Once upon a time, health professionals seemed to be in agreement that body mass index (BMI) was the surest way to measure someone's health. But in recent years, this has been challenged by scientists who suggest that the test is outdated, throws up anomalies and hence should be ignored. We spoke to Tom Woolf, a former professional rugby player and the founder of PTX Performance Training in Dubai, about which system is the truest gauge of one's health.
BMI
What it is A measurement computed by taking one's mass in kilograms and dividing it by the square of one's height in metres. From this, 18.5 is considered underweight, between 18.5 and 24.9 is normal, 25 to 29.9 is overweight and 30 or more is clinically obese.
Pros It's simple to calculate, meaning anyone with a set of scales, a tape measure and calculator can figure it out.
Cons Tom Woolf explains: "Under the system, someone like [the former England rugby union player] Jonny Wilkinson would be deemed clinically obese because of his height to weight ratio and his bone and muscle density. Muscle is a lot denser than fat, so someone who has a lot of muscle can be heavy, even though they're extremely fit, so clearly [BMI] throws up a number of anomalies."
Body composition analysis
What it is Usually conducted with a modern, bioelectronic machine that forces a weak electric current through your body to reveal your fat content, bone density, muscle mass and water levels.
Pros It enables you to work out the exact proportion of various elements in the body, so it's a lot more accurate than BMI. "We use it when people are coming to us to get fitter, rather than just measuring absolute weight or BMI, as we can see exactly how our programmes are affecting them," says Woolf.
Cons "It is prone to a number of anomalies," says Woolf. "Someone like a sumo wrestler or a professional rugby prop forward are big, roly-poly guys with high fat content, but will score very highly in fitness tests, and probably be in the top one percentile globally."
Heart rate
What it is This is measured in one of two ways. First, as a resting heart rate, in which a lower result indicates a much stronger cardiac muscle, hence a better metabolic rate. A rate of between 60 and 90 beats per minute is considered normal, while elite athletes may register between 40 and 60 beats per minute. Second, as recovery, in which your heart's beats per minute are measured for a fixed period (usually one minute) after ceasing activity. The closer it is to one's pre-exercise heart rate, the fitter you are.
Pros "It's a very good indicator of aerobic capacity," says Woolf. "If someone is getting fitter, then both resting heart rate and recovery heart rate should decrease over time."
Cons "We find that it's not always accurate, as different climates can have different results on people. For example, someone who is from a European, cold environment who's not used to the climatic conditions over here would have a faster heart rate," says Woolf.
Waist-to-hip ratio
What it is A fitness measurement that's worked out by dividing the narrowest point of your waist by the widest point of your hips. According to some scientists, a ratio of 0.7 - or a waist measurement that is exactly 70 per cent of the hip circumference - is the ultimate goal for women.
Pros All you need is a tape measure and a calculator. For women, it takes into account that some voluptuous women may still be healthy, even though they have a comparatively high percentage of body fat.
Cons "We wouldn't use this as it's very reliant on genetic factors," says Woolf. "People store fat in different parts of their body, so it can skew the results in different ways. These are good for health practitioners to ascertain whether there will be longer-term risks, but they're not a good indicator of fitness."
VO2 Max test
What it is An analysis to ascertain the maximum amount of oxygen, in millimetres, one can use in a minute per kilogram of body weight. Those with high results can use oxygen more efficiently and thus exercise more intensely than those who are out of shape. Your average, untrained, young person will have a VO2 Max in the 40s, while an elite endurance athlete may record results in the 80s. Measuring VO2 Max accurately requires an all-out effort (usually on a treadmill or bicycle) with special breathing measurement equipment in a sports performance lab.
Pros It's a very scientific indicator of a person's aerobic capacity.
Cons Accurate results require a lab full of expensive equipment. Also, it fails to take into account the subject's strength. "We use this test to measure aerobic capacity," says Woolf, "but we also measure anaerobic capacity and strength. You need to take into account all of these when working out someone's fitness levels."
