Muscles Flashcards
Rectus Abdominis attachments
Proximal:
pubic crest
Pubic tubercle
Pubic symphysis
Distal:
Anterior aspect of Costal cartilage of rib 5-7
Xiphoid process
Internal oblique attachments
Proximal:
Inferior aspect of rib & costal cartilage 10-12
Linea alba
Pubic crest
Pectineal line
Distal:
Thoracocolumbar fascia
Iliac crest
Inguinal ligament
External oblique attachments
Proximal:
external surface of ribs 5-12
Distal:
lateral lip of iliac crest
Linea alba
Transverse abdominus attachments
Proximal:
Thoracolumbar fascia
Costal cartilage of rib 7-12
Medial lip of iliac crest
Inguinal ligament
Distal:
Linea alba pubic crest
Pectineal line
Muscles of erector spinae
Spinal is
Iliocostalis
Longissimus
Erector spinae origin & insertions
Origin:
Lower six ribs & rib angles
Insertions:
SP of T11-L5
Sacral crest
Posterior aspect of iliac crest
Thoracolumbar fascia
Supraspinous/Sacro-iliac crest Ligament
Multifidus origin and insertion:
Origin:
Sacrum
PSIS
Mammillary process of Lx vertebrae
TP of THx vertebrae
Articular processes of C3-4
Insertion:
SP of C2-L5
Rotatores
Origin: TP of ALL vertebrae
Insertion:
Laminae and spinous processes of thoracic vertebrae one or two vertebral segments above.
Interspinales attachment
Origin: SP of lumbar vertebrae
Insertion: SP of adjacent superior vertebrae
Intertransversus attachments
Origin:
TP of ALL lumbar vertebrae
Insertion:
TP of adjacent superior vertebrae
5 segmental muscles
Semispinalis
Rotatores
Multifidus
Interspinales
Intertransversarii
Semispinalis
Transverse process to Spinous process
Rotatores
Articular processes to spinous processes
Mulitifidus
Articular processes to spinous process
Interspinales
Spinous processes of adjacent vertebrae
Intertransversarii
Transverse processes of adjacent vertebrae
