SPINA BIFIDA
SPINA BIFIDA
By: Adam Bibbs
By: Adam Bibbs
Outline for Presentation
Outline for Presentation
 What is Spina Bifida?
What is Spina Bifida?
 Signs and Symptoms
Signs and Symptoms
 Types
Types
 When to seek medical attention?
When to seek medical attention?
 Screening and Diagnosis
Screening and Diagnosis
 Treatment
Treatment
 Educational Assessment
Educational Assessment
 Considerations
Considerations
 Quiz
Quiz
What is Spina Bifida?
What is Spina Bifida?
 A condition that refers
A condition that refers
to a developmental
to a developmental
defect of the spinal
defect of the spinal
column in which the
column in which the
arches of one or more
arches of one or more
of the spinal vertebrae
of the spinal vertebrae
fail to fuse.
fail to fuse.
 Failure of closure in the
Failure of closure in the
midline or lower end of
midline or lower end of
the neural tube. (Cleft
the neural tube. (Cleft
Spine)
Spine)
Signs and Symptoms
Signs and Symptoms
 Swelling
Swelling
 Dimple in skin
Dimple in skin
 Truft of hair
Truft of hair
 Muscle weakness
Muscle weakness
 Paralysis
Paralysis
 Loss of a sensation
Loss of a sensation
 Fluid build up (hydrocephalus)
Fluid build up (hydrocephalus)
 Brain damage
Brain damage
 Seizures
Seizures
 Blindness
Blindness
 Possibly none at all
Possibly none at all
Secondary Complications
Secondary Complications
 Low fitness
Low fitness
 Obesity
Obesity
 Poor functional strength
Poor functional strength
 Pressure sores
Pressure sores
 Respiratory difficulties
Respiratory difficulties
 Learning and Perceptual difficulties
Learning and Perceptual difficulties
 Motor functioning seizures
Motor functioning seizures
Types of Spina Bifida
Types of Spina Bifida
3 in 1,000 births
3 in 1,000 births
1. Spina Bifida Occulta – an abnormality is
1. Spina Bifida Occulta – an abnormality is
confined to the vertebrae only and is due
confined to the vertebrae only and is due
to an unclosed posterior vertebral arch.
to an unclosed posterior vertebral arch.
2. Spina Bifida Cystica – A more severe type
2. Spina Bifida Cystica – A more severe type
of spina bifida that has two
of spina bifida that has two
classifications.
classifications.
Occulta
Occulta
 Approximately 40% of all Americans
Approximately 40% of all Americans
may have spina bifida occulta, but
may have spina bifida occulta, but
because they experience little or no
because they experience little or no
symptoms, very few of them ever know
symptoms, very few of them ever know
that they have it.
that they have it.
Cystica
Cystica
 Meningocele – Where the meninges
Meningocele – Where the meninges
protrude through the defect. (4%)
protrude through the defect. (4%)
 Myelomeningocele – Elements of the
Myelomeningocele – Elements of the
cord also protrude through the defect,
cord also protrude through the defect,
resulting in severe neural deficits. (96%)
resulting in severe neural deficits. (96%)
 1 out of 1,000 births
1 out of 1,000 births
What is Hydrocephalus?
What is Hydrocephalus?
 A common disease that occurs when
A common disease that occurs when
there is a build up of CNS fluid inside the
there is a build up of CNS fluid inside the
brain that occurs when normal circulation
brain that occurs when normal circulation
is obstructed because the open spine
is obstructed because the open spine
permits the lower portion of the brain to
permits the lower portion of the brain to
slip through the opening of the spinal
slip through the opening of the spinal
cord.
cord.
 Skull is stretched
Skull is stretched
 Damages brain cells
Damages brain cells
Causes of Spina Bifida
Causes of Spina Bifida
 Genetics and environmental factors.
Genetics and environmental factors.
 Low folic acid consumption by the
Low folic acid consumption by the
mother during pregnancy.
mother during pregnancy.
When to seek medical attention?
When to seek medical attention?
