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Posterior Torso

Muscles of the Posterior Torso

QuestionAnswer
What is the Origin of the Erector Spinae (group) Thoracolumbar aponeurosis which attaches to posterior surface of sacrum, iliac crest, spinous processes of lumbar and last 2 thoracic vertebrae.
What is the Origin of the Multifidus Sacrum & transverse processes of lumbar through to cervical vertebrae
What is the Origin of the Rotators Transverse processes of lumbar through cervical vertebrae
What is the Origin of the Levator Scapulae Transverse processes of C1 – C4
What is the Origin of the Trapezius External Occipital protuberance, medial portion of superior nuchal line of occiput, ligamnetum nuchae & spinous processes of C7-T12
What is the Origin of the Rhomboids Minor=Spinous processes of C7-T1 Major= Spinous processes of T2-T5
What is the Origin of the Latissimus Dorsi Spinous processes of T7-T12, last 3or 4 ribs, thoracolumbar aponeurosis & posterior iliac crest
What is the Origin of the Quadratus Lumborum Posterior Iliac crest
What is the insertion of the Erector Spinae (group) Various attachments at posterior ribs, spinous and transverse processes of T and C vertebrae and mastoid process.
What is the insertion of the Multifidus Spinous processes of lumbar vertebrae through to C2. Span two to four vertebrae.
What is the insertion of the Rotators Spinous processes of lumbar vertebrae through to C2. Span one to two vertebrae.
What is the insertion of the Levator Scapulae Upper region of medial border and superior angle of scapula
What is the insertion of the Trapezius Lateral third of clavicle, acromion & spine of scapula
What is the insertion of the Rhomboids Minor= upper portion of medial border of scapula, across from spine of scapula Major= Medial border of scapula between spine of scapula & inferior angle
What is the insertion of the Latissimus Dorsi Crest of lesser tubercle of humerus
What is the insertion of the Quadratus Lumborum Last rib and transverse processes of L1-L4
What are the Actions of the Erector Spinae (group) UNILATERAL= laterally flex vertebral column BILATERAL=Extend vertebral column
What are the Actions of the Multifidus UNILATERAL=Rotate spinal column to opposite side BILATERAL=Extend spinal column (Mul)
What are the Actions of the Rotators UNILATERAL=Rotate spinal column to opposite side BILATERAL=Extend spinal column (Rot)
What are the Actions of the Levator Scapulae UNILATERAL=Elevate & downwardly rotate scapula Laterally flex head & neck Rotate head & neck to same side BILATERAL= Extend head & neck
What are the Actions of the Trapezius UPPER=bilal' ext head & neck. Unilat' = lat. flex head & neck to same side/rotate head & neck to opposite side/elevate scap/upwardly rotate scapula MIDDLE = add' & stabilize scap LOWER = Depress and upwardly rotate scap
What are the Actions of the Rhomboids Adduct, Elevate and downwardly rotate scapula
What are the Actions of the Latissimus Dorsi Extend adduct & medially rotate shoulder joint
What are the Actions of the Quadratus Lumborum UNILATERAL=Laterally tilt pelvis/Laterally flex spine to same side/Assist to extend spine BILATERAL=Fix last rib during inhalation & forced exhalation
Which muscle Originates from the Thoracolumbar aponeurosis which attaches to posterior surface of sacrum, iliac crest, spinous processes of lumbar and last 2 thoracic vertebrae. Erector Spinae (group)
Which muscle Originates from the Sacrum & transverse processes of lumbar through to cervical vertebrae Multifidus
Which muscle Originates from the Transverse processes of lumbar through cervical vertebrae Rotators
Which muscle Originates from the Transverse processes of C1 – C4 Levator Scapulae
Which muscle Originates from the External Occipital protuberance, medial portion of superior nuchal line of occiput, ligamnetum nuchae & spinous processes of C7-T12 Trapezius
Which muscle Originates from the Minor=Spinous processes of C7-T1 Major= Spinous processes of T2-T5 Rhomboids
Which muscle Originates from the Spinous processes of T7-T12, last 3or 4 ribs, thoracolumbar aponeurosis & posterior iliac crest Latissimus Dorsi
Which muscle Originates from the Posterior Iliac crest Quadratus Lumborum
Which muscle Inserts into the Various attachments at posterior ribs, spinous and transverse processes of T and C vertebrae and mastoid process. Erector Spinae (group)
Which muscle Inserts into the Spinous processes of lumbar vertebrae through to C2. Span two to four vertebrae. Multifidus
Which muscle Inserts into the Spinous processes of lumbar vertebrae through to C2. Span one to two vertebrae. Rotators
Which muscle Inserts into the Upper region of medial border and superior angle of scapula Levator Scapulae
Which muscle Inserts into the Lateral third of clavicle, acromion & spine of scapula Trapezius
Which muscle Inserts into the Minor= upper portion of medial border of scapula, across from spine of scapula Major= Medial border of scapula between spine of scapula & inferior angle Rhomboids
Which muscle Inserts into the Crest of lesser tubercle of humerus Latissimus Dorsi
Which muscle Inserts into the Last rib and transverse processes of L1-L4 Quadratus Lumborum
Which muscle's Actions are to: UNILATERAL= laterally flex vertebral column BILATERAL=Extend vertebral column Erector Spinae (group)
Which muscle's Actions are to: UNILATERAL=Rotate spinal column to opposite side BILATERAL=Extend spinal column (Mul) Multifidus
Which muscle's Actions are to: UNILATERAL=Rotate spinal column to opposite side BILATERAL=Extend spinal column (Rot) Rotators
Which muscle's Actions are to: UNILATERAL=Elevate & downwardly rotate scapula Laterally flex head & neck Rotate head & neck to same side BILATERAL= Extend head & neck Levator Scapulae
Which muscle's Actions are to: UPPER=bilal' ext head & neck. Unilat' = lat. flex head & neck to same side/rotate head & neck to opposite side/elevate scap/upwardly rotate scapula MIDDLE = add' & stabilize scap LOWER = Depress and upwardly rotate scap Trapezius
Which muscle's Actions are to: Adduct, Elevate and downwardly rotate scapula Rhomboids
Which muscle's Actions are to: Extend adduct & medially rotate shoulder joint Latissimus Dorsi
Which muscle's Actions are to: UNILATERAL=Laterally tilt pelvis/Laterally flex spine to same side/Assist to extend spine BILATERAL=Fix last rib during inhalation & forced exhalation Quadratus Lumborum
Created by: Arran105