Spinal Cord and Back Flashcards
(21 cards)
Epidural Anesthesia
Location: between L3 and L4 Epidural Space: between the dura and the bone Contains veins and fats Negative pressure No CSF Onset of Action: slow (15-20 min)
Spinal Anesthesia
Location: Between L3 and L4
In the subarachnoid space (puncture the dura mater)
Contains CSF
Onset of Action: Rapid (2-5 min)
Seven deep muscles
Splenius capitits splenius cervicus levator scapulae rhomboid minor rhomboid major erector spinae serratus posterior inferior
Eleven superficial muscles
trapezius spine of scapula deltoid infraspinatus teres minor teres major latissiumus dorsi throacolumbar fascia external oblique internal oblique gluteus medius
Four bony features on the back and their function
Vertebrae
clavicle
scapula
ribs
Function: Protects spinal cord and nerves
supports the trunk as a rigid yet flexible axis for the body; important for posture and locomotion
How many cervical vertebrae
7
How many thoracic vertebrae
12
how many lumbar vertebrae
5
how many sacrum vertebrae
5 fused segments
how many coccygeal vertebrae
4 segments (fused after age 30)
Movements of the vertebral column:
Flexion and extension
mostly cervical and lumbar
Movements of the vertebral column:
lateral flexion and extension (bending)
mostly cervical and lumbar
Movements of the vertebral column:
rotation
mostly cervical and thoracic
Scoliosis
INSERT PICTURE?
Kyphosis
insert picture?
lordosis
insert picture?
Identify this: PICTURE
Vertebral body
Identify this: PICTURE
Epiphyseal Rim
Identify this: PICTURE
Vertebral arch
Identify this: PICTURE
Vertebral foramen
vertebral canal
Spinal cord passess through what
vertebral foramen