 Before Pregnancy
Before Pregnancy
 During Pregnancy
During Pregnancy
 Right after birth
Right after birth
 When the doctor feels it is necessary
When the doctor feels it is necessary
Screening and Diagnosis
Screening and Diagnosis
 Prenatal Tests
Prenatal Tests
AFP
AFP
Ultrasound
Ultrasound
Testing of Amniotic fluid
Testing of Amniotic fluid
Evaluation
Evaluation
Analysis of individual medial history
Analysis of individual medial history
Physical examination
Physical examination
Evaluation of critical body systems
Evaluation of critical body systems
Imaging Studies
Imaging Studies
X-rays
X-rays
Ultrasound
Ultrasound
CT scan
CT scan
MRI
MRI
Gait Analysis
Gait Analysis
Prevention
Prevention
 Recent studies have shown that one factor that increases the
Recent studies have shown that one factor that increases the
risk of having an NTD baby is low folic acid status before
risk of having an NTD baby is low folic acid status before
conception and during the first few weeks of pregnancy. If all
conception and during the first few weeks of pregnancy. If all
women of childbearing age were to consume 0.4 mg of folic acid
women of childbearing age were to consume 0.4 mg of folic acid
prior to becoming pregnant and during the first trimester of
prior to becoming pregnant and during the first trimester of
pregnancy, the incidence of folic acid preventable spina bifida
pregnancy, the incidence of folic acid preventable spina bifida
and anencephaly could be reduced by up to 75%.
and anencephaly could be reduced by up to 75%.
 Folic acid, a common water soluble B vitamin, is essential for the
Folic acid, a common water soluble B vitamin, is essential for the
functioning of the human body. During periods of rapid
functioning of the human body. During periods of rapid
growth, such as pregnancy and fetal development, the body’s
growth, such as pregnancy and fetal development, the body’s
requirement for this vitamin increases. Folic acid can be found
requirement for this vitamin increases. Folic acid can be found
in multivitamins, fortified breakfast cereals, dark green leafy
in multivitamins, fortified breakfast cereals, dark green leafy
vegetables such as broccoli and spinach, egg yolks, and some
vegetables such as broccoli and spinach, egg yolks, and some
fruits and fruit juices. However, the average American diet does
fruits and fruit juices. However, the average American diet does
not supply the recommended level of folic acid.
not supply the recommended level of folic acid.
 With proper care, most children with SB live well into adulthood.
With proper care, most children with SB live well into adulthood.
Treatment
Treatment
 No cure
No cure
 Regular check ups with
Regular check ups with
physician
physician
 Surgery (24 hours after
Surgery (24 hours after
birth)
birth)
 Medication
Medication
 Physiotherapy
Physiotherapy
Assistive Devices
Assistive Devices
 Braces
Braces
 Crutches
Crutches
 Wheel chairs
Wheel chairs
Surgery
Surgery
 Usually performed with in 24 hours
Usually performed with in 24 hours
after birth.
after birth.
 They remove the infected area and
They remove the infected area and
replace it with muscle tissue and skin.
replace it with muscle tissue and skin.
 Helps protect against hydrocephalus.
Helps protect against hydrocephalus.
Educational Assessments
Educational Assessments
 IEP (Individualized educational plan)
IEP (Individualized educational plan)
 Children may have difficulty paying attention.
Children may have difficulty paying attention.
 Early intervention with children who experience learning problems can
Early intervention with children who experience learning problems can
help considerably to prepare them for school.
help considerably to prepare them for school.
 Successful integration of a child with spina bifida into a school
Successful integration of a child with spina bifida into a school
sometimes requires changes in school equipment or the curriculum.
sometimes requires changes in school equipment or the curriculum.
 Architectural factors should be considered.
Architectural factors should be considered.
 The child should be put in the least restrictive environment.
The child should be put in the least restrictive environment.
 To promote personal growth, families and teachers should encourage
To promote personal growth, families and teachers should encourage
children, within the limits of safety and health, to be independent and
children, within the limits of safety and health, to be independent and
to participate in activities with their non-disabled classmates.
to participate in activities with their non-disabled classmates.
Physical/Health Educator
Physical/Health Educator
Considerations
Considerations
 Try to include students in all activities.
Try to include students in all activities.
 Be aware of the students abilities and
Be aware of the students abilities and
limitations.
limitations.
 Plan for their needs.
Plan for their needs.
 Make sure activities are age
Make sure activities are age
appropriate.
appropriate.
 Allow opportunities for self directed
Allow opportunities for self directed
learning and experimentation.
learning and experimentation.
