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Gross Anatomy: back and upper limb > Back and Upper Limb > Flashcards

Back and Upper Limb Flashcards

1
Q

Serratus Anterior

A

Origin: Top surface of Rib 1-9 to border of scapula

  • Innervation: Long Thoracic Nerve (and artery)
  • Action: Medial rotation of arm and Protraction of the arm
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2
Q

Serratus Posterior Superior

A
  • Origin: Spinous Process C7-T3 to ribs 2-5
  • Innervation: Intercoastal nerves
  • Action: Elevates ribs 2-5 when INHALING
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3
Q

Serratus Posterior Inferior

A
  • Origin: Spinous process of T11-L2 to ribs
  • Innervation: Intercoastal nerves
  • Action: Depresses rib 9-12 when EXHALING
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4
Q

Iliocostalis

A
  • Origin: Most lateral of muscles in middle back
  • Innervation: Dorsal Rami of Spinal Nerves
  • Extends the vertebral column
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5
Q

Longissimus Dorsi

A
  • Origin: Middle muscle of central back muscle
  • Innervation: Dorsal Rami of Spinal Nerves
  • Action: Extends the vertebral column
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6
Q

Spinalis

A
  • Origin: Most medial muscle in middle back
  • Innervation: Dorsal Rami of Spinal Nerves
  • Action: Extends the vertebral column
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7
Q

Trapezius

A
  • Origin: Spinous process of T1-T12 to clavicle, acromion and spine of scapula
  • Innervation: Spinal Accessory nerve (CN XI)
  • Actions: Elevation of scapula, retraction of scapula, depression of scapula
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8
Q

Latissimus Dorsi

A
  • Origin: Thoracolumbar fascia to the humerus
  • Innervation: Thoracodorsal nerve
  • Action: Adducts,extends, and medially rotates the arm of the shoulder
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9
Q

Levator Scapula

A
  • Location: Transverse process of C1-C4 to medial border of scapula
  • Innervation: Dorsal Scapular Nerve (motor) and Ventral Rami of C3-C4 (sensory)
  • Action: Elevates and rotates the scapula
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10
Q

Teres Major

A
  • Origin: Lateral border of Scapula to the Humerus (inferior to teres minor)
  • Innervation: Lower Sub-scapular nerve
  • Action: Adducts and internally rotates arm
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11
Q

Rhomboid Major

A
  • Origin: Spinous process of T2-T5 to medial border of scapula
  • Innervation: Dorsal Scapular nerve
  • Action: Retraction and elevation of Scapula
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12
Q

Rhomboid Minor

A
  • Origin: Spinous process of C1-T1 to medial border of scapula
  • Innervation: Dorsal Scapular Nerve
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13
Q

Supraspinatus

A
  • Origin: Supraspinous fossa of scapula to humerus
  • Innervation: Suprascapular nerve
  • Action: Abducts the arm
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14
Q

Infraspinatus

A
  • Origin: Infraspinatus fossa of scapula to humerus
  • Innervation: Suprascapular nerve
  • Action: Lateral rotation of the arm
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15
Q

Teres minor

A
  • Origin: lateral border of scapula to humerus
  • Innervation: Axillary Nerve
  • Action: lateral rotation of arm
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16
Q

Subscapularis

A
  • Origin: subscapular fossa to the humerus
  • Innervation: subscapular nerve
  • Medial rotation of arm
17
Q

Pronator Teres

A
  • Origin: Medial epicondyle to lateral side of radius
  • Innervation: Median nerve
  • Action: pronates and flexes forearm
18
Q

Flexor Carpi Radialis

A
  • Origin: medial epicondyle to intercarpals
  • Innervation: median nerve
  • Action: flexes and abducts the hand
19
Q

Palmaris longus

A
  • Origin: Medial epicondyle to palmar
  • Innervation: Median nerve
  • Action: Flexes wrist and Palmar aponeurosis
20
Q

Flexor Carpi Ulnaris

A
  • Origin: Medial Epicondyle to carpal bones
  • Innervation:Ulnar nerve
  • Action: Flexes an Adducts hand
21
Q

Felxor Digitorum Superficialis

A
  • Origin: medial epicondyle to middle phalanges
  • Innervation: Median Nerve
  • Action: Flexes proximal Interphalangeal (PIP) joint of 2-5
22
Q

Flexor Digitorum Profundus

A
  • Origin: Ulnar side of interosseous membrane to distal phalanges
  • Innervation: Median and Ulnar nerve (1.5)
  • Action: Flexes distal interphalangeal joint (DIP)
23
Q

Flexor Pollicis longus

A
  • Origin: Lateral Side of interosseous membrane to distal phalanges
  • Innervation: Median Nerve
  • Action: Flexes the thumb
24
Q

Pronator Quadratus

A
  • Origin: Distal end of ulna to the radius
  • Innervation: Median nerve
  • Action: pronates the hand
25
Q

Opponens Pollicis

A
  • Origin: Lateral Carpels to metacarpal 1
  • Innervation: Median n
  • Action: allows tip of thumb to touch the tips of other fingers
26
Q

Abductor Pollicis Brevis

A
  • Origin: Lateral carpals to proximal thumb
  • Innervation: Median nerve
  • Action: Abduction of thumb
27
Q

Brachioradialis

A
  • Origin: Lateral humerus to styloid process
  • Innervation: Radial nerve
  • Flexes the forearm at elbows
28
Q

Extensor Carpi Radialis Longus

A
  • Origin: Lateral Humerus to styloid process
  • Innervation: Radial nerve
  • Action: Extends and abducts the wrist
29
Q

Extensor Carpi Radialis Brevis

A
  • Origin: Lateral epicondyle to metacarpal 3
  • Innervation: Radial Nerve
  • Action: Extends and Abducts the wrist
30
Q

Extensor Pollicis Longus

A
  • Origin: Ulna to distal thumb
  • Innervation: Radial Nerve
  • Action: Extends the thumb
31
Q

Abductor Pollicis Longus

A
  • Origin: Interosseous membrane to metacarpal 1
  • Innervation: Radial Nerve
  • Action: Abducts the extends the thumb
32
Q

Extensor Digitorum

A
  • Origin: Lateral epicondyle at Humerus to middle/distal phalanges 2-5
  • Innervation: Radial Nerve
  • Action: Extends phalanges 2-5
33
Q

Extensor Indicis

A
  • Origin: Ulna to distal phalanx of index finger
  • Innervation: Radial Nerve
  • Action: Extends index finger
34
Q

Extensor Digiti Minimi

A
  • Origin: Lateral epicondyle to middle/distal phalanx of pinky
  • Innervation: Radial nerve
  • Action: Extends index finger
35
Q

Extensor Carpi Ulnaris

A
  • Origin: Lateral epicondyle to 5th intercarpel
  • Innervation: Radial Nerve
  • Action: extends the wrist and adducts the hand
36
Q

Supinator

A
  • Origin: Lateral epicondyle to lateral radius
  • Innervation: Radial Nerve
  • Action: Supinates the forearm

Gross Anatomy: back and upper limb (2 decks)

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