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Musculoskeletal > Muscles - P&D Attachments, Actions, Blood Supply, Innervation > Flashcards

Muscles - P&D Attachments, Actions, Blood Supply, Innervation Flashcards

1
Q

Trapezius Proximal Attachment

A
  1. External Occipital Protuberance
  2. Nuchal ligament
  3. Spinous processes C7-T12
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2
Q

Trapezius Distal Attachment

A
  1. Spine of Scapula
  2. Acromion
  3. Lateral 1/3 of Clavicle (anterior)
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3
Q

Actions of Trapezius

A
  1. Shoulder Elevation
  2. Shoulder Depression
  3. Retraction of Scapula
  4. Rotates Glenoid superior
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4
Q
  1. Blood Supply
  2. Innervation of Trapezius
A
  1. Transverse Cervical Artery
  2. Motor- accessory nerve CNXI
    • Pain and proprioception - C3&C4
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5
Q

Lat. Dorsi - spell it

A

LaTissimus dorsi

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6
Q

Latissimus Dorsi Proximal Attachments (Hint - there are 4 of them)

A
  • Lower 6 Thoracic Vertebrae
  • Iliac Spine
  • Thoracolumbar fascia
  • Inferior 3 ribs
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7
Q

Latissimus Dorsi Distal Attachments

A

Floor of Intertubercular sulcus/Bicipital Groove

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8
Q

Latissimus Dorsi - Actions

A
  • IR/Medial Rotation of Humerus
  • Extension of Humerus
  • Adduction of Humerus
  • Raises Torso towards arms while climbing
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9
Q

Latissimus Dorsi - Blood Supply

A

Thoracodorsal artery

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10
Q

Latissimus Dorsi - Innervation

A

Thoracodorsal Nerve (C6,C7,C8)

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11
Q

Rhomboid Minor, which one is it?

A

Superior to Rhomboid Major

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12
Q

Rhomboid Major

  1. Proximal Attachment
  2. Distal Attachment
  3. Actions
  4. Blood supply
  5. Innervation
A
  1. Prox. Att. Spinous processes of T2-T5
  2. Dist. Att. Medial border of scapula from level of spine to inferior angle
  3. Actions - Retract & Elevate Scapula/Rotate scapula downward, fixt scapula to thorax
  4. Blood - Dorsal Scapular Artery
  5. Dorsal Scapular Nerve (C4,C5)
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13
Q

Rhomboid Minor

  1. Proximal Attachment
  2. Distal Attachment
  3. Actions
  4. Blood supply
  5. Innervation
A
  1. Prox. Att. C7&T1 spinous processes and Nuchal Ligament
  2. Dist. Att. Medial end of scapular spine
  3. Actions - Retract & Elevate Scapula/Rotate scapula downward, fixt scapula to thorax
  4. Blood - Dorsal Scapular Artery
  5. Dorsal Scapular Nerve (C4,C5)
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14
Q

Levator Scapulae

  1. Proximal Attachment
  2. Distal Attachment
  3. Actions
  4. Blood Supply
  5. Innervation
A
  1. Posterior tubercles of transverse processes of first 4 cervical vertebrae
  2. Medial border of scapula, superior part of scapular spine
  3. Elevates scapula and tilts glenoid fossa inferiorly by rotating scapula (downward rotation
  4. Dorsal scapular artery
  5. Dorsal scapular nerve (C5) Cervical spinal nerves (C3,C4)
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15
Q

Deltoid

  1. Proximal Attachment
  2. Distal Attachment
  3. Actions
  4. Blood Supply
  5. Innervation
A
  1. Scapular Spine, Acromion, Lateral 1/3 of Clavicle
  2. Deltoid Tuberosity
  3. Flexion, Medial Rotation, Abduction, Lateral Rotation
  4. Deltoid branch of thoracoacromial arterial trunk
  5. Axillary Nerve (C5,C6)
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16
Q

Teres Major

  1. Proximal Attachment
  2. Distal Attachment
  3. Actions
  4. Blood Supply
  5. Innervation
A
  1. Posterior surface of inferior angle of scapula
  2. Medial lip of intertubercular sulcus/bicipital groove of humerus
  3. Medial Rotation, Adduction
  4. Circumflex Scapular Artery
  5. Lower subscapular nerve (C5,C6)
17
Q

Serratus Anterior

  1. Proximal Attachment
  2. Distal Attachment
  3. Actions
  4. Blood Supply
  5. Innervation
A
  1. External surfaces of lateral parts of ribs 1-9
  2. Anterior Surface of Medial border of Scapula
  3. Protraction of scapula, and holds it to the thoracic wall, rotates scapula
  4. Lateral thoracic artery
  5. Long Thoracic nerve (C5,C6,C7)
18
Q

Supraspinatus

  1. Proximal Attachment
  2. Distal Attachment
  3. Actions
  4. Blood Supply
  5. Innervation
A
  1. Supraspinous fossa
  2. Superior facet of greater tubercle of humerus
  3. Abduction (with deltoid), stabilizes shoulder joint
    1. One of the rotator cuff muscles
  4. suprascapular artery
  5. suprascapular nerve (C4,C5,C6)
19
Q

Subscapularis

  1. Proximal Attachment
  2. Distal Attachment
  3. Actions
  4. Blood Supply
  5. Innervation
A
  1. Subscapular fossa
  2. Lesser tubercle of humerus
  3. Medial Rotation, Adduction, Stabilizes shoulder joint
    1. 1 of the rotator cuff muscles
  4. subscapular artery
  5. upper and lower subscapular nerves (C5,C6,C7)
20
Q

Infraspinatus

  1. Proximal Attachment
  2. Distal Attachment
  3. Actions
  4. Blood Supply
  5. Innervation
A
  1. Infraspinous fossa
  2. Middle facet of greater tubercle of humerus
  3. Lateral rotation, Adduction
    1. 1 of the rotator cuff muscles
  4. Suprascapular artery
  5. Suprascapular nerve (C5,C6)
21
Q

Teres Minor

  1. Proximal Attachment
  2. Distal Attachment
  3. Actions
  4. Blood Supply
  5. Innervation
A
  1. Middle part of lateral border of scapula
  2. Inferior facet of greater tubercle of humerus
  3. Laterally rotates humerus, helps hold humeral head in place
  4. Circumflex scapular artery
  5. Axillary Nerve (C5,C6)
22
Q

Splenius Cervicis

  1. Origin
  2. Insertion
  3. Actions
  4. Blood Supply
  5. Innervation
A
  1. Nuchal Ligament and Spinous processes of C7-T6
  2. Tubercles of Transverse processes of C1-C3. (sometimes C4)
  3. Bilateral= extend head and neck
    1. Unilateral=Laterally flex neck and rotate head to side of contracting muscle
  4. Transverse cervical artery, occipital artery, muscular branches from aorta
  5. Dorsal rami of spinal nerves
23
Q

Splenius Capitis

  1. Origin
  2. Insertion
  3. Actions
  4. Blood Supply
  5. Innervation
A
  1. Nuchal Ligament and Spinous processes of C7-T6
  2. Lateral parts of mastoid processes and superior nuchal line
  3. Bilateral= extend head and neck
    1. Unilateral=Laterally flex neck and rotate head to side of contracting muscle
  4. Transverse cervical artery, occipital artery, muscular branches from aorta
  5. Dorsal rami of spinal nerves
24
Q
A

Musculoskeletal (11 decks)

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