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umar111

Computer Science: Computer hardware - 0 views

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    Computer Science Tuesday, April 25, 2023 Computer hardware Computer hardware is the physical components that make up a computer system. It includes everything from the central processing unit (CPU) to the monitor, keyboard, and mouse. Understanding the different types of hardware and how they work together is essential for anyone who works with computers. In this article, we will explore the various components of computer hardware, including internal and external components, and the peripherals that connect to them. We will also discuss the importance of hardware maintenance, the latest advancements in computer technology, and factors to consider when choosing the right hardware for your needs. Whether you are a computer technician, a gamer, or simply someone who uses a computer for everyday tasks, this article will help you better understand the world of computer hardware. Introduction to Computer Hardware Computer hardware refers to the physical components that make up a computer system. It includes everything from the processor and memory to input/output devices such as the keyboard and monitor. In this article, we will explore the different types of computer hardware and their functions. What is Computer Hardware Computer hardware refers to the physical components of a computer system. It includes all the components that can be touched, seen, and used to interact with a computer, such as the monitor, keyboard, and mouse. Hardware is different from computer software, which refers to the programs and applications that run on a computer system. History of Computer Hardware The history of computer hardware dates back to the 1820s when Charles Babbage, an English mathematician, and inventor, designed the first analytical engine, which was considered to be the first mechanical computer. With time, more complex electronic computers were developed, including the first Intel microprocessor in 1971. Since then, computer hardware has continued to evolve, becoming
Nathan Goodyear

Endurance exercise performance: the physiology of champions - 0 views

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    great review on performance physiology.  This article reviews  how VO2 max, lactate threshold, performance VO2, and mitochondria contribute to peak endurance performance.
Nathan Goodyear

JISSN | Full text | International Society of Sports Nutrition position stand: creatine ... - 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
  • ...26 more annotations...
  • 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.
pharmacybiz

Avacta Halts Sale Of Covid-19 Rapid Antigen LFT - 0 views

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    Britain's biotech firm Avacta Group on Monday (January 10) announced halting sales of its Covid-19 rapid antigen lateral flow test AffiDX to replace antibodies in the device and increase its ability to diagnose the Omicron variant. The company stated that AffiDX is capable of detecting Omicron when the virus is present in high numbers in samples, but the sensitivity of the test reduces at lower viral loads. The performance of all rapid antigen tests came under scanner in wake of a large number of mutations in the Omicron variant. AffiDX contains both a proprietary Affimer reagent and a commercially available antibody. The Affimer reagent detects the Omicron variant with the same sensitivity as the Delta variant, and performance of the antibody is paired with the Affimer reagent in the test. This has been affected by the additional Omicron mutations, the firm said. Alastair Smith, chief executive of Avacta Group, said: "Our determination to only provide high quality, high performance diagnostic tests has led us to the correct decision to pause all marketing of the AffiDX® lateral flow antigen test. We have, of course, been unable to market the product in the UK since October 2021, as the product continues to await approval under the new CTDA regulatory process.
Nathan Goodyear

The effects of creatine supplementation o... [Eur J Appl Physiol. 2004] - PubMed - NCBI - 0 views

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    phosphocreatine helps to maintains muscular performance.  This appears to be an early benefit.  The question is does this help in prolonged performance requirements.
Nathan Goodyear

ScienceDirect.com - Nutrition - Vitamin C status and perception of effort during exerci... - 0 views

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    A very small study, but vitamin C shown to reduce fatigue, perception of fatigue and reduced heart rate.  This has implications in improving athletic performance.  The question, what does high dose vitamin C due for fatigue, heart rate, and athletic performance.
Nathan Goodyear

Cordyceps Sinensis (CordyMax Cs... [Int J Sport Nutr Exerc Metab. 2004] - PubMed - NCBI - 0 views

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    Study finds no improvement in performance with Cordyceps over 5 weeks of treatment.  This study looked at endurance performance via VO2 max.
sofiawalker171

Hypnosis For Enhancing Performance | Sports Performance Hypnosis Atwell - 0 views

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    Hypnosis treatment for work life enrichment, anger management, improving sexual difficulties or improving confidence & enhancing performance of Women in Atwell
Nathan Goodyear

Utility, Limitations, and Pitfalls in Measuring Testosterone: An Endocrine Society Posi... - 0 views