At Eternity’s Gate
Director: Julian Schnabel
Starring: Willem Dafoe, Oscar Isaacs, Mads Mikkelsen
Three stars
Company%20Profile
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APPLE IPAD MINI (A17 PRO)
Display: 21cm Liquid Retina Display, 2266 x 1488, 326ppi, 500 nits
Chip: Apple A17 Pro, 6-core CPU, 5-core GPU, 16-core Neural Engine
Storage: 128/256/512GB
Main camera: 12MP wide, f/1.8, digital zoom up to 5x, Smart HDR 4
Front camera: 12MP ultra-wide, f/2.4, Smart HDR 4, full-HD @ 25/30/60fps
Biometrics: Touch ID, Face ID
Colours: Blue, purple, space grey, starlight
In the box: iPad mini, USB-C cable, 20W USB-C power adapter
Price: From Dh2,099
RESULT
Manchester United 1 Brighton and Hove Albion 0
Man United: Dunk (66' og)
Man of the Match: Shane Duffy (Brighton)
MATCH INFO
England 19 (Try: Tuilagi; Cons: Farrell; Pens: Ford (4)
New Zealand 7 (Try: Savea; Con: Mo'unga)
At a glance
- 20,000 new jobs for Emiratis over three years
- Dh300 million set aside to train 18,000 jobseekers in new skills
- Managerial jobs in government restricted to Emiratis
- Emiratis to get priority for 160 types of job in private sector
- Portion of VAT revenues will fund more graduate programmes
- 8,000 Emirati graduates to do 6-12 month replacements in public or private sector on a Dh10,000 monthly wage - 40 per cent of which will be paid by government
Singham Again
Director: Rohit Shetty
Stars: Ajay Devgn, Kareena Kapoor Khan, Ranveer Singh, Akshay Kumar, Tiger Shroff, Deepika Padukone
Rating: 3/5
Cricket World Cup League 2
UAE squad
Rahul Chopra (captain), Aayan Afzal Khan, Ali Naseer, Aryansh Sharma, Basil Hameed, Dhruv Parashar, Junaid Siddique, Muhammad Farooq, Muhammad Jawadullah, Muhammad Waseem, Omid Rahman, Rahul Bhatia, Tanish Suri, Vishnu Sukumaran, Vriitya Aravind
Fixtures
Friday, November 1 – Oman v UAE
Sunday, November 3 – UAE v Netherlands
Thursday, November 7 – UAE v Oman
Saturday, November 9 – Netherlands v UAE
UEFA CHAMPIONS LEAGUE FIXTURES
All kick-off times 10.45pm UAE ( 4 GMT) unless stated
Tuesday
Sevilla v Maribor
Spartak Moscow v Liverpool
Manchester City v Shakhtar Donetsk
Napoli v Feyenoord
Besiktas v RB Leipzig
Monaco v Porto
Apoel Nicosia v Tottenham Hotspur
Borussia Dortmund v Real Madrid
Wednesday
Basel v Benfica
CSKA Moscow Manchester United
Paris Saint-Germain v Bayern Munich
Anderlecht v Celtic
Qarabag v Roma (8pm)
Atletico Madrid v Chelsea
Juventus v Olympiakos
Sporting Lisbon v Barcelona
The specs
Engine: 1.5-litre turbo
Power: 181hp
Torque: 230Nm
Transmission: 6-speed automatic
Starting price: Dh79,000
On sale: Now
Company%20Profile
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A Bad Moms Christmas
Dir: John Lucas and Scott Moore
Starring: Mila Kunis, Kathryn Hahn, Kristen Bell, Susan Sarandon, Christine Baranski, Cheryl Hines
Two stars
How tumultuous protests grew
- A fuel tax protest by French drivers appealed to wider anti-government sentiment
- Unlike previous French demonstrations there was no trade union or organised movement involved
- Demonstrators responded to online petitions and flooded squares to block traffic
- At its height there were almost 300,000 on the streets in support
- Named after the high visibility jackets that drivers must keep in cars
- Clashes soon turned violent as thousands fought with police at cordons
- An estimated two dozen people lost eyes and many others were admitted to hospital
BIOSAFETY LABS SECURITY LEVELS
Biosafety Level 1
The lowest safety level. These labs work with viruses that are minimal risk to humans.
Hand washing is required on entry and exit and potentially infectious material decontaminated with bleach before thrown away.
Must have a lock. Access limited. Lab does not need to be isolated from other buildings.
Used as teaching spaces.
Study microorganisms such as Staphylococcus which causes food poisoning.
Biosafety Level 2
These labs deal with pathogens that can be harmful to people and the environment such as Hepatitis, HIV and salmonella.
Working in Level 2 requires special training in handling pathogenic agents.
Extra safety and security precautions are taken in addition to those at Level 1
Biosafety Level 3
These labs contain material that can be lethal if inhaled. This includes SARS coronavirus, MERS, and yellow fever.
