Back, Neck, Shoulder Flashcards
(35 cards)
1
Q
Trapezius
A
- Superior nuchal line
- Ex. occipital protub.
- Nuchal ligament
- SPs C7-T12
- Clavicle
- Acromion
- Spine of scapula
Scapula: -Elevation/ upward rotation (upper fibers) -Adduction (middle fibers) -Depression (lower fibers)
- Spinal accessory nerve (CN XI)
- Anterior rami C3-C4
2
Q
Rhomboid Major
A
- SPs of T2-T5
- Medial border of scapula from root of spine of scapula to inferior angle
- Scapula:
- Adduction
- Elevation
- Downward Rotation
-Dorsal Scapular n. (C5)
3
Q
Rhomboid Minor
A
- Lower Nuchal Ligament
- SPs of C7-T1
-Root of spine of scapula
- Scapula:
- Adduction
- Elevation
- Downward Rotation
-Dorsal scapular n. (C5)
4
Q
Levator Scapulae
A
- TPs of C1-C4
- superior angle of scapula
- Elevation/ downward rotation of scapula
- Dorsal Scapular n. (C5)
- AR C3-C4
5
Q
Latissimus Dorsi
A
- SPs of T6-L5
- Iliac Crest
- Ribs 10-12
-Medial lip of intertubercular sulcus
- Extension, Adduction, and Internal Rotation of Humerus
- Downward rotation of scapula
-Thoracodorsal n. (C6-C8)
6
Q
Serratus Posterior Superior
A
- Nuchal Ligament
- SPs of C7-T3
- Ribs 2-5
- Elevation of Ribs
- AR of T2-T5
7
Q
Serratus Posterior Inferior
A
- SPs T11-L3
- Ribs 9-12
- Depression of ribs
- AR of T9-T12
8
Q
Splenius Capitis
A
- Nuchal Ligament
- SPs C7-T6
- Mastoid Process
- Occipital Bone
- Unilateral: Lateral Flexion (same side) of neck, Rotation of head (same side)
- Bilateral: Ext. of head and neck.
-PR of spinal nerves
9
Q
Splenius Cervicis
A
- Nuchal Ligament
- SPs of C7-T6
-TPs of C1-C4
- Unilateral: Lateral Flexion of neck (same side), Rotation of head (same side)
- Bilateral: Ext. of head and neck.
-PR of spinal nn.
10
Q
Erector Spinae Muscles
“I like spaghetti”
Iliocostalis
Longissimus
Spinalis
A
-Arises by a broad tendon from posterior part of iliac crest -Posterior surface of sacrum Sacroiliac ligaments -Sacral and inferior lumbar SPs -Supraspinous ligament
Iliocostalis:
-Angles of lower ribs
-Cervical TPs
Longissimus:
-Ribs (b/w tubercles and
angles)
-Cervical/ Thoracic TPs
-Mastoid Process
Spinalis:
-Upper Thoracic SPs
-Cranium
Unilateral:
- Ipsilateral Lateral
flexion of
vertebral column
Bilateral:
-Extension of vertebral
column/ head
-Eccentric control in
flexion of vertebral
column
-Posterior Rami of spinal nn.
11
Q
Semispinalis mm.
- Capitis
- Cervicis
- Thoracis
A
-TPs of C4-T12
- b/w superior and inferior nuchal line of occipital bone
- SPs of C2-T6
-Extension and CL rotation of
head, t-spine, c-spine.
-Segmentally innervated by dorsal primary rami of spinal nn.
12
Q
Multifidus
A
-Aponeurosis of erector spinae
muscles
-Sacrum
-TPs: cervical, lumbar, thoracic
- SPs: lumbar, thoracic, lower
cervical.- spans 2-4 levels*
- Extension and CL rotation of vertebral column
- Lumbar stabilization
-Segmentally innervated by dorsal primary rami of spinal nn.
13
Q
Rotatores
- Longus
- Brevis
A
- TPs of C2-Sacrum
- Near lamina immediatley above vertebra of origin
- Extension and CL rotation of vertebral column
- Segmentally innervated by dorsal primary rami of spinal nn.
