Whiplash has been difficult to study because its pathoanatomy has remained poorly known, however, the facet joints have been recently isolated as a site of pain in many people that are whiplash-injured.
In a typical rear-end collision, the occupant’s pelvis, chest, and head are hastened forward in rapid succession. The massive inertia of the head leads to a horizontal translation (retraction) of the initially stationary head relative to the forward-accelerating torso, and this movement induces compression, shear, and ultimately tension in the cervical spine.
Recent studies have localized the chronic pain of several whiplash patients to the facet joints. Subsequent experiments involving both human subjects and cadaveric cells have demonstrated that harm to the capsular ligaments may play a part in the pathoanatomy of whiplash injury.
Kinematics of Whiplash Injuries
Biomechanical studies of whiplash injury have used human subjects, animals, cadavers, and mathematical models to investigate possible mechanisms of whiplash injury. Researcher ignorance of the tissues responsible for the pain has often limited the insights. Recent studies, however, has identified a candidate tissue for whiplash injury, and it has provided a focus for research into the mechanics of whiplash injury.
The comprehension of injury mechanics begins with an appreciation of how individuals respond to the kinds of perturbations that create whiplash injury. Rear-end collisions, where an occupant’s vehicle is struck from behind and hastened forward, have been associated with an increased risk of whiplash injury and a higher frequency of symptoms compared to other crash directions. As a result, perturbations that simulate a collision have been used by most biomechanical experiments conducted to investigate whiplash injury. Many research groups have studied subjects exposed to whiplash perturbations, and despite differences in subjects, vehicles, seats, and the crashes used with these groups, a stereotyped reaction has been observed in normally seated subjects.
The pelvis is hastened forward, due to a combination of occupant posture and seat compliance, acceleration of the torso lags behind acceleration of the pelvis. This difference in motion between the pelvis and upper torso produces a small rotation of the torso and leads to an initial flexion of the neck, despite the fact that the head is still effectively stationary at this stage in the induced kinematic response. As the torso accelerates forward relative to the head, a horizontal translation develops between the base of the head and the spine, causing the lower vertebrae of the spine to extend. The horizontal shear stiffness of the upright spine is inadequate to overcome the rotational and transitional inertia of the head, and because of this, the upper cervical segments bend. The changing configuration of the vertebrae results in the cervical spine being better able to encourage horizontal forces, and these forces both accelerate the bottom of the skull forward and establish a rearward rotation (expansion) of the head.
In the presence of a properly positioned head restraint, both the head extension angle and the horizontal translation between the torso and head (retraction) are arrested and reversed by the combination of an external force applied to the head from the head restraint and inner forces developed by both the ligamentous cervical spine and the reflex contraction of the cervical muscles.
Larger extension and retraction motions occur, and head motion could be arrested and reversed by inner ligamentous and muscle forces if no head restraint is present or if there exists a gap between the back of the head and the head restraint. The positions of the head and head restraint at effect can therefore have a substantial influence on the magnitude of the head and neck kinematics, and ultimately on the size of the loads applied to the tissues of the cervical spine.
After the interaction with the seat back and head restraint, the head and chest rebound forward. Forward torso motion could be limited by a seatbelt, whereas forward motion of the mind seems to be controlled by sustained activation of the posterior neck muscles.
The scope of our information is limited to chiropractic and spinal injuries and conditions. To discuss options on the subject matter, please feel free to ask Dr. Jimenez or contact us at 915-850-0900 .�
By Dr. Alex Jimenez
Additional Topics: Automobile Accident Injuries
Whiplash, among other automobile accident injuries, are frequently reported by victims of an auto collision, regardless of the severity and grade of the accident. The sheer force of an impact can cause damage or injury to the cervical spine, as well as to the rest of the spine. Whiplash is generally the result of an abrupt, back-and-forth jolt of the head and neck in any direction. Fortunately, a variety of treatments are available to treat automobile accident injuries.
Healthy, well-nourished women who breastfeed while pregnant don’t seem to increase their risk of delivering prematurely, miscarrying, or having a low-birth-weight baby, the authors of a new research review conclude.
But Gemma Lopez-Fernandez of Corporacio Sanitaria Parc Tauli in Barcelona, Spain, and colleagues write in the journal Women and Birth that more research is needed on the implications of nursing during pregnancy for mothers and children’s health.
While many women will decide to wean after getting pregnant, it is not uncommon for women to continue to nurse, Melissa Kotlen, an international board-certified lactation consultant based in New York, told Reuters Health in a telephone interview.
“If you’re healthy, you’re low risk, you’re not on bedrest, there’s really no problem with continuing to nurse while you’re pregnant,” Kotlen said. “Most of these moms end up tandem nursing once the baby’s born anyway.”