Significant extra precautions are taken with staff given specific immunisations when dealing with certain diseases.
Infectious material is examined in a biological safety cabinet.
Personnel must wear protective gowns that must be discarded or decontaminated after use.
Strict safety and handling procedures are in place. There must be double entrances to the building and they must contain self-closing doors to reduce risk of pathogen aerosols escaping.
Windows must be sealed. Air from must be filtered before it can be recirculated.
Biosafety Level 4
The highest level for biosafety precautions. Scientist work with highly dangerous diseases that have no vaccine or cure.
All material must be decontaminated.
Personnel must wear a positive pressure suit for protection. On leaving the lab this must pass through decontamination shower before they have a personal shower.
Entry is severely restricted to trained and authorised personnel. All entries are recorded.
Entrance must be via airlocks.
MATCH INFO
Uefa Champions League semi-final, first leg
Tottenham 0-1 Ajax, Tuesday
Second leg
Ajax v Tottenham, Wednesday, May 8, 11pm
Game is on BeIN Sports
Premier League results
Saturday
Crystal Palace 1 Brighton & Hove Albion 2
Cardiff City 2 West Ham United 0
Huddersfield Town 0 Bournemouth 2
Leicester City 3 Fulham 1
Newcastle United 3 Everton 2
Southampton 2 Tottenham Hotspur 1
Manchester City 3 Watford 1
Sunday
Liverpool 4 Burnley 2
Chelsea 1 Wolverhampton Wanderers 1
Arsenal 2 Manchester United 0
COMPANY PROFILE
Name: Almnssa
Started: August 2020
Founder: Areej Selmi
Based: Gaza
Sectors: Internet, e-commerce
Investments: Grants/private funding
COMPANY%20PROFILE%20
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The specs
Engine: 1.5-litre 4-cylinder petrol
Power: 154bhp
Torque: 250Nm
Transmission: 7-speed automatic with 8-speed sports option
Price: From Dh79,600
On sale: Now
Results
5pm: Maiden (PA) Dh80,000 (Turf) 1,600m; Winner: Aahid Al Khalediah II, Pat Cosgrave (jockey), Helal Al Alawi (trainer)
5.30pm: Handicap (PA) Dh80,000 (T) 2,200m; Winner: Whistle, Harry Bentley, Abdallah Al Hammadi
6pm: Wathba Stallions Cup - Maiden (PA) Dh70,000 (T) 1,600m; Winner: Alsaied, Szczepan Mazur, Ibrahim Al Hadhrami
6.30pm: Emirates Fillies Classic – Prestige (PA) Dh100,000 (T) 1,600m; Winner: Mumayaza, Antonio Fresu, Eric Lemartinel
7pm: Emirates Colts Classic – Prestige (PA) Dh100,000 (T) 1,600m; Winner: Hameem, Adrie de Vries, Abdallah Al Hammadi
7.30pm: President’s Cup – Group 1 (PA) Dh2,500,000 (T) 2,200m; Winner: Somoud, Richard Mullen, Jean de Roualle
8pm: President’s Cup – Listed (TB) Dh380,000 (T) 1,400m; Winner: Medahim, Richard Mullen, Satish Seemar
Dubai Rugby Sevens
November 30, December 1-2
International Vets
Christina Noble Children’s Foundation fixtures
Thursday, November 30:
10.20am, Pitch 3, v 100 World Legends Project
1.20pm, Pitch 4, v Malta Marauders
Friday, December 1:
9am, Pitch 4, v SBA Pirates
Getting there
Flydubai flies direct from Dubai to Tbilisi from Dh1,025 return including taxes
Company%20profile
%3Cp%3E%3Cstrong%3ECompany%20name%3A%3C%2Fstrong%3E%20Fasset%0D%3Cbr%3E%3Cstrong%3EStarted%3A%20%3C%2Fstrong%3E2019%0D%3Cbr%3E%3Cstrong%3EFounders%3A%3C%2Fstrong%3E%20Mohammad%20Raafi%20Hossain%2C%20Daniel%20Ahmed%0D%3Cbr%3E%3Cstrong%3EBased%3A%3C%2Fstrong%3E%20Dubai%0D%3Cbr%3E%3Cstrong%3ESector%3A%20%3C%2Fstrong%3EFinTech%0D%3Cbr%3E%3Cstrong%3EInitial%20investment%3A%3C%2Fstrong%3E%20%242.45%20million%0D%3Cbr%3E%3Cstrong%3ECurrent%20number%20of%20staff%3A%3C%2Fstrong%3E%2086%0D%3Cbr%3E%3Cstrong%3EInvestment%20stage%3A%3C%2Fstrong%3E%20Pre-series%20B%0D%3Cbr%3E%3Cstrong%3EInvestors%3A%3C%2Fstrong%3E%20Investcorp%2C%20Liberty%20City%20Ventures%2C%20Fatima%20Gobi%20Ventures%2C%20Primal%20Capital%2C%20Wealthwell%20Ventures%2C%20FHS%20Capital%2C%20VN2%20Capital%2C%20local%20family%20offices%3C%2Fp%3E%0A
How to protect yourself when air quality drops
Install an air filter in your home.
