Pages tagged with "Sports"

273 pages, most important first (overviews, then meta-analyses, then RCTs, then newest). Combine with another topic

• Overview Sports and vitamin D
• Protein, muscles, bones and Vitamin D - many studies
• Fewer bone and stress fractures with vitamin D - many studies
• Muscles and Vitamin D - many studies
• Sarcopenia (muscle loss) fought by Vitamin D, exercise and protein - many studies
• Some Foot and ankle problems are treated by Vitamin D – many studies
• Omega-3 helps muscles - many studies
• ACL knee problems assocated with low Vitamin D - several studies
• Protein aids muscle gain – meta-analysis
• Protein after resistance training increased senior walking speed – meta-analysis
• Athletic strength improved by Vitamin D – meta-analysis
• Muscle strength improved with Calfidediol (a form of vitamin D) - meta-analysis
• Muscle Inflammation (idiopathic inflammatory myopathy) 3.2 X more likely if low Vitamin D – meta-analysis
• Omega-3 improves elderly muscles – 2 meta-analyses
• Indoor athletes have 4.5 ng less Vitamin D (Asia in this case) – meta-analysis
• Sports benefits from up to 50 ng of Vitamin – meta-analysis
• Stress fractures in basic training associated with 2.5 ng less vitamin D – meta-analysis
• Adding just a little vitamin D does not help (muscle mass in this case) – meta-analysis
• Vitamin D supplementation increases strength of lower muscles – Meta-analysis
• Vitamin D supplementation improves muscle strength in healthy adults – meta-analysis of 6 RCT
• Vitamin D supplementation help muscles of seniors who are vitamin D deficient – meta-analysis
• Vitamin D trials by military – all 4 found benefit – review
• Vitamin D improves muscle strength if deficient – meta-analysis
• Elderly lower limb muscle strength improved with Vitamin D supplementation - Meta-analysis
• Resistance exercise combined with Vitamin D is great for seniors – meta-analysis
• 2000 IU of vitamin D for just 2 weeks helped in many ways – RCT
• Vitamin D helps sports - review of 45 RCTs
• Weight loss includes muscle loss unless add vitamin D, whey and leucine – RCT
• Less ultramarathon heart damage if take 150,000 IU of Vitamin D a day earlier – RCT
• Individualized – RCT
• Grip strength of children not improved by 800 IU Vitamin D daily (not nearly enough) – RCT
• Diabetic inflammation synergistically decreased by Vitamin D and exercise – RCT
• Handgrip strength increased 9 percent in college athletes with 8 weeks of Omega-3 – RCT
• Resistance training can be aided by Vitamin D, 50,000 IU monthly is not often enough – RCT
• Athletes helped by weekly 50,000 IU Vitamin D – RCT
• 4,000 IU of vitamin D for 1 month does not help (muscles in this case) – RCT
• College swimmers helped by daily 5,000 IU of Vitamin D in the fall – RCT
• Child soccer players who were deficient were helped by a single 200,000 IU vitamin D dose – RCT
• Senior muscles increased somewhat with Omega-3 – RCT
• 2X less muscle soreness after exercise if Omega-3 index higher than 4 – RCT 2014
• Lean body mass increased in those getting just 420 IU of vitamin D daily– RCT
• Muscle strength of Judo athletes increased 13 percent following single dose of 150,000 IU vitamin D – RCT
• Exercise plus vitamin D increases elderly muscles (Nordic walking in this case) – RCT
• Taekwondo athletes helped by just 1 month of Vitamin D (longer would be better) - RCT
• Football Brain injuries prevented by Omega-3 – RCT
• Nordic Walking and 4,000 IU of vitamin D lowered cholesterol, fat, weight, and lipids (senior women) – RCT
• Teen dancers had 3X fewer traumatic injuries after 120,000 IU Vitamin D over a week – RCT
• Elite Athletes do well with weekly 35,000 IU of Vitamin D – RCT
• Muscle strength not increased by raising vitamin D to only 30 ng – RCT
• Obese helped with resistance training by 4000 IU of vitamin D – RCT
• Athletes maximal cardiac output increased 12 percent with Vitamin K2 – RCT
• Severely burned children recovered muscle capability much faster with daily 1000 IU of vitamin D – RCT
• Indoor bicycling and 2000 IU of vitamin D lowers heart rate by 6 percent – RCT
• How vitamin D helps exercise (IGF) – RCT
• Improved muscle function in postmenopausal women with just 1,000 IU of vitamin D daily – RCT
• Most Olympic-class Dutch athletes nudged Vitamin D levels above 30 nanograms with 2200 IU daily – RCT
• Volleyball players jump higher with Magnesium - RCT 2014
• People with old burns improved muscle strength with 2200 IU average vitamin D – RCT
• More muscle response when have adequate vitamin D
• More muscle strength 80 years after being born in warm season (no surprise)
• 1 in 4 N.F.L. Players Gets Brain Disease (C.T.E.)