But even pediatricians and obstetricians can fall prey to unproven but common beliefs about nursing during pregnancy, Kotlen added, for example that nipple stimulation will trigger the release of oxytocin and bring on labor prematurely, or that nursing during pregnancy will deplete a mother’s nutritional stores.
To investigate these and other potential risks of breastfeeding in pregnancy, Lopez-Fernandez and her team reviewed 19 studies published between 1990 and 2015 and including a total of about 6,300 women.
They found some evidence that women who nursed during pregnancy gained less weight, had fewer fat reserves and lower levels of hemoglobin – the molecule in red blood cells that carries oxygen. But the reviewers note that most research on the issue was done in the developing world.
The investigators found no support for the idea that breastfeeding women were more likely to deliver prematurely or to miscarry. Evidence on the effects of nursing during pregnancy on fetal and infant growth, as well as on the growth of the nursing child, was mixed.
Mothers who become pregnant while nursing should not be overly concerned about their nutritional status, as long as they are eating and drinking well, Kotlen said. “Your body knows exactly what it needs to take in. If you’re pregnant and you’re nursing, your body is going to know very quickly you need to eat a little bit more and you need to drink a little more.”
Lopez-Fernandez was not available for an interview by press time.
Pregnant women who drink non-diet sodas during pregnancy are more likely to have kids who carry extra body fat by age 7, researchers say.
In the study of more than 1,000 mother-child pairs, each additional serving of sugary soda per day consumed in pregnancy was associated with higher increments of waist size and body mass in kids years later.
“Sugary beverages have been linked to obesity in children and adults,” said study author Sheryl Rifas-Shiman of Harvard Medical School in Boston.
Although past research has tied sodas and some fruit drinks to excess weight gain, obesity, metabolic syndrome and type 2 diabetes, few have looked at beverage intake during pregnancy, she and her colleagues write in Pediatrics.
“Childhood obesity is widespread and hard to treat,” Rifas-Shiman told Reuters Health by email. “So it’s important to identify modifiable factors that occur prenatally and during infancy so prevention can start early.”
The researchers recruited 1,078 women from among patients at eight obstetric offices affiliated with Atrius Harvard Vanguard Medical Associates in eastern Massachusetts.
The study team had in-person meetings with each woman at the end of her first and second trimesters, as well as during the first few months after her baby was born. In addition, kids were assessed in early childhood, around age 3, and in mid-childhood, around age 8. Mothers also completed mailed questionnaires every year for the child’s first six birthdays.
At all visits, researchers collected information about both parents and details of the household. During pregnancy, women answered questionnaires about what they typically ate and drank, including how much regular and sugar-free soda, fruit juice, fruit drinks and water they consumed each day.
At the mid-childhood visit, when kids were between ages 6 and 11 years, the research team measured each child’s height, weight, waist circumference and skinfold thickness. With these measurements, they calculated body fat percentage and body mass index (BMI), a measure of weight relative to height.
When researchers looked at data gathered during pregnancy, they found that more than half of mothers had consumed more than half a serving a day of non-diet soda during pregnancy, and nearly 10 percent had consumed two or more servings a day.
Mothers who drank more sugary drinks during pregnancy tended to be younger, had higher prepregnancy BMI, lower education, lower income, shorter breastfeeding times and were more likely to have smoked during pregnancy.
About one quarter of the children were overweight or obese by mid-childhood, and BMI, waist circumference and skinfold thickness were highest among kids whose mothers drank at least two servings of sugary drinks per day.
Only regular sodas were associated with this difference. Juice, diet soda and water consumed during pregnancy weren’t linked to a higher BMI score in kids. The research team also didn’t see differences based on the mother’s weight, race or ethnicity, the child’s gender or the amount of soda children themselves drank.
“I was surprised that maternal intake seemed to be more important than child intake,” Rifas-Shiman noted.
In the future, she and colleagues plan to study the long-term effects of efforts to reduce sugary beverage intake during pregnancy. They’re now using new methods to analyze when children’s intake of sugary beverages matters the most for their weight and health.
“I was struck that the differences in children’s body composition were seen in relation to intake levels that appear unremarkable, even less than one serving per day,” said Sian Robinson of the University of Southampton in the UK, who wasn’t involved in the study.
“We need to know more about the long-term effects of maternal nutrition on offspring health,” she told Reuters Health by email. “Few intervention studies in pregnancy have longer-term follow-up data to describe the effects on children’s body composition.”
Several of these intervention studies have been completed recently, Robinson added, and that follow-up data will be available soon.
“The links between sugar-sweetened beverages and obesity are well-established,” she said. “But this new data suggests mothers’ consumption is important and has public health relevance.”