Special Considerations
Special Considerations
 Be aware that there may be some times where the
Be aware that there may be some times where the
child can cause distractions and you will need an
child can cause distractions and you will need an
aid to help control the class.
aid to help control the class.
 Be sensitive to bowel and bladder problems, these
Be sensitive to bowel and bladder problems, these
can cause embarrassing situations.
can cause embarrassing situations.
 Make sure students are involved because it is
Make sure students are involved because it is
often that children with this condition become
often that children with this condition become
over weight.
over weight.
 Focus on upper body activities because of the little
Focus on upper body activities because of the little
or no mobility in the legs.
or no mobility in the legs.
 Development depends largely on environmental
Development depends largely on environmental
factors and setbacks that may disrupt functioning
factors and setbacks that may disrupt functioning
such as lengthy hospital stays, dependence, and
such as lengthy hospital stays, dependence, and
poor self esteem.
poor self esteem.
Exercise
Exercise
 A comprehensive program of physical
A comprehensive program of physical
activity is needed to maintain a healthy
activity is needed to maintain a healthy
life
life
 Intervention should occur as early as
Intervention should occur as early as
possible.
possible.
 Home based programs are needed to
Home based programs are needed to
teach parents how to exercise their baby’s
teach parents how to exercise their baby’s
feet and legs so they can walk with
feet and legs so they can walk with
crutches, braces, and exercise is also
crutches, braces, and exercise is also
important for use of a wheel chair.
important for use of a wheel chair.
Activities and Exercise
Activities and Exercise
 Body Awareness
Body Awareness
 Group Play
Group Play
 Parachute activities
Parachute activities
 Upper body activities
Upper body activities
 Strength training
Strength training
 Aquatics
Aquatics
 Flexibility
Flexibility
 Wheel chair activities
Wheel chair activities
Goals of Intervention
Goals of Intervention
 Teaching gross motor and skills to facilitate
Teaching gross motor and skills to facilitate
coordination.
coordination.
 Developing and maintaining fitness and flexibility to
Developing and maintaining fitness and flexibility to
emphasize self sufficiency.
emphasize self sufficiency.
 Encouraging movement and fitness to overcome
Encouraging movement and fitness to overcome
susceptibility to obesity.
susceptibility to obesity.
 Developing physical skills that generalize to activities
Developing physical skills that generalize to activities
of daily living and vocational skills.
of daily living and vocational skills.
 Promoting social development in recreational and
Promoting social development in recreational and
group play activities, such as aquatics.
group play activities, such as aquatics.
 Providing appropriate social outlets for enjoyment
Providing appropriate social outlets for enjoyment
and self satisfaction on an individual basis as well as
and self satisfaction on an individual basis as well as
with family or peers within the community.
with family or peers within the community.
Research being performed
Research being performed
 The NINDS supports a broad range of research
The NINDS supports a broad range of research
on neural tube defects such as SB aimed at
on neural tube defects such as SB aimed at
finding way to treat, prevent, and, ultimately,
finding way to treat, prevent, and, ultimately,
cure these disorders. Recent studies have
cure these disorders. Recent studies have
shown that the addition of folic acid to the diet
shown that the addition of folic acid to the diet
of women of child bearing age may
of women of child bearing age may
significantly reduce the incidence of neural
significantly reduce the incidence of neural
tube defects. Therefore it is recommended
tube defects. Therefore it is recommended
that all women of child bearing age consume
that all women of child bearing age consume
0.4 mg of folic acid daily.
0.4 mg of folic acid daily.
References
References
 Horvat, M., Eichstaedt, C., Kalakian, L., & Croce, R.
Horvat, M., Eichstaedt, C., Kalakian, L., & Croce, R.
(2003). Develpmental/Adapted Physical Education.
(2003). Develpmental/Adapted Physical Education.
Benjamin Cummings: San Francisco, CA.
Benjamin Cummings: San Francisco, CA.
 Google images: www.goole.com
Google images: www.goole.com
 www.waisman.wisc.edu/~rowley/sb-kids/orgs.html
www.waisman.wisc.edu/~rowley/sb-kids/orgs.html
 www.nichcy.org/pubs/factshe/fs12txt.htm
www.nichcy.org/pubs/factshe/fs12txt.htm
 www.emedicinehealth.com/articles/34669-4.asp
www.emedicinehealth.com/articles/34669-4.asp
 www.fortuneciity.com/miillenium/plumpton/268/
www.fortuneciity.com/miillenium/plumpton/268/
sb.htm
sb.htm
 www.niinds.nih.gov/disorders/spina_bifiida/
www.niinds.nih.gov/disorders/spina_bifiida/
spina_bifida.htm
spina_bifida.htm

5- spinabifida.ppt......,.. mmmmmm ....