• Vitamin D Does Not Treat All Types of Muscles the Same
• Concussions (traumatic brain injury) getting big press coverage, vitamin D might be both a cause and a solution
• 3X less muscle atrophy after ACL surgery if more than 40 ng of vitamin D
• Fitness is improved by Vitamin D
• Active muscles store vitamin D for the winter
• Sunshine is a cure for “weak and soft muscles” – 425 BC
• Protein which helps muscles, sarcopenia, metabolism, and diabetes is aided by Vitamin D
• 26% higher injury rate of college athletes for each 10 ng lower Vitamin D
• Vitamin D and physical activity synergistically improve muscle health
• Bone stress injuries rare after Vitamin D (50,000 IU weekly for 8 weeks)
• Does Vitamin D Mimic the Effect of Anabolic Steroids
• Little increase in muscles by adding exercise, protein and Vitamin D for 10 days (no surprise)
• Young adults eating Ultra-processed Foods 60% more likely to have lower Muscle Mass (Vitamin D can help)
• Exercise times vs Vitamin D from the sun
• Postmenopausal women need Vitamin D, protein and exercise to prevent loss of muscle and bone
• Elite soccer players with more vitamin D can change direction more quickly
• Magnesium helps muscles in more than 10 ways
• Problems with tendon connecting bicep to elbow occur 2.6 X more often in people with low vitamin D (200,000 people)
• Plantar Fascitis (10% have it) treated by 50,000 IU of Vitamin D
• 16 Longevity books compared in a video
• Low muscle strength predicts low vitamin D level in elderly
• Muscles not improved by just Vitamin D weekly (also need exercise)
• Hypothesis: Less severe muscle damage if vitamin D level had been normalized
• Muscle Strength improved 1.4 to 19 percent by vitamin D3 (not D2) – systematic review
• More muscle torque associated with higher vitamin D
• Muscle strength of senior women increased 25 percent with vitamin D, decreased 6 percent with placebo
• Fast twitch muscles increased by Vitamin D in athletes and seniors (reduce falling)
• Muscle problems are both treated and avoided by Vitamin D
• High-Dose Vitamin D puts surplus calories into muscles instead of fat (mice)
• Exercise-induced muscle damage fought when enough vitamin D used for long enough – review
• Some excess calories diverted to muscle growth if high level vitamin D (exercising mice) – preprint
• Skeletal Muscles regenerated with Vitamin D supplementation – review
• Athletes who had been COVID infected had lower Vitamin D levels
• Stronger rowers have higher levels of Vitamin D
• Vitamin D Helps Atlanta High School Athletes
• Intense exercise increases vitamin D receptor activation
• Sports
• Rotator cuff (in rats) healed faster with Vitamin D
• Shin splints decrease with vitamin D
• Athletic deaths now 7 X higher than normal
• Typical stress fracture during US Navy training cost 14,953 dollars, most had less than 40 ng Vitamin D
• Half as many fractures for girls with high vitamin D intake
• Vitamin D and CBD both benefit sports and are not considered to be doping