After ruling out a herniated disc is not causing your sciatic nerve problems, you should look to the pelvis and many times the culprit is the piriformis muscle.
When the piriformis becomes tight or inflamed, it can put pressure on the sciatic nerve and you can get the sensations going down the leg. �Symptoms such as numbness, tingling, and sharp shooting pain.
A common mistake I�ve seen on YouTube videos and at different gyms and clinics, is people using a tennis ball, lacrosse ball, or foam rollers to apply pressure to the piriformis muscle in order to relax it.
If your sciatica is caused by piriformis syndrome, applying pressure to an area that�s already compressed will only add more pressure to the sciatic nerve and cause more pain.
What you should do instead, is stretch the muscle causing the problem so that it relaxes and takes pressure off the sciatic nerve. In this video you�ll learn an easy stretch you can do on the floor.
You simply lay on your back with both legs bent. Then cross the painful leg over the good one. And pull the affected leg towards the opposite shoulder and hold that stretch for 30 seconds.
Repeat the stretch as needed.
This will help to relieve the sciatic pain associated with piriformis syndrome.
As with any conditions, there is no quick fix. You have to consistently perform sciatica stretches and exercises to achieve the best results.
Many accident victims report neck pain in the days after a car accident. This neck pain is due to whiplash. Whiplash pain may not surface following a car accident till a day or two. The pain does not happen until a week or even longer.
Whiplash is an injury to the neck muscles out of rapid forward and backward motion of the neck brought on by a trauma (eg, a car accident). It can cause acute (short-term) neck pain as well as restricted movement on your neck. This is the reason why it is extremely important to get medical care from a chiropractor if you do not have pain or any visible injuries.
Your spine is evaluated by the chiropractor as a whole. He or she’ll examine the entire spine because other regions of the spine may be affected (not your neck).
Chiropractic Evaluations for Whiplash
The healthcare professional or chiropractor will identify any areas of spinal injury, muscle strain, and joint movement. They may use a technique called motion and static palpation. Your chiropractor will feel for tenderness and make sure your spinal joints move.
He or she will examine how you walk, and take note of your posture and spinal alignment. These details will help the chiropractor understand that your body’s mechanisms and your spine works, assisting with the identification process.
Mechanism of Injury: MRI Scan
Besides the chiropractor’s test of your spine, he or she may order an MRI of your backbone to evaluate any changes which might have existed before your whiplash injury or an x ray. Your neurological and own physical evaluation’s diagnostic pictures and results are compared to create the treatment plan.
Before and After X-Rays
Whiplash CT Scan
Soon after whiplash occurs, the chiropractor will work on reducing neck inflammation using various therapy modalities (eg, ultrasound). They may also use gentle stretching and manual treatment techniques (eg, muscle energy therapy, a type of extending). Chiropractors promote recovery in the affected regions, and can assist in relieving pain, by using different therapy methods.
Your treatment plan depends on the seriousness of your whiplash injury. The most common technique is spinal manipulation. Some manipulation methods utilized are:
Chiropractic Adjustment: By performing spinal manipulation, via movements or thrusts, chiropractors can move the involved joint. This helps create flexibility, strength and promotes recovery.
Muscle Comfort and Muscle Stimulation: Using calm gentle stretches to the muscles that are affected, tension can be relieved. These stretches can also be combined with ‘finger pressure techniques’ on certain pressure points to alleviate pain.
Exercises: A variety of stretches and exercises can help decrease the symptoms associated with whiplash and neck pain. Chiropractors can recommend several of these to patients to perform at home on their own. This provides the patient a bit more control in the healing procedure.
The chiropractor might also recommend you apply an ice pack on your neck or a mild neck support to use for a period of time. The pain decreases and as your neck becomes inflamed, your chiropractor will execute other methods or gentle spinal manipulation to restore normal motion.
Using these techniques, a chiropractor will allow you to increase your daily activities. He or she’ll work hard to tackle any mechanical (the way the backbone goes) or neurological (nerve-related) causes of the own miscarriage.
The scope of our information is limited to chiropractic and spinal injuries and conditions. To discuss options on the subject matter, please feel free to ask Dr. Jimenez or contact us at 915-850-0900 .
By Dr. Alex Jimenez
Additional Topics: Automobile Accident Injuries
Whiplash, among other automobile accident injuries, are frequently reported by victims of an auto collision, regardless of the severity and grade of the accident. The sheer force of an impact can cause damage or injury to the cervical spine, as well as to the rest of the spine. Whiplash is generally the result of an abrupt, back-and-forth jolt of the head and neck in any direction. Fortunately, a variety of treatments are available to treat automobile accident injuries.
In the latest edition of�Phil Steele�s College Football Preview, the respected publication recognized seven Miners to the Preseason Conference USA team and ranked UTEP�s offensive line as no. 1 in C-USA and no. 40 nationally.