  • 1.
    SPINA BIFIDA SPINA BIFIDA By:Adam Bibbs By: Adam Bibbs
  • 2.
    Outline for Presentation Outlinefor Presentation  What is Spina Bifida? What is Spina Bifida?  Signs and Symptoms Signs and Symptoms  Types Types  When to seek medical attention? When to seek medical attention?  Screening and Diagnosis Screening and Diagnosis  Treatment Treatment  Educational Assessment Educational Assessment  Considerations Considerations  Quiz Quiz
  • 3.
    What is SpinaBifida? What is Spina Bifida?  A condition that refers A condition that refers to a developmental to a developmental defect of the spinal defect of the spinal column in which the column in which the arches of one or more arches of one or more of the spinal vertebrae of the spinal vertebrae fail to fuse. fail to fuse.  Failure of closure in the Failure of closure in the midline or lower end of midline or lower end of the neural tube. (Cleft the neural tube. (Cleft Spine) Spine)
  • 4.
    Signs and Symptoms Signsand Symptoms  Swelling Swelling  Dimple in skin Dimple in skin  Truft of hair Truft of hair  Muscle weakness Muscle weakness  Paralysis Paralysis  Loss of a sensation Loss of a sensation  Fluid build up (hydrocephalus) Fluid build up (hydrocephalus)  Brain damage Brain damage  Seizures Seizures  Blindness Blindness  Possibly none at all Possibly none at all
  • 5.
    Secondary Complications Secondary Complications Low fitness Low fitness  Obesity Obesity  Poor functional strength Poor functional strength  Pressure sores Pressure sores  Respiratory difficulties Respiratory difficulties  Learning and Perceptual difficulties Learning and Perceptual difficulties  Motor functioning seizures Motor functioning seizures
  • 6.
    Types of SpinaBifida Types of Spina Bifida 3 in 1,000 births 3 in 1,000 births 1. Spina Bifida Occulta – an abnormality is 1. Spina Bifida Occulta – an abnormality is confined to the vertebrae only and is due confined to the vertebrae only and is due to an unclosed posterior vertebral arch. to an unclosed posterior vertebral arch. 2. Spina Bifida Cystica – A more severe type 2. Spina Bifida Cystica – A more severe type of spina bifida that has two of spina bifida that has two classifications. classifications.
  • 7.
    Occulta Occulta  Approximately 40%of all Americans Approximately 40% of all Americans may have spina bifida occulta, but may have spina bifida occulta, but because they experience little or no because they experience little or no symptoms, very few of them ever know symptoms, very few of them ever know that they have it. that they have it.
  • 8.
    Cystica Cystica  Meningocele –Where the meninges Meningocele – Where the meninges protrude through the defect. (4%) protrude through the defect. (4%)  Myelomeningocele – Elements of the Myelomeningocele – Elements of the cord also protrude through the defect, cord also protrude through the defect, resulting in severe neural deficits. (96%) resulting in severe neural deficits. (96%)  1 out of 1,000 births 1 out of 1,000 births
  • 9.
    What is Hydrocephalus? Whatis Hydrocephalus?  A common disease that occurs when A common disease that occurs when there is a build up of CNS fluid inside the there is a build up of CNS fluid inside the brain that occurs when normal circulation brain that occurs when normal circulation is obstructed because the open spine is obstructed because the open spine permits the lower portion of the brain to permits the lower portion of the brain to slip through the opening of the spinal slip through the opening of the spinal cord. cord.  Skull is stretched Skull is stretched  Damages brain cells Damages brain cells
  • 10.
    Causes of SpinaBifida Causes of Spina Bifida  Genetics and environmental factors. Genetics and environmental factors.  Low folic acid consumption by the Low folic acid consumption by the mother during pregnancy. mother during pregnancy.
  • 11.
    When to seekmedical attention? When to seek medical attention?  Before Pregnancy Before Pregnancy  During Pregnancy During Pregnancy  Right after birth Right after birth  When the doctor feels it is necessary When the doctor feels it is necessary
  • 12.