• 10,000 IU Vitamin D raised basketball player levels (more than 50 ng need to improve performance)
• Low Vitamin D 2X more likely in power-sport athletes
• Vitamin D raised after intense exercise if initially low and can burn fat
• Exercise Performance improved by Vitamin D or Magnesium – 2021
• Better handgrip strength if some good vitamin D genes (or if supplement)
• The only independent predictor of aerobic power: Vitamin D - 2021
• Off Topic: Exercycle for high-intensity exercise with UV
• COVID quarantine reduced vitamin D levels by 40 percent (Japanese football team)
• Sarcopenia does not officially exist in Australia, but 1 in 3 of their seniors have it
• Muscle loss (sarcopenia) may be both prevented and treated by Omega-3
• Sarcopenia reduction: Protein, Leucine, Omega-3, Vitamin D, and exercise - hypothesis
• Wattage produced by Elite indoor athletes: 3.9 W per kg if high Vitamin D vs 3.5 if low
• Exercise training by seniors may benefit from as little as 800 IU of vitamin D
• Less muscle inflammation after exercise if high level of Vitamin D (50 ng)
• Vitamin D - Legal doping for sports professionals, amateurs and their families (book in German) 2020
• 50,000 IU Vitamin D weekly provided enough benefit for combat sport athletes
• Olympic Committee consensus on Vitamin D, Omega-3, Zinc, etc
• Vitamin D is the most commonly used supplement by elite female soccer players
• Stress fractures – 83 percent had less than 40 ng of vitamin D
• Metatarsal Stress Fracture 5X more likely if low vitamin D
• 4X fewer stress fractures in college athletes if more than 40 ng of vitamin D
• Stress fractures take longer to heal if low vitamin D
• Elite sports teams adding 5,000 IU of vitamin D weekly did not see much benefit (no surprise)
• Stress Fractures and Vitamin D – narrative review
• Olympic Athletes and vitamin D - clippings 2009-10
• 6,000 IU of vitamin D for 6 weeks helped soccer players somewhat
• Most exercise occurs in the evening (when there is little or no Vitamin D)
• Low muscle mass at least 2X more likely if low Vitamin D (Korea, all ages)
• Vitamin D helps athletes while reducing their COVID-19 risk
• Surgeon on a mission to promote vitamin D
• Only 1 NCAA basketball player getting 10,000 IU vitamin D daily achieved 50 ng goal
• More muscle injuries in NFL players who were low on vitamin D
• Result of 5 years of Vitamin D given to athletes in a high school: $60 million in scholarships, almost zero concussions, etc.
• Faster Soccer sprints by teens from 5,000 IU of vitamin D for just 70 days
• More fast twitch muscles (IIA) are associated with higher levels of Vitamin D
• Fewer injuries and higher ballet jumps with 2,000 IU of vitamin D
• NFL team less likely to cut players with high levels of vitamin D
• Dark skinned NCAA basketball players were 15X more likely to have low vitamin D
• NCAA athletes – one third had low levels of vitamin D, 19X more likely if black race
• NCAA athletes with low vitamin D do far fewer squats, etc.
