Lab Study Flashcards
What is the origin of the Trapezius?
occipital protuberance, ligamentum nuchae, spinous processes of C7-T12
What is the insertion of the Trapezius?
Lateral Clavicle, spine of scapula, root of spine of scapula
What is the action of the trapezius?
Elevation of scapula, upward rotation of scapula, retraction of scapula, depression of scapula, upward rotation of scapula
What is the nerve supply of the Trapezius?
spinal accessory nerve (cranial nerve 10)
What is the OIAN of the Trapezius?
Ori- occipital protuberance, ligamentum nuchae, spinous processes of C7-T12
Inser- lateral clavicle, spine of scapula, root of spine of scapula
Action- elevation of scapula, upward rotation of scapula, retraction of scapula, depression of scapula, upward rotation of scpaula
Nerve: spinal accessory nerve
What is the origin of Rhomboid Minor?
Spinous processes of C7-T1
What is the insertion of Rhomboid Minor?
Root of spine of scapula
What is the action of rhomboid minor?
Retraction of scapula, downward rotation of scapula
What is the nerve supply of the Rhomboid Minor?
Doral scapular nerve
What is OIAN of the Rhomboid Minor?
Ori- Spinous processes of C7-T1
Insertion- Root of spine of scapula
Action- retraction of scapula, downward rotation of scapula
Nerve- Doral scapular nerve
What is the origin of the Rhomboid Major?
Spinous processes of T2-T5
What is the insertion of Rhomboid Major?
Vertebral border of scapula inferior to root of spine
What is the action of the Rhomboid Major ?
retraction of scapula, downward rotation of scapula
What is the nerve supply of rhomboid major?
Doral scapular nerve
What is the OIAN of Rhomboid Major?
O- Spinous processes of T2-T5
I- Vertebral border of scapula inferior to root of spine
A- retraction of scapula, downward rotation of scapula
N- dorsal scapular nerve
What is the origin of Levator Scapulae?
Transverse processes of C1-C4
What is the insertion of Levator Scapulae?
Vertebral border of scapula superior to root of spine
What is the Action of Levator Scapulae?
Elevation of scapula, downward rotation of scapula
What is the nerve supply of Levator Scapulae?
Dorsal scapular nerve
What is the OIAN of Levator Scapulae?
O- transverse processes of C1-C4
I- vertebral border of scapula superior to root of spine
A- elevation of scapula, downward rotation of scapula
N- dorsal scapular nerve
What is the origin of Latissimus Dorsi?
Spinous processes of T7-T12, Lower ribs, Thoracolumbar aponeurosis, Iliac crest
What is the insertion of Latissimus Dorsi?
Bicipital groove of humerus
What is the action of Latissimus Dorsi?
Extension of shoulder, Internal rotation of shoulder, adduction of shoulder
What is the nerve supply of Latissimus Dorsi?
Thoracodorsal Nerve
What is the OIAN of Latissimus Dorsi?
O- Spinous process of T7-T12, lower ribs, thoracolumbar aponeurosis, iliac crest
I- bicipital groove of humerus
A- extension of shoulder, internal rotation of shoulder, adduction of shoulder
N- thoracodorsal nerve
What is the origin of the serratus posterior superior?
Ligamentum nuchae, spinous processes of C7-T3
What is the insertion of the serratus posterior superiot?
superior border of ribs 2-4
What is the action of serratus posterior superior?
Elevate ribs
What is the nerve supply of serratus posterior superior?
intercostal nerves T1-T4
What is the OIAN of serratus posterior superior?
O- ligamentum nuchae, spinous processes of C7-T3
I- superior border of ribs 2-4
A- elevate ribs
N- intercostal nerves T1-T4
What is the origin of Serratus Posterior Inferior ?
Spinous processes of T11- L2
What is the insertion of serratus posterior inferior?
Inferior border of ribs 9-12
What is the action of serratus posterior inferior?
depresses ribs
What is the nerve supply of serratus posterior inferior
intercostal nerves T9-T12
What is the OIAN of serratus posterior inferior?
O- spinous processes of T11-L2
I- inferior border of ribs 9-12
A- depresses ribs
N- intercostal nerves T9-T12
What is the origin of Iliocostalis
Posterior Ribs, thoracolumbar aponeurosis, iliac crest, sacrum
What is the insertion of Iliocostalis?
transverse processes of cervical vertebrae, posterior ribs
What is the action of Iliocostalis?