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    This was a position statement from the Council of the Endocrine Society.  They looked at the reliability of free and total testosterone in serum and their conclusion: "...most assays for TT and FT are currently performed is decidedly unsatisfactory."  Enough said.  Interesting that they didn't look at salivary testosterone testing which has been shown to be extremely reliable and easy to perform.   I wonder how many physicians, insurance companies, state boards of medicine have read this statement?
Nathan Goodyear

Effect of Cs-4® (Cordyceps sinensis) on Exercise Performance in Healthy Older... - 0 views

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    Cordyceps improved lactate threshold and improved exercise performance in healthy, older people.  The dosing was 333mg TID.
Nathan Goodyear

Creatine Supplementation and Swim Performance: A Brief Review - 0 views

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    Creatine improves swimming performance.  The majority of studies have been on freestyle.
Nathan Goodyear

Discrepancy between Exercise Performance, Body Comp... [PLoS One. 2014] - PubMed - NCBI - 0 views

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    Short 6 week study finds no correlation between sex hormones and soccer performance.
Dr. Jennifer Martinick

Dr Jennifer Martinick - Confidence Behind the High Performance Success - 0 views

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    Dr Jennifer Martinick describes how hair restoration can boost your confidence which ultimately leads to high performance success.
Nathan Goodyear

The Adverse Health Consequences of the Use of Multiple Performance-Enhancing Substances... - 0 views

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    Case study of the harmful effects of Performance enhancing overload.  Physicians are unknownlingly entering this realm in the marketing based medicine approach to the treatment of low T.
wheelchairindia9

Handicapped Two Wheeler - 0 views

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    Heavy duty mobility scooters are strong enough to accommodate almost any user. When compared with lighter units, mobility scooters models tend to feature bigger motors, wider bases, and larger tires. While a lighter model may be difficult to maneuver through rougher landscapes, mobility scooter is designed to tackle even the most challenging terrain.An excellent selection of scooters for sale. An extensive scooter accessories section, where find plenty of customization options to help ensure that the model select is a perfect fit. Side Wheels For Hero Pleasure: Side Wheel Attachment for Hero Pleasure or Side Wheels For Hero Pleasure or Three wheeler Hero Pleasure for handicapped is product, designed for use with bikes meant for the open road. Instead of shifting with a foot, a rider can drive easily their bike on road using his or her hand. This piece of equipment has been tested at well-known motorcycle tracks. This provides assembly and installation for all products at all facilities. Side Wheel Attachment For Hero Pleasure to fit the widest array of motorcycles and all-terrain vehicles possible. Side Wheel Attachment For Hero Pleasure Measurements: Frame : 38 mm 16 Gauge CR Pipe With Powder Coated Wheel Hub : Alloys Molded 2 Piece Tyre Size : 3.50 x 10 Inches 2 Piece Tube Size : 3.50 x 10 inches 2 Piece Shocks Up Heavy Duty 4 Piece ball baring 2 Piece pin bush 2 Piece mudguard chrome plated 2 Piece Disk with 4 Hole Wheel Type: Alloy Wheel Width: 40" to 48" inch Carrying Capacity: 100 -150 kg Side Wheels For Hero Pleasure Features: Independent Mobility Minimal Cost Heavy Duty International quality standards Comfort High level of performance Carrying Capacity: 100 -150 kg Sturdy design Provides excellent balance Provides excellent support High durability Side Wheels For CD Deluxe: Side Wheel Attachment for CD Deluxe or Side Wheels For CD Deluxe or Three wheeler CD Deluxe for handicapped is product, designed for u
Nathan Goodyear

Echinaforce Hotdrink versus Oseltamivir in Influenza: A randomized, double-blind, doubl... - 0 views

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    new study finds Echinacea plus elderberry out performs Tamiflu in the treatment of early flu-like symptoms.  This study was fairly large for a head to head randomized study.  I love it when natural therapies out perform prescription meds.
wheelchairindia9