• Book on Sports and vitamin D
• Sarcopenia (muscle loss) is 1.6X more likely if poor Vitamin D receptor
• Every single Taekwondo (indoor) Korean teen had low Vitamin D
• Less muscle loss associated with eating more fish (Omega-3, Vitamin D, Magnesium, etc)
• My balance significantly improved at age 73 (perhaps Vitamin D, B12, or Omega-3)
• Muscle fatigue 4X less likely in rugby players getting Omega-3 and protein
• Large single-dose of Omega-3 reduced expected muscle damage
• No NCAA player had a healthy Omega-3 index
• Seniors gained 0.3 kg of muscle in 6 weeks with 800 IU and Leucine protein
• NCAA trainers are getting on board the Vitamin D train (40-50 ng)
• Professional sports team takes 5000 IU vitamin D and wins championship
• Vitamin D provides faster recovery after muscle overuse
• Low vitamin D resulted in reduced genes to make muscles (in rats)
• Omega-3 helps muscles
• Vitamin D measured in 4000 people for many years – longitudinal associations
• Vitamin D and muscle
• Omega-3 helps muscles and reduces inflammation, lipids, and insulin
• Muscles of senior women not helped by just vitamin D (also need exercise)
• Vitamin D being used by sports teams to avoid injuries and improve performance – WSJ
• Mechanisms of vitamin D action in skeletal muscle
• Football professionals die more often of neuro and cardio problems than those in baseball
• Vitamin D and the Athlete – a complex problem
• Elite outdoor athletes had 52 ng of vitamin D
• Mild Traumatic Brain Injury prevented with Omega-3, Resveratrol, etc (in rats)
• Traumatic brain injury treated by Vitamin D Progesterone Omega-3 and glutamine
• Handgrip strength dropped by 20 percent in the last generation (perhaps due to lower vitamin D)
• Vitamin D does not help gain muscle mass (when only use small doses)
• Fastest US High School sprinters are both at the school taking lots of vitamin D (Matthews)
• NHL discovers Vitamin D – their ideal is 40-120 ng – 2016
• Dietary Protein, Muscle and Physical Function in the Very Old
• Low Vitamin D breaks down muscle by interferring with protein - Editorial
• Recreational athletes having more than 20 ng of vitamin D run faster
• Higher Cardiovascular fitness (VO2) if higher Vitamin D
• Exercise capacity (VO2) 25 percent higher if high level of vitamin D
• Oxygen uptake associated with higher vitamin D – up to 50 hours per week
• Muscle inflammation 17X more probable if vitamin D deficient
• Vitamin D improves muscle strength, reduces falling, and reduces frailty – review
• Disability was 1.9 X more likely if weak muscles and low vitamin D two years before
• Muscle, etc. problems if consume little vitamin D (mice)
• Healthy walking speed is 100 steps per minute
• College football injuries 5.9 X more likely if low pre-season vitamin D – thesis
• Osteoporosis and low grip strength both associated with low vitamin D
• Poor handgrip strength in 5-year-old girls 3X more likely if low vitamin D
• Physical performance of seniors increases with vitamin D up to 30 ng
• Overweight senior women with low vitamin D were 12X more likely to be weak
• During NFL season – Omega-3 down by 2.5 points while Vitamin D up by 9 ng
• Slow walking speed of youths 14 times more likely if low vitamin D
• Sports and Vitamin D – a review which has many problems
• Lack of Vitamin D Can Sideline College Football Players
• The USADA should ban vitamin D
• Senior women more physically able if vitamin D higher than 30 ng
• Vitamin D bed used 4 minutes daily by dark skin members of UK sports team
• Professional soccer players in region with very hot sun – 89 percent low vitamin D
• Vitamin D increased muscle strength by 1% to 19% (varied with dose and duration) – review
• Weaker hand grip if poor Vitamin D Receptor (15 percent)
• Muscle fatigue reduced with 10,000 IU of vitamin D
• Having several concussions as a teenager doubled the risk of Multiple Sclerosis
• A Concussion-Free Football Season: How one High School beat the odds
• Young Israeli athletes and dancers had just 25 ng of vitamin D
• Off Topic – Light exercise extend life by 4.5 years – perhaps more than vitamin D
• Muscle strength in youth increased with 60,000 IU vitamin D per week and 1 g Calcium
• Elite Athletes Try a New Training Tactic: More Vitamin D - WSJ
• Recent increase in Vitamin D levels in Elite Irish Athletes
• 5,000 IU daily was just enough vitamin D for Irish athletes in the winter
