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Nathan Goodyear

The Effect of High-Intensity Intermittent Exercise on Body Composition of Overweight Young Males - 0 views

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    High intensity training results in effective fat loss.  This study followed individuals over a 12 week cycle.  They performed HIT at 20 mins 3 x weekly.  Fat loss was statistically significant when compared to control group.
Nathan Goodyear

A practical model of low-volume high-intensity interval training induces mitochondrial biogenesis in human skeletal muscle: potential mechanisms - 0 views

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    High-intensity interval training increase mitochondrial performance.
Nathan Goodyear

The Effect of High-Intensity Intermittent Exercise on Body Composition of Overweight Young Males - 0 views

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    another study that shows that High intensity interval training (HIT) results in fat loss.  IN this study, training consisted of 20 minutes 3 x weekly for 12 weeks.  Fat loss in total, abdominal, trunk, and visceral was decreased.  This study only looked at men.
Nathan Goodyear

High-Intensity Intermittent Exercise and Fat Loss - 0 views

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    Nice review of the physiologic response to High-intensity intermittent exercise (HIIT).  HIIT is associated with increased catecholamines, cortisol, and HGH.
Nathan Goodyear

Frontiers | Prevalence of Non-responders for Glucose Control Markers after 10 Weeks of High-Intensity Interval Training in Adult Women with Higher and Lower Insulin Resistance | Physiology - 0 views

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    Exercise is key to healthy lifestyle: High Intensity Interval Training for Insulin resistance found to improve waist circumference, systolic bp, and HOMA-IR; Increased non-responders for insulin and glucose in those with mild IR versus severe IR.
Nathan Goodyear

Testosterone responses to intensive inte... [J Endocrinol Invest. 2012] - PubMed - NCBI - 0 views

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    high intensity interval training versus steady state provides different results in post exercise FT.
Nathan Goodyear

Exercise and circulating cortisol levels... [J Endocrinol Invest. 2008] - PubMed - NCBI - 0 views

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    Study finds moderate and high intensity exercise associated with an elevated ACTH and serum Cortisol.
Nathan Goodyear

Physiological adaptations to low-volume, high-intensity interval training in health and disease - 0 views

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    Good discussions of the benefits of high intensity, interval training.
Nathan Goodyear

Effect of acute DHEA administration on free testosterone in middle-aged and young men following high-intensity interval training. - PubMed - NCBI - 0 views

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    Decline in free Testosterone, especially in physically unfit men, blunted by oral 50 mg DHEA night before exercise.  Total Testosterone and DHEA remained significantly low up to 24 hours post HIIT.
Nathan Goodyear

JISSN | Full text | International Society of Sports Nutrition position stand: creatine supplementation and exercise - 0 views

