Back and Spine Flashcards
1
Q
Latissimus Dorsi: Attachment Innervation Roots of the nerve Action
A
- spinous process T7-L5, thoracocolumbar fasica, iliac crest -> intertubercular sulcus of humerus
- thoracodorsal nerve
- C6-C8
- rotate humerus
2
Q
Levator Scapulae Attachment Innervation Roots of nerve Action Blood supply
A
- transverse process C1-C4 -> medial border of scapula
- anterior rami C3-C4 and dorsal scapular nerve
- C5
- elevate scapula
- dorsal scapular artery, transverse cervical artery
3
Q
Rhomboid Major
Attachment
Innervation
Roots of nerve
A
- spinous processes T2-T5 -> medial border of scapula
- dorsal scapular nerve
- C5
- retract scapula
4
Q
Rhomboid Minor Attachment Innervation Roots of nerve Action
A
- C7-T1 + nuchal ligament -> medial border of scapula
- dorsal scapular nerve
- C5
- retract scapula
5
Q
Serratus posterior superior
Attachment
Innervation
Action
A
- spinous process C7-T3 -> ribs 2-5 from nuchal ligament
- intercostal nerves T2-T5
- elevate ribs
6
Q
Serratus posterior inferior
Attachment
Innervation
Action
A
- spinous process T11-L3 -> ribs 9-12
- anterior rami T9-12
- depresses ribs
7
Q
Trapezius
Attachment
Innervation
Action
A
- nuchal ligament , occipital protuberance -> lateral third of clavicle
- accessory nerve
- rotates scapula
8
Q
Key cervical dermatomes to learn
C6
C7
C8
A
C6 - Thumb
C7 - Middle finger
C8 - Little finger
9
Q
Key thoracic dermatomes
T1 T2 T4 T6 T10
A
T1 - Anteromedial forearm and arm T2 - Medial forearm and arm to the axilla T4 - Nipple T6 - Xyphoid process T10 - Umbilicus
10
Q
Key lumbar and sacral dermatomes to learn L3 L4 L5 S1
A
L3 - Medial knee
L4 - Anterior knee and medial malleolus
L5 - Dorsal surface of the foot and first, second, and third toes
S1 - Lateral malleolus
11
Q
Splenius capitis
Attachment
Innervation
Action
A
- C7-T3 -> mastoid process
- posterior rami of middle cervical nerves
- extend neck
12
Q
Splenius cervicis
Attachment
Innervation
Action
A
- T3 - T5 -> C1-C3
- posterior rami of lower cervical nerves
- extend neck
13
Q
Teres major
Attachment
Innervation
Action
A
- inferior angle of scapula -> intertubercular sulcus
- subscapular nerve
- internal rotation of arm
14
Q
Teres minor
Attachment
Innervation
Action
A
- lateral border of scapular -> great tubercle on humerus
- axillary (c5, C6)
- external rotation of arm
