Flashcards
Back Muscles
Cards in this deck (17)
- 1TrapeziusOrigin: ligamentum nuchae + spinous processes C7-T12
Insertion: Acromion + lateral 1/3 of clavicle + spine of scapula
Innervation: Motor Accesory XI
Blood supply: superficial branch of transverse cervical artery
Function: rotates scapulae - 2Latissimus DorsiOrigin: SP T7-L5+sacrum+iliac crest+Ribs X-XII
Insertion: Humerus
Innervation: Thoracodorsal C6-C8
Blood Supply: Thoracodorsal Artery
Function: Moves humerus - 3Levator ScapulaeOrigin: SP C1-C4
Insertion: Upper part of scapulae
Innervation: C3-C4+dorsal scapular nerve C4-C5
Blood Supply: Ascending & transverse cervical arteries
Function: elevates scapula - 4Rhomboid MajorOrigin: SP T2-T5
Insertion: medial portion of scapula
Innervation: Dorsal scapular nerve C4-C5
Blood Supply: -
Function: Elevates & retracts scapula - 5Rhomboid MinorOrigin: SP C7 - T1
Insertion: Median portion of scapula
Innervation: Dorsal scapular nerve C4-C5
Blood Supply: -
Function: Elevates and retracts scapulae - 6Serratus Posterior SuperiorOrigin: SP C7 - T3
Insertion: Ribs 2-5
Innervation: Anterior rami of upper thoracic nerves T2-T5
Blood Supply: Intercostal arteries T2-T5
Function: Elevates ribs 2-5 - 7Serratus Posterior InferiorOrigin: SP T11-L3
Insertion: Ribs 9-12
Innervation: Anterior Rami of lower thoracic nerves 9-12
Blood Supply: intercostal arteries 9-12
Function: depresses ribs 9-12 - 8Splenius CapitisOrigin: ligamentum nuchae+SP C7-T3
Insertion: Mastoid process
Innervation: Posterior rami of middle cervical nerves
Function: Moves ead backwards + rotates neck - 9Splenius CervicisOrigin: SP T3-T6
Insertion: TP C1-C3
Innervation: Posterior Rami of lower cervical nerves
Function: Extends neck - 10Iliocostalis LumborumOrigin: Sacrum + Iliac Crests
Insertion: Ribs 6-12
Innervation: Dorsal rami of lumbar and thoracic nerves
Function: Extends back and laterally flexes back - 11Iliocostalis ThoracisOrigin: RIbs 7-12
Insertion: 1-6 + TP of C7
Innervation: Dorsal rami of thoracic nerves
Function: extends back and laterally flexe back - 12Iliocostalis cervicisOrigin: Ribs 3-6
Insertion: TP of C4-C6
Innervation: Dorsal rami of cervical nerves
Function: Extends neck ando rotates head - 13Longissimus ThoracisOrigin: Blends with iliocostalis lumborum+SP of lumbar vertebrae
Insertion: TP of T1-T12 + Ribs 3-12
Innervation: Dorsal rami of thoracic and lumbar nerves
Function: Extends back and laterally flexes back - 14Longissimus CervicisOrigin: TP of T1-T5
Insertion: TP of C2-C6
Innervation: Dorsal rami of thoracic nerves
Function: extends neck and laterally flexes neck - 15Longissimus capitisOrigin: TP C4-T5
Insertion: Mastoid process
Innervation: Dorsal rami of cervical nerves
Function: extends neck and laterally flexes neck - 16Spinalis ThoracisOrigin: SP T11-L2
Insertion: T3-T8
Innervation: dorsal rami of thoracic and lumbar nerves
Function: extends back - 17Spinalis CervicisOrigin: SP C7-T3
Insertion: SP C2-C4
Innervation: dorsal rami of lower cervical nerves
Function: extends neck
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- fisiologia Anatomía Flashcards on Back Muscles, created by Aitana Eizaguirre on 10/02/2015.
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- Aitana Eizaguirre
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