Back Flashcards
Upper Trapezius
(O,I,A,N)
O: EOP and med 1/3 of Sup Nuchal line, nuchal ligament & SP C7
I: acromion & lateral 1/3rd clavicle
A:
* Retract scapula @ scapulocostal jt
* Elevate scapula @ Scapulocostal jt
* Extension, lateral flexion and contralateral rotation of the neck at spinal jt’s
N: Spinal Accessory (CN XI)
Middle Trapezius
(O,I,A,N)
O: SP’s of T1-T5
I: Acromion and spine of scapula
A: Retract scapula @ Scapulocostal jt
* Extension, Lateral flexion and Contralateral rotation of the neck @ the spinal jts.
N: Spinal Accessory (CN XI)
Lower Trapezius
(O, I, A, N)
O: SPs of T6 - T12
I: Root of spine of scapula
A:
* Retract scapula @ Scapulocostal jt
* Depress scapula @ Scapulocostal jt
* Extension, Lateral flexion and Contralateral rotation of the neck @ the spinal jts.
N: Spinal Accessory (CN XI)
Latissimus Dorsi
(O,I,A,N)
O:
* SPs of T7 - L5, post illiac crest & sacrum
* Lower 4 ribs
I: Med lip of bicipital groove
A:
* Extension, medial rotation & adduction of the humerus @ GH joint
* Anterior pelvic tilt
N: Thoraco-dorsal nerve
Rhomboid Major
(O,I,A,N)
O: SPs of T2-T5
I: Inferior portion of medial border of scapula
A: Retracts and Elevates scapula @ Scapulocostal jt
N: Dorsal Scapular Nerve
Rhomboid Minor
(O,I,A,N)
O:
* SPs of C7 - T1
* Inferior Nuchal Lig
I: Root of the spine of scapula
A: Retracts and Elevates scapula @ scapulocostal jt
N: Dorsal Scapular Nerve
Levator Scapulae
(O,I,A,N)
O: TvPs of C1 - C4
I: Superior angle and superior portion of medial border of scapula
A:
* Elevates the scapula @ Scapulocostal jt
* Extension and lateral flexion of the neck @ spinal jts
N: Dorsal Scapular Nerve
Serratus Posterior Superior
(O,I,A)
O: SPs of C7 - T3 and nuchal ligament
I: Ribs #2-5
A: Elevates Ribs 2-5 @ Sternocostal and Costospinal jts
Serratus Posterior Inferior
(O,I,A)
O: SPs of T11 - L2
I: Ribs 9 - 12
A: Depresses ribs 9 - 12 at Sternocostal and Costalspinal jts
Illiocostalis - Lumborum
(O, I, A, N)
O: Medial iliac crest & med/lat sacral crest
I: Ribs 7 - 12
A: Extension, Lateral flexion, and Ipsilateral rotation of the neck and trunk @ spinal jts
Anterior pelvic rotation
N: Spinal Nerves
Iliocostalis - Thoracis
(O, I, A, N)
O: Ribs 7 - 12
I: Ribs 1 - 6 and TvP of C7
A: Extension, Lateral flexion, and Ipsilateral rotation of the neck and trunk @ spinal jts
Anterior pelvic rotation
N: Spinal Nerves
Illiocostalis - Cervicis
(O, I, A, N)
O: Ribs 3-6
I: TvPs of C4-C6
A: Extension, Lateral flexion, and Ipsilateral rotation of the neck and trunk @ spinal jts
Anterior pelvic rotation
N: Spinal Nerves
Longissiumus - Thoracis
(O, I, A, N)
O: Med iliac crest, sacrum, and TvPs of L1-L5
I: TvPs of all Tsp & ribs 3-12
A: Extension, Lateral Flexion, Ipsilateral of the head, neck, and trunk @ spinal jts
Anterior Pelvlic Tilt
N: Spinal Nerves
Longissiumus - Cervicis
(O, I, A, N)
O: TvPs of T1-T5
I: TvPs of C2-C6
A: Extension, Lateral Flexion, Ipsilateral rotation of the head, neck, and trunk @ spinal jts
Anterior Pelvlic Tilt
N: Spinal Nerves
Longissiumus - Capitis
(O, I, A, N)
O: TvPs of T1-T5 & articular processes C4-C7
I: Mastoid Process
A: Extension, Lateral Flexion, Ipsilateral of the head, neck, and trunk @ spinal jts
Anterior Pelvlic Tilt
N: Spinal Nerves