Elbow and Forearm Flashcards

1
Q

Biceps Brachii

A

Origin:

SH-Corocoid Process

LH-Supraglenoid Tubercle

Insertion: radial tuberosity
Function: flexion of elbow, supination of forearm

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2
Q

Triceps Brachii

A

Origin:

LoH-Inraglenoid Tubercle

LaH-Posterior aspect of humerus

SH- Posterior aspect of humerus

Insertion: Olecranon Process
Function: Extension of Elbow

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3
Q

Brachialis

A

Origin: Lower anterior surface of humerus

Insertion: Coronoid Process of ulna
Function: Flexion of Elbow

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4
Q

Brachioradialis

A

Origin: Above LATERAL epicondyle of humerus

Insertion: Styloid Process of Radius
Function: Flexion of Elbow (when arm is semi-pronated)

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5
Q

Anconeus

A

Origin: LATERAL Epicondyle of Humerus

Insertion: Olecranon Process and Posterior Surface of Ulna
Function: Extension of Elbow

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6
Q

Pronator Quadratus

A

Origin: anterior distal surface of ULNA

Insertion: anterior distal surface of RADIUS
Function: Pronation of Forearm

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7
Q

Pronator Teres

A

Origin: MEDIAL epicondyle of humerus and coronoid process of ulne

Insertion: midshaft of RADIUS
Function: Pronation of Forearm and Flexion of Elbow

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8
Q

Supinator

A

Origin: LATERAL epicondyle of humerus

Insertion: anterior aspect of radius
Function: Supination of Forearm

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9
Q

Flexion of Elbow

A

Agonist

  • Biceps Brachii
  • Brachialis
  • Brachioradialis
  • Pronator Teres

Antagonist

  • Triceps Brachii
  • Anconeus
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10
Q

Extension of Elbow

A

Agonist

  • Triceps Brachii
  • Anconeus

Antagonist

  • Biceps Brachii
  • Brachialis
  • Brachioradialis
  • Pronator Teres
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11
Q

Pronation

A

Agonist

  • Pronator Teres
  • Pronator Quadratus

Antagonist

  • Supinator
  • Biceps Brachii
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12
Q

Supination

A

Agonist

  • Supinator
  • Biceps Brachii

Antagonist

  • Pronator Teres
  • Pronator Quadratus
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