis Longus
  • Extensor Carpi Ulnaris
  • Extensor Digitorum
  • Extensor Digiti Minimi
  • Anconeus
32
Q

Short Muscle/Thenar Eminence Group

A
  • Abductor Pollicis Brevis
  • Flexor Pollicis Brevis
  • Opponens Pollicis
  • Adductor Pollicis
33
Q

Long Muscles/Tendinous Group
(Originates along the shaft of the Radius or Ulna

A
  • ** Flexor Pollicis Longus** (Radial shaft): Flexes thumb
  • Abductor Pollicis Longus (Ulnar shaft): Abducts the thumb
  • ** Extensor Pollicis Brevis** (Radial shaft): Extends the thumb
  • Extensor` Pollicis Longus (Ulnar shaft)
  • Extensor Indicis (Ulnar shaft)
34
Q

Deep Distal 4

A
  • Abductor Pollicis Longus: Abducts the thumb
  • ** Extensor Pollicis Brevis**: Extends the thumb
  • ** Extensor Pollicis Longus**: Extends the thumb
  • ** Extensor Indicis**: Extends index finger
35
Q

Snuff Box Group

A
  • Abductor Pollicis Longus: Abducts the thumb
  • Extensor Pollicis Brevis: Extends the thumb
  • Extensor Pollicis Longus: Extends the thumb
36
Q

Central Compartment/Lumbricals and Interossei Group

A
  • Lumbricals Manus: Extends/Flexes all but thumb
  • Palmar Interossei: Extends/Flexes/Adducts all but thumb
  • Dorsal Interossei Manus: Extends/Flexes/Adducts all but thumb

Anatomy (9 decks)

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