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Medical School Anatomy
WEEK 1
72
Anatomy
Professional
08/31/2014

Additional Anatomy Flashcards

 


 

Cards

Term

Trapezius

Superior

Origin

Definition
Occipital bone; spinous process of C1-C7
Term

Trapezius

Middle

Origin

Definition
Aponeurosis at T1-T4 spinous processes
Term

Trapezius

Inferior

Origin

Definition
Spinous process of T5-T12
Term

Trapezius

Superior

Insertion

Definition
Clavicle (lateral 1/3)
Term

Trapezius

Middle

Insertion

Definition
Acromion
Term

Trapezius

Inferior

Insetion

Definition
Scapular spine
Term

Trapezius

Innervation

Definition
Accessory nerve (CN XI); C3-C4 of cervical plexus
Term

Trapezius

Superior

Action

 

Definition
Elevation of the scapula
Term

Trapezius

Middle

Action

Definition
Retraction of the scapula
Term

Trapezius

Inferior

Action

Definition
Drepression of the scapula and inferior rotation of the glenohumeral joint
Term

Latissimus Dorsi

Origin

Definition

Spinous process of T7-T12 vertebrae;

thoracolumbar fascia,

inferior angle of the scapula,

9th to 12th ribs,

and iliac crest

Term

Latissimus Dorsi

Insertion

Definition
Floor of the intertubercular groove of the humerus
Term

Latissimus Dorsi

Innervation

Definition
Thoracodorsal nerve (C6-C8)
Term

Latissimus Dorsi

Action

Definition
pulls the shoulder into adduction and slightly into extension, balances the pectoral muscles on the anterior thorax, "coughing muscle"
Term

Latissimus Dorsi

Blood supply

Definition
Thoracodorsal artery
Term

Rhomboid Major

Origin

Definition
spinous process of T1-T4 vertebrae
Term

Rhomboid major

Insertion

Definition
medial border of the scapula below the scapular spine
Term

Rhomboid Major

Innervation

Definition
Dorsal Scapular nerve (C4-C5)
Term

Rhomboid Major

Action

Definition

Steadies the scapula; draws scapula medially upward

Retract the scapula and inferiorly rotate is to depress the glenoid cavity

Term

Rhomboid Minor

Origin

Definition
spinous process of C6, C7
Term

Rhomboid Minor

Insertion

Definition
medial border of the scapula above the scapular spine
Term

Rhomboid Minor

Innervation

Definition
Dorsal scapular nerve (C4-C5)
Term

Rhomboid Minor

Action

Definition
steadies the scapula; draws the scapula medially upward, retrate the scapula, inferiorly rotate the scapula to depress the glenoid cavity
Term

Rhomboid Muscles

Blood supply

 

Definition
Dorsal scapular artery
Term

Levator Scapulae

Origin

Definition
Trasverse processes of C1-C4
Term

Levator Scapulae

Insertion

Definition
superior angle of the scapula
Term

Levator Scapulae

Innervation

Definition
Dorsal scapular nerve (C4-C5)
Term

Levator Scapulae

Action

Definition
elevate and rotate the scapula to depress the glenoid cavity
Term

Serratus Posterior Superior

Origin

Definition
Nuchal ligament; C7-T3 spinous processes
Term

Serratus Posterior Superior

Insertion

Definition
2nd to 4th ribs (superior borders)
Term

Seraatus Posterior Superior

Innervation

Definition
Spinal nerves T2-T5 (anterior rami)
Term

Serratus Posterior Superior

Action

Definition
Elevates the ribs
Term

Serratus Posterior Inferior

Origin

Definition
T11-L2 spinous processes
Term

Serratus Posterior Inferior

Insertion

Definition
8th to 12th ribs (inferior borders, near angles)
Term

Serratus Posterior Inferior

Innervation

Definition
Spinal nerves T9-T12 (anterior rami)
Term

Serratus Posterior Inferior

Action

Definition
depresses the ribs
Term

Splenius capitis

Origin

Definition
Nuchal ligament; C3-C7 spinous processes
Term

Splenius Capitis

Insertion

Definition
Occipital bone (lateral superior nuchal line; mastoid process)
Term

Splenius capitis

Innervation

Definition
spinal nerves C1-C6 (posterior rami, lateral branches)
Term

Splenius capitis

Action

Definition

Bilateral: extends cervical spine and head

Unilateral: flexes and rotates head to the same side

Term

Splenius cervicis

Origin

Definition
T3-T6 spinous processes
Term

Splenius cervicus

Insertion

Definition
C1-C2 transverse processes
Term

Splenius cervicus

Innervation

Definition
spinal nerves C1-C6 (posterior rami, lateral branches)
Term

Splenius cervicus

Action

Definition

Bilaterally: extends the cervical spine and head

Unilaterally: flexes and rotates head to the same side

Term

Illiocostalis

Origin

 