Will Hernandez (guard), Greg Long (tackle) and Alvin Jones (linebacker) were honored as 2017 Preseason C-USA first team selections. Terry Juniel (punt returner) garnered a third team selection, while freshman Joshua Fields (running back), Jayson VanHook (linebacker) and Alan Luna (punter) received fourth team selections.
Steele also rates UTEP�s linebackers as the fifth-best in C-USA.
As far as UTEP�s offensive line, Steele rated it as no. 1 in C-USA heading into the 2017 campaign. The Miners ranked tied third in sacks allowed (22.0) and ranked fourth in sacks allowed per game (1.83). Overall in the country, the Miners� offensive line unit is ranked no. 40 by Steele in his top 56. UTEP is one of five schools not from a Power Five conference to make the top 40.
Hernandez is ranked no. 6 as one of the top 61 guards in the Top Draft Eligible Players. Hernandez was also named second team All-American on Steele�s 2017 Preseason All-American team.
UTEP opens the 2017 campaign at national power Oklahoma on�Sept. 2�(1:30 p.m. MT). Then the Miners rev up C-USA action in the Sun Bowl on�Sept. 9�against Rice (6 p.m.).
NORTHBROOK, Ill. ��Allstate Insurance Company and the American Football Coaches Association (AFCA) announced�on Monday�that UTEP quarterback Ryan Metz one of 146 nominees for the 2017 Allstate AFCA Good Work Team, a prestigious off-the-field honor in college football.
�Allstate is immensely honored to partner with the AFCA for the 10th�year to help pay tribute to these players and their off-the-field �good works� that often go unnoticed and unrewarded,� said Thomas Clarkson, president of the west territory for Allstate Insurance Company and a member of the 2017 Allstate AFCA Good Works Team�voting panel. �The individuals nominated to the 2017 Good Works Team�are making a positive impact and uniting communities across the country through service, showing what�s possible when you put all hands in and give back.�
The El Paso native is known for his on-field achievements and has also made an impact off the field. The junior completed 25 hours of community service hours last season, while the signal caller is known for volunteering his time to children in the community. Metz volunteered over 15 hours at children�s camps, where he assisted with football drills and activities for the future gridiron greats.
Metz was also a member of Project MOVE, where he played with children in the community in various activities like kickball, football and soccer. Metz is active in assisting with the football team�s weekly dinner with the Child Crisis Center. Metz, along with his teammates, spend time with the children in the Crisis Center, playing, working on homework and eating dinner together.
The student-athletes nominated for this esteemed award embody the true spirit of teamwork and selflessness, donating their limited free time to helping and serving others. From founding a non-profit that helps orphans secure jobs in the workforce to raising funds and awareness for childhood cancer research, the 2017 Allstate AFCA Good Works Team��nominees may wear different jerseys on the field, but they all exemplify a superior commitment to giving back off of it.
Comprised of 11 players from the NCAA Football Bowl Subdivision and 11 players from the NCAA Football Championship Subdivision, Divisions II, III and the NAIA, the final roster of 22 award recipients will be unveiled in September. From the nominees submitted by sports information directors across the nation on behalf of their schools, a special voting panel consisting of former Allstate AFCA Good Works Team�members and prominent college football media members will select the 2017 Good Works Team.
Two-time national champion, Heisman Trophy winner and 2009 Allstate AFCA Good Works Team�member Tim Tebow will headline the Allstate AFCA Good Works Team�voting panel.
Once the final team members are announced in September, college football fans are encouraged to visit the Allstate AFCA Good Works Team�website on ESPN.com, featuring profiles and images of the players, for the opportunity to vote for the 2017 Allstate AFCA Good Works Team�Captain. Throughout the season, fans can also follow along and join in on the conversation by searching and using #GoodWorksTeam on their social media channels.
In order to meet the criteria, set forth by Allstate and the AFCA, each player must be actively involved with a charitable organization or service group while maintaining a strong academic standing.
Metz has also excelled in the classroom, as he�s a three-time Conference USA Commissioner�s Honor Roll recipient with a 3.34 GPA in Mathematics. Metz completed 64.7 percent of his passes, ranked third in C-USA in 2016, while it�s the program�s second-best single-season performance. His 14 passing scores were the most for a UTEP quarterback since 2010.
Recently, Metz was one of 45 national collegiate quarterbacks, and the first UTEP quarterback, to be invited to the 2017 Manning Passing Academy supervised by the Manning Family (Archie, Cooper, Peyton and Eli). The camp was a four-day event that started on June 22 at Nicholls State University in which over 125 prep, college and professional coaches, counselors and staff members were involved.
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