    Screening and Diagnosis Screeningand Diagnosis  Prenatal Tests Prenatal Tests AFP AFP Ultrasound Ultrasound Testing of Amniotic fluid Testing of Amniotic fluid Evaluation Evaluation Analysis of individual medial history Analysis of individual medial history Physical examination Physical examination Evaluation of critical body systems Evaluation of critical body systems Imaging Studies Imaging Studies X-rays X-rays Ultrasound Ultrasound CT scan CT scan MRI MRI Gait Analysis Gait Analysis
  • 13.
    Prevention Prevention  Recent studieshave shown that one factor that increases the Recent studies have shown that one factor that increases the risk of having an NTD baby is low folic acid status before risk of having an NTD baby is low folic acid status before conception and during the first few weeks of pregnancy. If all conception and during the first few weeks of pregnancy. If all women of childbearing age were to consume 0.4 mg of folic acid women of childbearing age were to consume 0.4 mg of folic acid prior to becoming pregnant and during the first trimester of prior to becoming pregnant and during the first trimester of pregnancy, the incidence of folic acid preventable spina bifida pregnancy, the incidence of folic acid preventable spina bifida and anencephaly could be reduced by up to 75%. and anencephaly could be reduced by up to 75%.  Folic acid, a common water soluble B vitamin, is essential for the Folic acid, a common water soluble B vitamin, is essential for the functioning of the human body. During periods of rapid functioning of the human body. During periods of rapid growth, such as pregnancy and fetal development, the body’s growth, such as pregnancy and fetal development, the body’s requirement for this vitamin increases. Folic acid can be found requirement for this vitamin increases. Folic acid can be found in multivitamins, fortified breakfast cereals, dark green leafy in multivitamins, fortified breakfast cereals, dark green leafy vegetables such as broccoli and spinach, egg yolks, and some vegetables such as broccoli and spinach, egg yolks, and some fruits and fruit juices. However, the average American diet does fruits and fruit juices. However, the average American diet does not supply the recommended level of folic acid. not supply the recommended level of folic acid.  With proper care, most children with SB live well into adulthood. With proper care, most children with SB live well into adulthood.
  • 14.
    Treatment Treatment  No cure Nocure  Regular check ups with Regular check ups with physician physician  Surgery (24 hours after Surgery (24 hours after birth) birth)  Medication Medication  Physiotherapy Physiotherapy
  • 15.
    Assistive Devices Assistive Devices Braces Braces  Crutches Crutches  Wheel chairs Wheel chairs
  • 16.
    Surgery Surgery  Usually performedwith in 24 hours Usually performed with in 24 hours after birth. after birth.  They remove the infected area and They remove the infected area and replace it with muscle tissue and skin. replace it with muscle tissue and skin.  Helps protect against hydrocephalus. Helps protect against hydrocephalus.
  • 17.
    Educational Assessments Educational Assessments IEP (Individualized educational plan) IEP (Individualized educational plan)  Children may have difficulty paying attention. Children may have difficulty paying attention.  Early intervention with children who experience learning problems can Early intervention with children who experience learning problems can help considerably to prepare them for school. help considerably to prepare them for school.  Successful integration of a child with spina bifida into a school Successful integration of a child with spina bifida into a school sometimes requires changes in school equipment or the curriculum. sometimes requires changes in school equipment or the curriculum.  Architectural factors should be considered. Architectural factors should be considered.  The child should be put in the least restrictive environment. The child should be put in the least restrictive environment.  To promote personal growth, families and teachers should encourage To promote personal growth, families and teachers should encourage children, within the limits of safety and health, to be independent and children, within the limits of safety and health, to be independent and to participate in activities with their non-disabled classmates. to participate in activities with their non-disabled classmates.
  • 18.
    Physical/Health Educator Physical/Health Educator Considerations Considerations Try to include students in all activities. Try to include students in all activities.  Be aware of the students abilities and Be aware of the students abilities and limitations. limitations.  Plan for their needs. Plan for their needs.  Make sure activities are age Make sure activities are age appropriate. appropriate.  Allow opportunities for self directed Allow opportunities for self directed learning and experimentation. learning and experimentation.
  • 19.
