Posterior Extensor Compartment Flashcards

1
Q

Brachioradialis (Lateral)

A
  • Radial Nerve (C5-C6)
  • Elbow Flexion
  • Supination and Pronation of the forearm
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2
Q

Extensor Carpi Radialis Longus (Lateral)

A
  • Radial Nerve (C6-C7)
  • Weak flexion of the elbow and extension
  • Weak abduction at the wrist
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3
Q

Extensor Carpi Radialis Brevis (Lateral)

A
  • Radial Nerve (C7-C8)
  • Weak flexion of the elbow and extension
  • Weak abduction at the wrist
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4
Q

Anconeus (Post. Superficial)

A
  • Radial Nerve

- Extension of the forearm

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5
Q

Extensor Carpi Ulnaris (Post. Superficial)

A
  • Radial Nerve (C7-C8)

- Ext. and add. of the wrist

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6
Q

Extensor Digitorum (Post. Superficial)

A
  • Radial Nerve
  • Largest Muscle in Group
  • Extension of the wrist
  • Abduction of 2-5 fingers
  • Extension of the MCP, proximal and distal IP joints of the 2nd-5th fingers
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7
Q

Extensor Digiti Minimi (Post. Superficial)

A
  • Posterior Interosseous Nerve
  • Ext. and ulnar abduction of the wrist
  • Abd. and Ext. of the MCP, proximal and distal IP joints of the 5th digit
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8
Q

Supinator (Post. Deep)

A
  • Radial Nerve (C6-C7)

- Supination of the forearm at the proximal radioulnar joint

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9
Q

Abductor Pollicis Longus (Post. Deep)

A
  • Radial Nerve

- Abd. of the radiocarpal jt. and carpometacarpal jt. of the 1st digit

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10
Q

Extensor Pollicis Brevis (Post. Deep)

A
  • Posterior Interosseous Nerve
  • Abd. of the RC jt.
  • Ext. of the CMP and MTCP joints of the 1st digit
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11
Q

Extensor Pollicis Longus (Post. Deep)

A
  • Posterior Interosseus Nerve
  • Ext. and radial abduction of the wrist
  • Abd. of the CMC jt. of the 1st digit
  • Ext. of the MCP and IP joints of the 1st digit
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12
Q

Extensor Indicis (Post. Deep)

A
  • Posterior Interosseus Nerve
  • Ext. of the wrist
  • Ext. of the MCP, proximal and distal IP joints of the 2nd digit
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13
Q

Abductor Pollicis Brevis (Post. Deep)

A
  • Median Nerve

- Abd. of the CMC jt. of the 1st digit

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