Close your windows and turn on the AC.
Shower or bath after being outside.
Wear a face mask.
Stay indoors when conditions are particularly poor.
If driving, turn your engine off when stationary.
COMPANY%20PROFILE
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The%20pillars%20of%20the%20Dubai%20Metaverse%20Strategy
%3Cp%3EEncourage%20innovation%20in%20the%20metaverse%20field%20and%20boost%20economic%20contribution%3C%2Fp%3E%0A%3Cp%3EDevelop%20outstanding%20talents%20through%20education%20and%20training%3C%2Fp%3E%0A%3Cp%3EDevelop%20applications%20and%20the%20way%20they%20are%20used%20in%20Dubai's%20government%20institutions%3C%2Fp%3E%0A%3Cp%3EAdopt%2C%20expand%20and%20promote%20secure%20platforms%20globally%3C%2Fp%3E%0A%3Cp%3EDevelop%20the%20infrastructure%20and%20regulations%3C%2Fp%3E%0A
Fighter profiles
Gabrieli Pessanha (Brazil)
Reigning Abu Dhabi World Pro champion in the 95kg division, virtually unbeatable in her weight class. Known for her pressure game but also dangerous with her back on the mat.
Nathiely de Jesus, 23, (Brazil)
Two-time World Pro champion renowned for her aggressive game. She is tall and most feared by her opponents for both her triangles and arm-bar attacks.
Thamara Ferreira, 24, (Brazil)
Since her brown belt days, Ferreira has been dominating the 70kg, in both the World Pro and the Grand Slams. With a very aggressive game.
Samantha Cook, 32, (Britain)
One of the biggest talents coming out of Europe in recent times. She is known for a highly technical game and bringing her A game to the table as always.
Kendall Reusing, 22, (USA)
Another young gun ready to explode in the big leagues. The Californian resident is a powerhouse in the -95kg division. Her duels with Pessanha have been highlights in the Grand Slams.
Martina Gramenius, 32, (Sweden)
Already a two-time Grand Slam champion in the current season. Gramenius won golds in the 70kg, in both in Moscow and Tokyo, to earn a spot in the inaugural Queen of Mats.
COMPANY PROFILE
Name: Qyubic
Started: October 2023
Founder: Namrata Raina
Based: Dubai
Sector: E-commerce
Current number of staff: 10
Investment stage: Pre-seed
Initial investment: Undisclosed
How%20to%20avoid%20getting%20scammed
%3Cul%3E%0A%3Cli%3ENever%20click%20on%20links%20provided%20via%20app%20or%20SMS%2C%20even%20if%20they%20seem%20to%20come%20from%20authorised%20senders%20at%20first%20glance%3C%2Fli%3E%0A%3Cli%3EAlways%20double-check%20the%20authenticity%20of%20websites%3C%2Fli%3E%0A%3Cli%3EEnable%20Two-Factor%20Authentication%20(2FA)%20for%20all%20your%20working%20and%20personal%20services%3C%2Fli%3E%0A%3Cli%3EOnly%20use%20official%20links%20published%20by%20the%20respective%20entity%3C%2Fli%3E%0A%3Cli%3EDouble-check%20the%20web%20addresses%20to%20reduce%20exposure%20to%20fake%20sites%20created%20with%20domain%20names%20containing%20spelling%20errors%3C%2Fli%3E%0A%3C%2Ful%3E%0A
Brief scores:
Liverpool 3
Mane 24', Shaqiri 73', 80'
Manchester United 1
Lingard 33'
Man of the Match: Fabinho (Liverpool)