    Special Considerations Special Considerations Be aware that there may be some times where the Be aware that there may be some times where the child can cause distractions and you will need an child can cause distractions and you will need an aid to help control the class. aid to help control the class.  Be sensitive to bowel and bladder problems, these Be sensitive to bowel and bladder problems, these can cause embarrassing situations. can cause embarrassing situations.  Make sure students are involved because it is Make sure students are involved because it is often that children with this condition become often that children with this condition become over weight. over weight.  Focus on upper body activities because of the little Focus on upper body activities because of the little or no mobility in the legs. or no mobility in the legs.  Development depends largely on environmental Development depends largely on environmental factors and setbacks that may disrupt functioning factors and setbacks that may disrupt functioning such as lengthy hospital stays, dependence, and such as lengthy hospital stays, dependence, and poor self esteem. poor self esteem.
  • 20.
    Exercise Exercise  A comprehensiveprogram of physical A comprehensive program of physical activity is needed to maintain a healthy activity is needed to maintain a healthy life life  Intervention should occur as early as Intervention should occur as early as possible. possible.  Home based programs are needed to Home based programs are needed to teach parents how to exercise their baby’s teach parents how to exercise their baby’s feet and legs so they can walk with feet and legs so they can walk with crutches, braces, and exercise is also crutches, braces, and exercise is also important for use of a wheel chair. important for use of a wheel chair.
  • 21.
    Activities and Exercise Activitiesand Exercise  Body Awareness Body Awareness  Group Play Group Play  Parachute activities Parachute activities  Upper body activities Upper body activities  Strength training Strength training  Aquatics Aquatics  Flexibility Flexibility  Wheel chair activities Wheel chair activities
  • 22.
    Goals of Intervention Goalsof Intervention  Teaching gross motor and skills to facilitate Teaching gross motor and skills to facilitate coordination. coordination.  Developing and maintaining fitness and flexibility to Developing and maintaining fitness and flexibility to emphasize self sufficiency. emphasize self sufficiency.  Encouraging movement and fitness to overcome Encouraging movement and fitness to overcome susceptibility to obesity. susceptibility to obesity.  Developing physical skills that generalize to activities Developing physical skills that generalize to activities of daily living and vocational skills. of daily living and vocational skills.  Promoting social development in recreational and Promoting social development in recreational and group play activities, such as aquatics. group play activities, such as aquatics.  Providing appropriate social outlets for enjoyment Providing appropriate social outlets for enjoyment and self satisfaction on an individual basis as well as and self satisfaction on an individual basis as well as with family or peers within the community. with family or peers within the community.
  • 23.
    Research being performed Researchbeing performed  The NINDS supports a broad range of research The NINDS supports a broad range of research on neural tube defects such as SB aimed at on neural tube defects such as SB aimed at finding way to treat, prevent, and, ultimately, finding way to treat, prevent, and, ultimately, cure these disorders. Recent studies have cure these disorders. Recent studies have shown that the addition of folic acid to the diet shown that the addition of folic acid to the diet of women of child bearing age may of women of child bearing age may significantly reduce the incidence of neural significantly reduce the incidence of neural tube defects. Therefore it is recommended tube defects. Therefore it is recommended that all women of child bearing age consume that all women of child bearing age consume 0.4 mg of folic acid daily. 0.4 mg of folic acid daily.
  • 24.
    References References  Horvat, M.,Eichstaedt, C., Kalakian, L., & Croce, R. Horvat, M., Eichstaedt, C., Kalakian, L., & Croce, R. (2003). Develpmental/Adapted Physical Education. (2003). Develpmental/Adapted Physical Education. Benjamin Cummings: San Francisco, CA. Benjamin Cummings: San Francisco, CA.  Google images: www.goole.com Google images: www.goole.com  www.waisman.wisc.edu/~rowley/sb-kids/orgs.html www.waisman.wisc.edu/~rowley/sb-kids/orgs.html  www.nichcy.org/pubs/factshe/fs12txt.htm www.nichcy.org/pubs/factshe/fs12txt.htm  www.emedicinehealth.com/articles/34669-4.asp www.emedicinehealth.com/articles/34669-4.asp  www.fortuneciity.com/miillenium/plumpton/268/ www.fortuneciity.com/miillenium/plumpton/268/ sb.htm sb.htm  www.niinds.nih.gov/disorders/spina_bifiida/ www.niinds.nih.gov/disorders/spina_bifiida/ spina_bifida.htm spina_bifida.htm