Extension of vertebral column, lateral flexion of vertebral column
What is the nerve supply of Iliocostalis
Posterior rami of spinal nerves
What is the OIAN of Iliocostalis
O- Posterior ribs, thoracolumbar aponeurosis, iliac crest, sacrum
I- transverse processes of cervical vertebrae, posterior ribs
A- extension of vertebral column, lateral flexion of vertebral column
N- posterior rami of spinal nerves
What is the origin of Longissimus?
Transverse processes of cervical and thoracic vertebrae, thoracolumbar aponeurosis, iliac crest, sacrum
What is the insertion of Longissimus
mastoid process, transverse processes of cervical and thoracic vertebrae
What is the action of Longissimus?
Extension of vertebral column, lateral flexion of vertebral column
What is the nerve supply of Longissimus?
Posterior Rami of spinal nerves
What is the OIAN of Longissimus?
O-transverse processes of cervical and thoracic vertebrae, thoracolumbar aponeurosis, iliac crest, sacrum
I- mastoid process, transverse processes of cervical and thoracic vertebrae
A- extension of vertebral column, lateral flexion of vertebral column
N- posterior rami of spinal nerves
What is the origin of Spinalis?
Ligamentum nuchae, spinous processes of cervical, thoracic, and lumbar vertebrae
What is the insertion of Spinalis?
Occipital Bone, Spinous processes of cervical and thoracic vertebrae
What is the action of Spinalis?
Extension of vertebral column, lateral flexion of vertebral column
What is the nerve supply of Spinalis?
Posterior rami of spinal nerves
What is the OIAN of Spinalis?
O- ligamentum nuchae, spinous processes of cervical, thoracic, and lumbar vertebrae
I- occipital bone, spinous processes of cervical and thoracic vertebrae
A- Extension of vertebral column, lateral flexion of vertebral column
N- posterior rami of spinal nerves.
Origin of Rectus Capitus Posterior Major
Spinous process of axis
Insertion of Rectus Capitus Posterior Major
Occipital bone
Action of Rectus Capitus Posterior Major
Extension of atlanto-occipital joint, ipsilateral rotation at the atlanto-axial joint
Nerve supply of Rectus Capitus Posterior Major
Posterior ramus of spinal nerve C1
OIAN of Rectus Capitus Posterior Major
O-spinous process of axis
I- occipital bone
A- extension and ipsilateral rotation of atlanto-occipital joint
N- posterior ramus of spinal nerve C1
Origin of Rectus Capitus Posterior Minor
Posterior tubercle of atlas
Insertion of Rectus Capitus Posterior Minor
Occipital Bone
Action of Rectus Capitus Posterior Minor
extension of atlanto-occipital joint
Nerve Supply of Rectus Capitus Posterior Minor
Posterior Ramus of spinal nerve C1
OIAN of Rectus Capitus Posterior Minor
O- posterior tubercle of atlas
I- occipital bone
A- extension of atlanto-occipital joint
N- Posterior Ramus of spinal nerve C1
Origin of Obliquus Capitus Superior
Transverse process of atlas
Insertion Obliquus Capitus Superior
Occipital Bone
Action Obliquus Capitus Superior
Extension of atlanto-occipital joint
Lateral flexion of atlanto-occipital joint
Nerve Supply Obliquus Capitus Superior
Posterior ramus of spinal nerve C1
OIAN of Obliquus Capitus Superior
O- transverse process of atlas
I- Occipital Bone
A- extension of atlanto-occipital joint, lateral flexion of atlanto-occipital joint
N- posterior ramus of spinal nerve C1
Origin Obliquus Capitus Inferior
Superior process of the axis
Insertion Obliquus Capitus Inferior
transverse process of the atlas
Action Obliquus Capitus Inferior
Ipsilateral rotation of the atlanto-axial joint
Nerve Supply of Obliquus Capitus Inferior
Posterior ramus of spinal nerve C1
OIAN of Obliquus Capitus Inferior
O-superior process of the axis
I- transverse process of the atlas
A- ipsilateral rotation of the atlanto-axial joint
N- posterior ramus of spinal nerve C1
Origin of Splenius Capitus
Spinous process of the C7-T3, ligamentum nuchae
Insertion of Splenius Capitus
Occipital bone, mastoid process
Action of Splenius Capitus
Extension of head and neck, lateral flexion and rotation of head
Nerve Supply of Splenius Capitus
Posterior ramus of spinal nerve C2-3
OIAN of Splenius Capitus
O-spinous process of the C7-T3, ligamentum nuchae
I- occipital bone, mastoid process
A- extension of head and neck, lateral flexion and rotation of head
N- posterior ramus of spinal nerve C2-3