Jazzy Select Elite - 0 views

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    Jazzy Select Elite The Jazzy Select Elite delivers a potent blend of power, performance and style. In-line, front-wheel drive technology gives the Elite excellent stability and maneuverability for solid performance indoors and out. Jazzy Select Elite Features Jazzy includes shroud and controller guards to protect against daily wear and tear. Red or blue color-through shroud. Black high-back seat with removable, replaceable back and seat covers. Dual-layer powder coated frame for increased durability. Larger foot platform. 40 amp, PG GC 3 controller. Built with ease of service in mind. Jazzy Select Elite Specifications Weight Capacity: 300 lbs. Turning Radius: 24.75" Width: 22.75" Length: 34.75" Maximum Speed Up to 4 mph Ground Clearance: 1.5" Front Wheels: 3" solid anti-tips Drive Wheels: 9" solid Rear Wheels: 6" solid casters Drivetrain: Two-motor, in-line, front-wheel drive Braking System Regenerative and electro-mechanical Suspension Type Limited High-Back Seating: 20"W x 20"D (max. dimensions) High-Back Seat-to-Floor Range: 21.5" - 23.5" Specialty Seating: 20"W x 20"D (max. dimensions) Specialty Seat-to-Floor Range: 16.5" - 18.5" Synergy Seating 20"W x 20"D (max. dimensions) Synergy Seat-to-Floor Range 17.25" - 19.25" Standard Electronics: 40A, PG GC3 Battery Size: 12 volt, U-1 (2 required) Standard Battery Charger: 3A, off-board Per-Charge Range Up to 15 miles Battery Weight: 24.5 lbs. each Base Weight: 68.5 lbs. Standard Seat Weight: 43 lbs. (comfort, high-back) Standard Seat Size: 18" x 18"-20"
wheelchairindia9

J6 Power Wheelchair - 0 views

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    J6 Power Wheelchair The compact J6 is the ultimate choice for users who demand the superb stability of Mid-Wheel 6 design and tight-quarter maneuverability. Highly adaptable, the J6 accepts a wide range of seating and electronics options while its powerful drive train delivers high-performance torque. J6 Power Wheelchair Features: Mid-Wheel 6 allows six wheels on the ground for maximum stability. Compatible with TRU-Balance Tilt. OMNI-Casters (nylon, spherical-shaped casters) on front and rear prevent wheel hang-ups. Side-mounted, easily accessible freewheel levers. ATX Suspension (Active-Trac with extra stability) incorporates front OMNI-Casters for enhanced. Performance over more varied terrain. Easy front access to batteries. J6 Power Wheelchair Specifications: Drive Wheels: 10" Solid Optional: 10" Pneumatic Caster Wheels Front: 5" Solid Rear: 6" Solid Anti-Tip Wheels N/A Maximum Speed^4/^: Up to 4 mph Ground Clearance: 2.5" (frame) Turning Radius^5/^: 22" Overall Length: 34.74" without foot riggings Base Width: 23.19" Seating Sizes: TRU-Balance® 2 Synergy/Static: W: 10-20" D: 10-20" Power Tilt: W: 14-20" D: 14-20" Lift & Tilt: N/A Seat-to-Floor Heights: TRU-Balance® 2 Synergy/Static8: 16.5" - 17.5" Power Tilt8: 16.875" Lift & Tilt8: N/A Manual Tilt/Recline^10/^: Yes Battery Size^6/^: U-1 Battery Weight^14/^: 23.4 lbs. Available Electronics^12/^: 70A Q-Logic 2 NE 70A Q-Logic 2 NE+ 70A Q-Logic 2 EX Battery Charger 5A Off-board Motor Packages 2-Pole 4 mph Weight Capacity^7/^: 300 lbs.9 Base Weight: 100.2 lbs
wheelchairindia9

Tynor PUF Liner Skin Traction Set - 0 views

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    Tynor PUF Liner Skin Traction Set Skin traction Set (PUF liner) is used for providing indirect traction to leg or the arm to reduce fractures, skeletal deformities, muscle contractures, muscle spasms, pressure on nerves or regain normal length and alignment of involved bone. Hypoallergenic. Extra porous. Controlled adhesion and friction. Extra comfortable. Tynor PUF Liner Skin Traction Set Features Available as Complete Kit Convenient for emergencies Cost effective High performance Inbuilt cord, Quick to apply Foam liner and Bandage High performance crepe bandage for extra security Enhanced skin friction of the foam liner Easy application and removal Measure distance from knee to foot. Cut Liners for accurate use
spineneuro

Spine And Neuro Surgery Hospital India: Dr. Paresh Doshi Adding More to Life Through Ex... - 0 views

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    As a neurosurgeon, Dr. Paresh Doshi has performed many lifesaving surgeries to remove brain tumors and blood clots. Recently he has performed a unique deep brain stimulation (DBS) surgical treatment using a complicated auto-sensing device (percept computer) for controlling the signs and symptoms of Parkinson's disease of a forty two-years-old patient, a scientist from Ahmedabad. For Appointment Email: dr.pareshdoshi@neurospinehospital.com Phone No.: +91-9325887033
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