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{{OLD}} Muscles of the back and upper extremities
N/A
24
Anatomy
Graduate
08/16/2009

Additional Anatomy Flashcards

 


 

Cards

Term
Trapezius
Definition

Origin:  External occipital protuberance, C2-T12 spinus process, nuchal ligament

 

Insertion:  Spine of scapula, clavicle, acromion

 

Innervation:  CNXI - spinal accessory nerve

 

Blood supply:  Transverse cervical artery

Term
Latissimus Dorsi
Definition

Origin:  Thoracolumnar fascia, T7-T12 spinus processes, iliac crest

 

Insertion:  Floor of the intertubercular groove of the humerus

 

Innervation:  Thoracodorsal nerve (of subscapular)

 

Blood supply:  Thoracodorsal artery

Term
Levator Scapulae
Definition

Origin:  Posterior tubercule of the transverse processes of C1 to C4

 

Insertion:  Superior angle of the medial border of the scapula

 

Innervation:  Dorsal scapular nerve (C5) and C3/C4

 

Blood supply:  Dorsal scapular artery

Term
Rhomboid minor
Definition

Origin:  C7-T1 spinus process

 

Insertion:  Medial boarder of scapula

 

Innervation:  Dorsal scapular nerve

 

Blood supply:  Dorsal scapular artery

Term
Rhomboid Major
Definition

Origin:  T2-T5 spinus process

 

Insertion:  Medial boarder of scapula

 

Innervation:  Dorsal scapular nerve

 

Blood supply:  Dorsal scapular artery

Term
Serratus Posterior Superior
Definition

Origin:  C7 to T3 Spinus process (two above)

 

Insertion:  Ribs 2 through 5

 

Innervation:  Intercostal nerves 2-5

 

Blood supply:  Intercostal arteries 2-5

Term
Serratus Posterior Inferior
Definition

Origin:  T11-L3 spinus process (three below)

 

Insertion:  Ribs 8-12

 

Innervation:  Intercostal nerves 8-12

 

Blood supply:  Intercostal arteries 8-12

Term
Splenius Capitis
Definition

Origin:  C7-T3 spinus process

 

Insertion:  Mastoid process of temporal bone and occipital bone

 

Innervation:  Dorsal rami of C1-T1

 

Blood supply:  Occipital artery

Term
Splenius Cervicis
Definition

Origin:  T3-T6 Spinus process

 

Insertion:  Posterior tubercles of transverse processes of C1-C3

 

Innervation: 

 

Blood Supply:

Term
Semispinalis Capitis
Definition

Origin:  Transverse processes of C7 to T7

 

Insertion:  Space between inferior and superior nuchal lines

 

Innervation:  Greater occipital nerve

 

Blood supply:

Term
Semispinalis Cervicis
Definition

Origin:  T1-T6 Transverse processes

 

Insertion:  C1-C5 Spinus processes

 

Innervation:  Greater occipital nerve

Term
Rectus Capitis Posterior Major (RCPM)
Definition

Origin:  Spinus process of C2

 

Insertion:  Transverse process of C1

 

Innervation:  Suboccipital nerve (dorsal rami of C1)

 

 

Term
Rectus Capitis Posterior Minor (RCPm)
Definition

Origin:  Tubercle of posterior arch of C1 atlas (spinus process)

 

Insertion:  Medial third of inferior nuchal line

 

Innervation:  Suboccipital nerve (C1 dorsal rami)

Term
Obliquus Capitis Superior (OCS)
Definition

Origin:  Tubercle of lateral maases of C1 (transverse process)

 

Insertion:  Lateral third of inferior nuchal line

 

Innervation:  Suboccipital (C1 dorsal ramus)

Term
Obliquus Capitis Inferior (OCI)
Definition

Origin:  C2 spinus process

 

Insertion:  Tubercle of lateral mass of C1 (transverse process)

 

Innervation:  Suboccipital nerve (C1 dorsal ramus)

Term
Pectoralis Major
Definition

Origin:  Clavicle, sternum, costal cartilidges

 

Insertion:  Lateral tip of intertubercular groove of humerus

 

Innervation:  Lateral and medial pectoral nerves

Term
Pectoralis Minor
Definition

Origin:  Ribs 3-5

 

Insertion:  Coracoid process of the scapula

 

Innervation:  Medial pectoral nerve

Term
Subclavius
Definition

Origin:  Junction of 1st rib and its costal cartilidge

 

Insertion:  Inferior surface of clavicle

 

Innervation:  Nerve to the subclavius (C5)

Term
Deltoid
Definition

Origin:  Spine of scapula, clavicle, acromion

 

Insertion:  Deltoid tuberocity of the humerus

 

Innervation:  Axillary nerve (C5 / C6)

 

Blood supply:  Posterior humeral circumflex artery

Term
Supraspinatus
Definition

Origin:  Supraspinatus fossa of the scapula

 

Insertion:  Superior facet of greater tubercle of humerus

 

Innervation:  Suprascapular nerve

Term
Infraspinatus
Definition

Origin:  Infraspinous fossa of scapula

 

Insertion:  Middle facet of greater tubercle of humerus

 

Innervation:  Suprascapular nerve

Term

Teres Minor

 

 

 

 

(Minor wraps posterior to humerus, major wraps anterior to humerus)

Definition

Origin:  Lateral border of scapula (posterior side)

 

Insertion:  Inferior facet of greater tubercle of humerus

 

Innervation:  axillary nerve

 

 

Term

Teres Major

 

 

 

 

(Major wraps anterior to humerus, minor wraps posterior to humerus)

Definition

Origin:  Inferior angle of scapula (along lateral border)

 

Insertion:  Medial lip of intertubercular groove of humerus

 

Innervation:  Lower subscapular nerve

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