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Anatomy > Upper Limb > Flashcards

Upper Limb Flashcards

1
Q 
Trapezius	
Origin: 
Insertion: 
Action (3): 
Innervation:
A

Origin: Occipital bone & spinous processes of cervical & thoracic vertebrae

Insertion: Spine & acromion process of scapula, lateral clavicle

Action:

  • Superior fibers: elevates scapula
  • Middle fibers: Retracts scapula
  • Inferior fibers: depresses scapula

Innervation: Spinal accessory n.

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2
Q 
Serratus anterior
Origin: 
Insertion: 
Action (2): 
Innervation:
A

Origin: Outer surface of ribs

Insertion: Medial border of scapula

Action: Protracts & depresses scapula
Innervation: Brachial plexus

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3
Q 
Rhomboideus
Origin: 
Insertion: 
Action (2): 
Innervation:
A

Origin: Spinous processes of vertebrae C7-T5

Insertion: Medial border of scapula (dorsal to serratus ant.)

Action: Elevates and retracts scapula

Innervation: Brachial plexus

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4
Q 
Levator scapulae
Origin: 
Insertion: 
Action (2, 2 body parts): 
Innervation:
A

Origin: Transverse processes of vertebrae C1-C4

Insertion: Medial border of scapula (sup. to rhomboideus muscle)

Action: Elevates scapula & extends neck when scapula fixed

Innervation: Brachial plexus

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5
Q 
Latissimus dorsi
Origin: 
Insertion: 
Action (3): 
Innervation:
A

Origin: Spinous processes of thoracic and lumbar vert., thoracolumbar, fascia, iliac crest, inferior 3 ribs

Insertion: Intertubercular groove

Action: Extends, adducts & medially rotates humerus

Innervation: Brachial plexus

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6
Q 
Teres major
Origin: 
Insertion: 
Action (3): 
Innervation:
A

Origin: Lateral border of scapula

Insertion: Crest of lesser tubercle

Action: Extends, adducts & medially rotates humerus

Innervation: Brachial plexus

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7
Q 
Subscapularis
Origin: 
Insertion: 
Action (2): 
Innervation:
A

Origin: Ventral surface of scapula
Insertion: Lesser tubercle
Action: Adducts & medially rotates humerus
Innervation: Brachial plexus

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8
Q 
Deltoideus
Origin (3): 
Insertion: 
Action (3): 
Innervation:
A

Origin: Acromion process, spine of scapula, lateral clavicle

Insertion: Deltoid tuberosity

Action:

  • Anterior fibers: Medially rotates humerus
  • Middle fibers: Abducts humerus
  • Posterior fibers: Extends & laterally rotates humerus

Innervation: Axillary n.

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9
Q 
Teres minor
Origin: 
Insertion: 
Action (2): 
Innervation:
A

Origin: Lateral border of scapula

Insertion: Posterior greater tubercle

Action: Adduct & laterally rotate humerus

Innervation: Axillary n.

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10
Q 
Pectoralis major
Origin: 
Insertion: 
Action (3): 
Innervation:
A

Origin: Sternum, costal cartilages, & medial clavicle

Insertion: Crest of greater tubercle

Action: Adducts, flexes, & medially rotates humerus

Innervation: Brachial plexus

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11
Q 
Pectoralis minor
Origin: 
Insertion: 
Action (2): 
Innervation:
A

Origin: Ribs 3-5

Insertion: Coracoid process

Action: Depresses & protracts scapula

Innervation: Brachial plexus

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12
Q 
Supraspinatus
Origin: 
Insertion: 
Action: 
Innervation:
A

Origin: Supraspinous fossa

Insertion: Superior greater tubercle

Action: Abducts humerus

Innervation: Brachial plexus

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13
Q 
Infraspinatus
Origin: 
Insertion: 
Action: 
Innervation:
A

Origin: Infraspinous fossa

Insertion: Posterior greater tubercle

Action: Laterally rotates humerus

Innervation: Brachial plexus

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14
Q 
Coracobrachialis
Origin: 
Insertion: 
Action (2): 
Innervation:
A

Origin: Coracoid process

Insertion: Medial surface of mid-humerus

Action: Adducts & flexes humerus

Innervation: Musculotaneous n.

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15
Q 
Brachialis
Origin (2): 
Insertion: 
Action: 
Innervation:
A

Origin: Anterior surface distal of humerus

Insertion: Coronoid process & ulnar tuberosity

Action: Flexes forearm

Innervation: Musculotaneous n.

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16
Q

Biceps brachii- Long head
Origin:
Insertion:
Action (2, 2 body parts): Innervation:

A

Origin: Supranglenoid tubercle

Insertion: Radial tuberosity

Action: Flexes humerus and forearm & supinates forearm

Innervation: Musculotaneous n.

17
Q 
Biceps brachii- Short head	
Origin: 
Insertion: 
Action (2, 2 body parts): 
Innervation:
A

Origin: Coracoid process

Insertion: Radial tuberosity

Action: Flexes humerus and forearm & supinates the forearm

Innervation: Musculotaneous n.

Anatomy (12 decks)

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