  • the energy supplied to rephosphorylate adenosine diphosphate (ADP) to adenosine triphosphate (ATP) during and following intense exercise is largely dependent on the amount of phosphocreatine (PCr) stored in the muscle
  • Creatine is chemically known as a non-protein nitrogen
  • It is synthesized in the liver and pancreas from the amino acids arginine, glycine, and methionine
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  • Approximately 95% of the body's creatine is stored in skeletal muscle
  • About two thirds of the creatine found in skeletal muscle is stored as phosphocreatine (PCr) while the remaining amount of creatine is stored as free creatine
  • The body breaks down about 1 – 2% of the creatine pool per day (about 1–2 grams/day) into creatinine in the skeletal muscle
  • The magnitude of the increase in skeletal muscle creatine content is important because studies have reported performance changes to be correlated to this increase
  • "loading" protocol. This protocol is characterized by ingesting approximately 0.3 grams/kg/day of CM for 5 – 7 days (e.g., ≃5 grams taken four times per day) and 3–5 grams/day thereafter [18,22]. Research has shown a 10–40% increase in muscle creatine and PCr stores using this protocol
  • Additional research has reported that the loading protocol may only need to be 2–3 days in length to be beneficial, particularly if the ingestion coincides with protein and/or carbohydrate
  • A few studies have reported protocols with no loading period to be sufficient for increasing muscle creatine (3 g/d for 28 days)
  • Cycling protocols involve the consumption of "loading" doses for 3–5 days every 3 to 4 weeks
  • Most of these forms of creatine have been reported to be no better than traditional CM in terms of increasing strength or performance
  • Recent studies do suggest, however, that adding β-alanine to CM may produce greater effects than CM alone
  • These investigations indicate that the combination may have greater effects on strength, lean mass, and body fat percentage; in addition to delaying neuromuscular fatigue
  • creatine phosphate has been reported to be as effective as CM at improving LBM and strength
  • Green et al. [24] reported that adding 93 g of carbohydrate to 5 g of CM increased total muscle creatine by 60%
  • Steenge et al. [23] reported that adding 47 g of carbohydrate and 50 g of protein to CM was as effective at promoting muscle retention of creatine as adding 96 g of carbohydrate.
  • It appears that combining CM with carbohydrate or carbohydrate and protein produces optimal results
  • Studies suggest that increasing skeletal muscle creatine uptake may enhance the benefits of training
  • Nearly 70% of these studies have reported a significant improvement in exercise capacity,
  • Long-term CM supplementation appears to enhance the overall quality of training, leading to 5 to 15% greater gains in strength and performance
  • Nearly all studies indicate that "proper" CM supplementation increases body mass by about 1 to 2 kg in the first week of loading
  • short-term adaptations reported from CM supplementation include increased cycling power, total work performed on the bench press and jump squat, as well as improved sport performance in sprinting, swimming, and soccer
  • Long-term adaptations when combining CM supplementation with training include increased muscle creatine and PCr content, lean body mass, strength, sprint performance, power, rate of force development, and muscle diameter
  • subjects taking CM typically gain about twice as much body mass and/or fat free mass (i.e., an extra 2 to 4 pounds of muscle mass during 4 to 12 weeks of training) than subjects taking a placebo
  • The gains in muscle mass appear to be a result of an improved ability to perform high-intensity exercise via increased PCr availability and enhanced ATP synthesis, thereby enabling an athlete to train harder
  • there is no evidence to support the notion that normal creatine intakes (< 25 g/d) in healthy adults cause renal dysfunction
  • no long-term side effects have been observed in athletes (up to 5 years),
  • One cohort of patients taking 1.5 – 3 grams/day of CM has been monitored since 1981 with no significant side effects
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    Nice review of the data, up to the publication date, on creatine.
Nathan Goodyear

The Addition of Beta-hydroxy-beta-methylbutyrate and Isomaltulose to Whey Protein Improves Recovery from Highly Demanding Resistance Exercise - 0 views

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    Whey protein is beneficial as supplementation for resistance training recovery. This study found the addition of a leucine metabolite, beta-hydroxy-beta-methylbutyrate, and the carbohydrate Isomaltulose before, during, and after high intensity exercise further augmented recovery.
Nathan Goodyear

Effect of Number of Sprints in a SIT Session on Change in VO... : Medicine & Science in Sports & Exercise - 0 views

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    meta-analysis out of Scotland finds that less may be more when it comes to interval training.  
Nathan Goodyear

Sex specific responses to self-paced, hi... [J Strength Cond Res. 2013] - PubMed - NCBI - 0 views

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    Study finds interval training positive for both men and women.  The best ratio, according to this study, is 2:1 work to rest.
Nathan Goodyear

Leg vascular and skeletal muscle mitochondrial adaptations to aerobic high-intensity exercise training are enhanced in the early postmenopausal phase. - PubMed - NCBI - 0 views

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    The early post menopause phase is critical for women. This is the phase that requires intensify strategy for exercise. The ER alpha signaling is actually increased and the ability to build muscle is intensified if exercise, particularly resistance training, is employed.
wheelchairindia9

Weight Cuff - 0 views

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    Tynor Weight Cuff Tynor Weight cuffs are used to exercise ailing joints to build strength and aid recovery. Tynor Weight Cuff is flexible and cushion, so it does not injure. Recommended for use to improve muscle tone, muscle mass, strength and stamina. Tynor Weight Cuff Features Offers 1 kg resistance when wrapped around Weight is wrapped in comfortable and soft fabric Used to build muscles, flexibility or to lose weight Can be secured easily around to prevent injuries or accidents Cuff is safe to be used during everyday activities as well Tynor Weight Cuff Measurements Sizes Available: 1/2 Kg / 1Kg / 2 Kg
wheelchairindia9

Chest Binder - 0 views

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    Tynor Chest Binder Chest Binder is applied to the thoracic region to compress and bind the rib cage and provide splinting to the sternum while allowing sufficient flexibility for comfortable breathing. Anatomic chest pad. Controlled compression. Optimum chest splinting. Soft feel. Tynor Chest Binder Features 50 mm thick PUF pad hold and binds the fractured sternum without compromising on patient comfort. Strong elastic band gives good grip and helps in equidistribution of pressure. Reduces post operative pain and discomfiture. Facilitates phlegm expulsion after cardio thoracic surgery. Tynor Chest Binder Measurements Measure circumference around the chest.
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