Anatomy concepts for written test 1 Flashcards
Where does the spinal cord terminate?
L1 L2
3 types of scoliosis?
Idiopathic, Neuromuscular, Congenitial
What motion is this?
Protrusion and Retrustion of the Temporomandibular joint
What is this movement?
Opposition and reposition
What is this movement?
Medial Abduction and Lateral abduction
The dural sac ends at what vertebrae?
S2
How many vertebrae are there?
33
How many spinal nerves are there?
31
What is the myotome for internal shoulder rotation?
C6, C7, C8
What is the myotome for external rotation?
C5
What is the myotome for shoulder flexion?
C5
What is the myotome for shoulder extension?
C6 C7 C8
What dermatome is in line with the nipple?
T4
What is the dermatome of the middle finger?
C7
What are the two ligaments in the spinal canal?
Ligamentum Flavum and Posterior Longitudnal ligament
What ligament in the spinal canal can hypertrophy and cause problems?
Ligamentum Flavum
How many muscles attach to the scapula?
20
How many spinal nerves are in each region?
Cervical (8)
▪ Thoracic (12)
▪ Lumbar (5)
▪ Sacral (5)
▪ Coccygeal (1)
What does T1 myotome do?
Finger abduction/adduction
The Carotid sinus is a _____ While the carotid body is a ______
Baro-Receptor …
Chemoreceptor
What is the main nerve of the Perineal muscles? (Pelvic floor)
Pudendal Nerve “S3 S4 keep peepeepoopoo off the floor”
What do the deep urogenic muscles do?
Constrict urethra
What are the 3 muscles of the Levator Ani group? (Deepest layer)
Puborectalis, Pubococcygeus, and Iliococcygeus
The Detrusor muscle ______ to the pelvic floor muscles.
Works in opposition
The pelvic floor is predominantly what muscle fibers? What ratio?
Slow twitch 70/30
The obturator internus (pelvic floor) has it’s own nerve called…
Obturator Internus nerve
The puborectalis provides what function?
Opens or closes rectal angle depending on if you’re standing or sitting
The pelvic floor works as a sump-pump, what does this mean?
Pump for lymphatic system
The pelvic floor and the diaphram….
Move at the same time to control pressure of abdominal cavity “move like a PISTON”
True or false: If you have overactive pelvic floor muscles, you need to do kegels.
False, not good for overactive muscles.
What is a prolapse?
When one organ protrudes into another?
The floor of the thoracic cavity is the:
Diaphram
What are these 2 structures?
Superior and inferior thoracic aperture
The first rib is a ____ joint, the rest are _____
First rib: Fibrocartiliginous
Rest: Synovial
Thoracic vertebrae have ____ for the ribs
Demifacets (superior and inferior)
If we are looking at the 7th thoracic vertebrae, what rib # attaches to its SUPERIOR demifacet
Rib 7
How many true ribs? False ribs? Floating?
True ribs: 1-7
False ribs: 8-10
Floating: 11, 12