• Sarcopenia: Nutrition and physical activity – systematic review
• Vitamin D increasing muscle strength may reduce knee pain
• Sports spread Zika to Brazil, and the Olympics will spread Zika to the rest of the world
• Laryngospasm 2 X more likely in competitive rowers with low vitamin D
• Vitamin D, athletes, hormones
• Less muscle and insulin resistance for children of vitamin D deficient mothers
• The Importance of Vitamin D for Athletes - 2015
• Capillary blood flow increased with Omega-3 by increasing deformability of blood cells
• Diabetes 3X more likely if little aerobic exercise (perhaps low vitamin D)
• Athletic performance and recovery benefits of Vitamin D (4000-5000 IU and Vitamin K)
• Athletic performance and recovery – importance of vitamin D and vitamin K – 2015
• Doctors Say Top Athletes Take Vitamin D And So Should You - CBS News
• Outdoor activities prescribed by 20 French doctors to treat diseases associated with low vitamin D
• 4000 IU increased peak power in exercise vs placebo
• Athletes (national-level) with less than 10 ng of vitamin D had smaller hearts
• Professional soccer players with more vitamin D had better body parameters – 2014
• Vitamin D and bicarbonate perhaps synergistically reduce muscle loss
• Elite NZ Outdoor athletes fear skin cancer 10X more than fear low vitamin D
• Many athletes now advised to take daily vitamin D supplements
• Goal for Scottish athletes: none will be vitamin D deficient (typically 2 out of 3)
• Top UK soccer coach installed vitamin D booths in his club
• 5,000 IU vitamin D helped UK professional athletes in the winter
• Collegiate Swimmers getting 4000 IU of vitamin D had fewer injuries
• Vitamin D levels dropped after training for white, but not black females
• Vitamin D – Polish office workers less than Polish Soccer players, less than Italian Soccer players (no surprise)
• Teenage knee injury 4X increase in last decade in Philadelphia
• The Big D (an editorial in American Journal of Sports Medicine)
• Kids less fit than their parent were (perhaps low vitamin D)
• Ballet dancers in the winter had more injuries and only 15 ng of vitamin D
• Type 2 muscles, not all muscles, get benefit from Vitamin D
• Vitamin D podcast with VitaminDWiki
• More than 40 ng vitamin D for Athletes
• Teens with higher levels of vitamin D were more fit in some ways
• Nutritional deficiencies of seasoned athletes (vitamin D is 2nd)
• Muscle improved by increasing vitamin D if previously less than 24 ng
• Sport performance not improved after 5710 IU of vitamin D daily for 12 weeks
• Some athletes would benefit from more vitamin D
• Review of Vitamin D and Physical Performance
• Female Athlete health problems may be due to lack of vitamin D and Iron
• Ballet Dancers with low D had 50 percent more injuries – pilot study
• Strong bones need both physical activity and vitamin D
• Vitamin D2 intervention increased elderly muscle strength
• During basic training white females decreased vitamin D but non-whites increased
• Perhaps Stress fractures 2X less frequent if 4000 IU of vitamin D
• Vitamin D reduces stress fractures – review
• Fitness is associated with vitamin D, even accounting for BMI
• Low vitamin D in teens: especially black or overweight
• Vitamin D improves athletic performance
• None of the female soccer players got the minimum vitamin D
• Story – Prevent injuries and speed healing with vitamin D
• Basketball players low on vitamin D
• Another outdoor sport produces more bone than indoor sport – vitamin D
• Suggests that college athletes supplement with vitamin D in winter
• Athletes need 50 ng/ml of Vitamin D – Cannell and Hollis – 2009
• 4000 IU vitamin D and exercise for overweight – PhD 2010
• Injury-Prevention with Vitamin D
• 8500 IU average daily helped sports performance
• Seniors with more than 20 ng of vitamin D were 14 percent stronger
• Postmenopausal women with higher vitamin D exercised more
• Sports Nutrition Conference on Bone health Calcium and vitamin D
• Skeletal Muscle weakness from lack of vitamin D fixed by adding Calcium and phosphorus
• Metabolites of vitamin D and exercise
• Higher Cardiorespiratory Fitness is associated with higher vitamin D in blood
• Vitamin D, Muscle Function, and Exercise Performance in kids
• Vitamin D improving muscles may be due to improving phosphate levels