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Anatomy UE > UE: Anterior Axio-Appendicular to Scapulohumeral > Flashcards

UE: Anterior Axio-Appendicular to Scapulohumeral Flashcards

Pectoralis major through subscapularis

1
Q

Anterior Axio-appendicular muscles (4)

A

Pectoralis Major
Pectoralis Minor
Subclavius (not important)
Serratus Anterior

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2
Q

Pectoralis Major:

  • Action (2)
  • Innervation (2)
A

Pectoralis Major
Action: (1) ADDUCTS and (2) medially rotates shoulder joint

Innervation: lateral and medial pectoral nerves

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3
Q

Pectoralis Minor:

  • Action (2~)
  • Innervation (1)
A

Pectoralis Minor:

Action: Stabilizes scapula inferiorly and anteriorly

Innervation: Medial pectoral nerve

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4
Q

Serratus Anterior

  • Action: 1
  • Innervation: 1
A

Serratus Anterior:

  • Action: Holds scapula to thoracic wall
  • Innervation: Long thoracic nerve
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5
Q

Posterior Axio-Appendicular Muscles (5)

A 
Trapezius
Latissimus Dorsi
Levator Scapulae 
Rhomboid Major
Rhomboid Minor
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6
Q

Trapezius

  • Action: 3~
  • Innervation: 1
A

Trapezius
- Action:
Superior portion ELEVATES, Middle portion: RETRACTS, inferior portion: DEPRESSES

  • Innervation: spinal accessory nerve CN XI (11)
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7
Q

Latissimus Dorsi

  • Action: 3
  • Innervation: 1
A

Latissimus Dorsi

  • Action: EXTENDS, ADDUCTS, and MEDIALLY ROTATES shoulder joint
  • Innervation: Thoracodorsal Nerve
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8
Q

Levator Scapulae

  • Action 1
  • Innervation: 1
A

Levator Scapulae

  • Action: Elevates scapula
  • Innervation: Dorsal scapular nerve
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9
Q

Rhomboid Major AND Rhomboid Minor

  • Action: 2
  • Innervation: 1
A

Rhomboid Major & Rhomboid Minor:
- Action: Retracts scapula and fix scapula to thoracic wall

  • Innervation: Dorsal scapular nerve
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10
Q

Scapulohumeral Muscles: (6)

A 
Deltoid
Supraspinatus
Infraspinatus
Teres Minor
Teres Major
Subscapularis
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11
Q

Muscles involved in rotator cuff (4)

A

Supraspinatus
Infraspinatus
Teres Minor
Subscapularis

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12
Q

Deltoid

  • Action: 5
  • Innervation: 1
A

Deltoid:
- Action: FLEXES, MEDIALLY ROTATES shoulder, ABDUCTS shoulder joint, EXTENDS and LATERALLY ROTATES shoulder,

  • Innervation: Axillary Nerve
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13
Q

Supraspinatus

  • Action: 2
  • Innervation: 1
A

Supraspinatus:

  • Action: ABDUCTION of shoulder, ABDUCTION of rotator cuff muscle
  • Innervation: Suprascapular nerve
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14
Q

Infraspinatus

  • Action: 2
  • Innervation: 1
A

Infraspinatus

  • Action: LATERAL rotation of shoulder joint and LATERAL rotation of rotator cuff muscles
  • Innervation: suprascapular nerve
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15
Q

Teres minor

  • Action: 1
  • Innervation: 1
A

Teres Minor:

  • Action 1: laterally rotates shoulder cuff,
  • Innervation: Axillary Nerve
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16
Q

Teres Major:

  • Action: 2
  • Innervation: 1
A

Teres Major

  • Action: Adducts and medially rotates shoulder joint
  • innervation: inferior subscapular nerve
17
Q

Subscapularis

  • Action: 4
  • Innervation: 2
A

Subscapularis:
- Action: MEDIALLY rotates shoulder joint, rotator cuff muscles
ADDUCTS shoulder joint, rotator cuff muscle

Innervation: Superior and inferior subscapular nerves

Anatomy UE (5 decks)

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