14
Q
Interspinalis mm.
A
- SP above
- SP below
- Stabilization
- Dorsal rami of spinal nn.
15
Q
Intertransversarii mm.
A
- TP above
- TP below
- Stabilization
- Dorsal rami of spinal nn.
16
Q
Levatores costarum mm.
A
-TP above
-Pass inferiolaterally and insert
on rib
-Elevates rib
-Dorsal rami of C8-T11 spinal
nn.
17
Q
Rectus Capitis Posterior Major
A
- SP of C2
- Occipital bone
- Extension and ipsilateral rotation of head
- Dorsal rami C1
18
Q
Rectus Capitis Posterior Minor
A
- Posterior tubercle of C1
- Occipital bone
- Extension of head
- Dorsal rami of C1
19
Q
Obliquus Capitis Superior
A
- TP of C1
- Occipital bone
- Extension and Ipsilateral lateral flexion
- Dorsal rami of C1
20
Q
Deltoid
A
- Clavicle
- Acromion
- Spine of scapula
- Deltoid tuberosity of the humerus
- Flexion (anterior fibers)
- Abduction (medial fibers)
- Extension (posterior fibers)
-Axillary n. C5/C6
21
Q
Serratus Anterior
A
- Upper 8 or 9 ribs
- Medial border of scapula
- Protraction/ upward rotation of scapula
- anchors scapula to thoracic wall
-Long thoracic n.(C5-C7)
22
Q
Pectoralis Minor
A
- Ribs 3-5
- Coracoid process of scapula
- Protraction/ Downward rotation of scapula
- Pulls tip of shoulder down
-Medial pectoral n. (C8-T1)
23
Q
Subclavius
A
- 1st rib
- clavicle
- pulls clavicle medially to stabilize sternoclavicular joint
- Nerve to subclavius (C5/C6)
24
Q
Supraspinatus
A
- Supraspinous fossa
- greater tubercle of humerus
- Abduction of humerus (first 15-degrees)
- Suprascapular n (C5/C6)
25
Infraspinatus
- Infraspinous fossa
- Greater tubercle of humerus
- External rotation of humerus
- Suprascapular n. (C5/C6)
26
Teres Minor
- lateral border of scapula
- greater tubercle of humerus
- external rotation of humerus
- Axillary n. (C5/C6)
27
Subscapularis
- Subscapular fossa
- lesser tubercle of humerus
- internal rotation of humerus
- Superior and Inferior subscapular nn. (C5/C6)
28
Teres Major
-Inferior angle of scapula
-Medial lip of intertubercular
sulcus
- Internal rotation of humerus
- Lower subscapular n. (C5/C6)
29
Pectoralis Major
- Sternum
- Clavicle
-Lateral lip of intertubercular
sulcus
-Adduction, Flexion, and
internal rotation of humerus
-Medial(C8-T1) and lateral (C5-
C7) pectoral nn.
30
Sternocleidomastoid
- Manubrium
- Clavicle
-Mastoid process
```
Bilateral:
-Draws head anteriorly
-Extends neck at C0-C1
-Flexion of neck
Unilateral:
-CL rotation
```
- Spinal accessory n. (CN XI)
- AR C2-C3
31
Platysma
-fascia covering deltoid and pectoralis major
- Inferior border of manidible
- Skin and subcutaneous tissue
- Draws corners of mouth inferiorly, widens mouth
- Draws skin anteriorly when clenching teeth
-Cervical branch of facial nerve (CNVII)
32
Suboccipital Triangle
Borders:
Rectus capitis posterior major
Obliquus capitis superior
Obliquus capitis inferior
Contents:
Vertebral artery
Suboccipital nerve (C1)
33
Quadranglar Space
Borders:
- Subscapularis
- Teres major
- Surgical neck of humerus
- long head of tricep
Content:
- axillary nerve
- posterior circumflex artery
34
Triangular space
Borders:
- teres major
- teres minor
- long head of tricep
Content: circumflex scapular artery
35
Obliquus Capitis Inferior
- SP of C2
- TP of C1
- Ipsilateral rotation of head
- DR of C1
