the back Flashcards
latissimus dorsi P
Propelling a wheelchair forward, Pushing downwards on the arms of a chair
latissimus dorsi MA
EXTENDS the shoulder
ADDUCTS the shoulder
INTERNALLY ROTATES (medially) the shoulder
(GHJ Joint)
latissimus dorsi PA
- Inferior angle of scapula
- Spinous Processes of inferior 6 thoracic vertebrae
- Thoracolumbar fascia
-Iliac Crest - Inferior 3 or 4 ribs
latissimus dorsi DA
Floor of intertubercular sulcus of humerus
latissimus dorsi N
Thoracodorsal nerve C6, C7, and C8
Trapezius P
- Reaching for an object overhead (UT, LT)
- Rowing a Kayak or Canoe (MT)
Trapezius MA
Upper Fibers:
- Bilaterally: Extend the head and neck
- Unilaterally: Laterally flex the head and neck to the same side
- Rotate the head and neck to the opposite side
- Elevate the scapula (ST Joint)
- Upwardly rotate the scapula (ST Joint)
Middle Fibers:
- Adduct the scapula (ST Joint)
- Stabilize the scapula (ST Joint)
Lower Fibers:
- Depress the scapula (ST Joint)
- Upwardly Rotate the scapula (ST Joint)
trapezius PA
- External occipital protuberance
- Medial 1/3rd of superior nuchal line of the occiput
- Ligamentum nuchae
- SP of C7 and T12
trapezius DA
- Lateral 1/3rd of clavicle
- Acromion
- Spine of scapula
trapezius N
- Spinal accessory nerve (CN Xl)
- Ventral Ramus C3 and C4 (pain and proprioceptive fibers)
levator scapulae P
Shrugging the shoulders, carrying a briefcase, or backpack on one shoulder
levator scapulae MA
Unilaterally:
- ELEVATE the scapulae
- DOWNWARDLY rotate the scapula
(ST Joint)
levator scapulae PA
Posterior tubercles of TP of C1 to C4
levator scapulae DA
Medial border of scapula between superior angle and root of spine of scapula
levator scapulae N
Cervical C3 and C4 and dorsal scapular nerve (C4 and C5)
rhomboid major and minor P
Reaching into a back pocket
rhomboid major and minor MA
- ADDUCT/ RETRACT the scapula
- DOWNWARDLY rotate the scapula (ST Joint)
- FIX scapula to thoracic wall (ST Joint)
rhomboid major and minor PA
Major: SP of T2 to T5
Minor: Nuchal ligament; SP of C7 to T1
rhomboid major and minor N
Dorsal scapular nerve (C4, C5)
rhomboid major and minor DA
Major: medial border of the scapula between the spine of the scapula and inferior angle
Minor: medial border of the scapular spine