Definition

3rd to 7th ribs (cervicis)

7th to 12th ribs (thoracis)

sacrum; iliac crest; thoracolumbar fascia (lumborum)

Term

Iliocostalis

Insertion

Definition

C4-C6 transverse processes (cervicis)

1st to 6th ribs (thoracis)

6th to 12th ribs; thoracolumbar fascia; upper lumbar vertebrae transverse processes (lumborum)

Term

Iliocostalis

Innervation

Definition
Spinal nerve C8-L1 lateral branches of posterior rami
Term

Iliocostalis

Action

Definition

Bilateral: extends the spine

Unilateral: bends the spine laterally to the same side

Term

Longissimus

Origin

Definition

T1 to T3 transverse processes; C4 to C7 tansverse processes and articular processes (capitis)

T1 to T6 transverse processes (cervicis)

Sacrum; iliac crest; lumbar vertebrae spinous processes; lower thoracic vertebrae transverse processes (thoracis)

Term

Longissimus

Insertion

Definition

mastoid process of temporal bone (capitis)

C2 to C5 transverse processes (cervicis)

2nd to 12th ribs; lumbar vertebrae costal processes; thoracic vertebrae transverse processes (thoracis)

Term

Longissimus

Innervation

Definition
Spinal nerves C1-L5 lateral branches of posterior rami
Term

Longissimus

Action

Definition

Bilaterally: extends head and spine

Unilaterally: Bends spine laterally to same side, flexes and rotates head to same side

Term

Spinalis

Origin

Definition

C5 to T2 spinous processes (cervicis)

T10 to L3 spinous processes and lateral surfaces (thoracis)

Term

Spinalis

Insertion

Definition

C2 to C5 spinous processes (cervicis)

T2 to T8 spinous processes and lateral surfaces (thoracis)

Term

Spinalis

Innervation

Definition
posterior rami of spinal nerves
Term

Spinalis

Action

Definition

Bilateral: extends cervial and thoracic spine

Unilateral: bends cervical and thoracic spine to same side

Term

Rotatores

Origin

 

Definition
T1 to T12 between the transverse and spinous processes of adjacent vertebrae
Term

Rotatores

Insertion

Definition
T1 to T12 between transverse and spinous processes, skipping one vertebrae
Term

Rotatores

Innervation

Definition
posterior rami of spinal nerves
Term

Multifidus

Origin and Insertion

Definition
C2 to sacrum between transverse and spinous processes skipping 2 to 4 vertebrae
Term

Multifidus

Innervation

Definition
posterior rami of spinal nerves
Term

Rotatores

Action

Definition

Bilateral: extends thoracic spine

Unilateral: rotates spine to opposite side

Term

Multifidus

Action

Definition

Bilateral: extends spine

Unilateral: flexes spine to same side, rotates to opposite side

Term

Semispinalis Capitis

Origin

Definition
C4 to C7 transverse and articular processes
Term

Semispinalis Capitis

Insertion

Definition
occipital bone between superior and inferior nuchal lines
Term

Semispinalis

Innervation

Definition
posterior rami of spinal nerves
Term

Semispinalis

Action

Definition

Bilateral: extends thoracic and cervical spine and head (stabilizes craniovertebral joints)

Unilateral: bends head, cervial and thoracic spines to same side, rotates to opposite side

Term

Semispinalis Cervicis

Origin

Definition
T1 to T6 transverse processes
Term

Semispinalis Cervicis

Insertion

Definition
C2 to C5 spinous processes
Term

Semispinalis Thoracis

Origin

Definition
T6 to T12 transverse processes
Term

Semispinalis Thoracis

Insertion

Definition
C6 to T4 spinous processes
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