20 votes
Accepted

What is the sports bra looking thing soccer players wear?

They are performance trackers. They track a player's vital statistics (heart rate, etc) as well as their movement, their average speed, their distance covered, etc. As for the "bra-like" ...
GB11's user avatar
  • 699
14 votes
Accepted

Why do batsmen usually ask a fielder to tie their shoelaces?

It's just a matter of convenience. If a batsman has to tie his own shoelaces, he has to remove his gloves, and also look around his pads. Try wearing pads, kneeling down, and tying your shoelaces. ...
ʀᴇᴅ_ᴅᴇᴠɪʟ226's user avatar
14 votes
Accepted

Are the gender differences in Olympic uniforms simply a style choice? Whose choice?

The precise rules for clothing are published by the international sport federations (FIVB for Beach Volleyball, FIG for gymnastics, FINA for Swimming etc.). Typically, they consist of basic rules ...
phihag's user avatar
  • 2,233
14 votes

What is the sports bra looking thing soccer players wear?

GB11's answer summarized it well what are the tracking devices. From the YouTube page of GPSSports Systems you can see that what Zlatan wears is called GPSports SPI HPU tracking device, which ...
gdrt's user avatar
  • 5,864
13 votes

How can I prevent football/soccer net theft?

In general, the "anti-vandal" or "anti-theft" refers to the goal frames themselves, rather than the nets; there's very little you can do if someone is actually out to vandalise the net with a big pair ...
Philip Kendall's user avatar
  • 24.4k
12 votes
Accepted

Usage of unusual characters in sports shirts

The FIFA equipment regulations mandate: 7.6 The letters used for the Player’s name must be (...) Latin characters. Phonological diaeresis, such as accents or umlauts, are permitted. So the answer ...
phihag's user avatar
  • 2,233
11 votes

Are FIFA World Cup balls chargeable?

Yes, the balls do need charging for an internal energy source (i.e. a battery). This battery is what powers some of the electronics and sensor equipment inside the ball, and of course the radio ...
Nij's user avatar
  • 8,015
10 votes

How can I prevent football/soccer net theft?

I can suggest you one of those three solutions: use it without net except during official games, on these occasions you should assemble and dismantle the net with a consequent loss of time add wheels ...
Ale's user avatar
  • 9,352
9 votes
Accepted

Is there a regulation about the shape of the posts of a football goal?

As with much of this stuff, this is explicitly covered in the Laws of the Game. In this case, Law 1 The Field of Play, Goalposts (page 9): The goalposts and crossbar [...] must be square, ...
Philip Kendall's user avatar
  • 24.4k
8 votes
Accepted

What do the referees check when controlling the shoes of football players?

The check at the start of the game is a simple safety check. There are no specific rules governing types of footwear except that they "should not be dangerous". In practice this means that the ref ...
Niall's user avatar
  • 772
7 votes
Accepted

What happens if a player loses a shoe during a football match?

Generally, footwear is a part of the basic compulsory equipment, i.e. no player can play barefoot: The basic compulsory equipment of a player comprises the following separate items: […] ...
Mormegil's user avatar
  • 3,466
7 votes

When do teams wear their away jerseys at international level?

The FIFA Equipment Regulations state (Article 65): In the event that, in the opinion of the referee or Match Commissioner, the Playing Equipment of the two opposing teams is not clearly ...
Philip Kendall's user avatar
  • 24.4k
7 votes
Accepted

Why did baseball players start wearing gloves but cricket players not?

Regarding 1. Why didn't cricket players ever start wearing gloves? I focused on why baseball players began to wear gloves, because it is a much more answerable question, and can be used to ...
ckett's user avatar
  • 407
6 votes

Why do some soccer players wear small shin guards?

Shinguards came about because soccer used to be played literally with boots, big huge things, and the preferred method of kicking the ball was with the toe. If you missed, you kicked the shins. That ...
john k's user avatar
  • 161
6 votes
Accepted

How do I make my table tennis paddle's rubber less sticky?

I realize this is an older question, but I think my answer might be useful to other people with the same or similar questions. Anti-spin rubber can take the spinniest of serves and return it ...
Bill Hileman's user avatar
6 votes
Accepted

Are LED stumps allowed by the Laws of Cricket?

This is allowed by the playing conditions for the specific matches. For example, see the 2016 World T20 regulations: 8.2 [...] The use of LED wickets is permitted.
Philip Kendall's user avatar
  • 24.4k
6 votes

When do teams wear their away jerseys at international level?

In addition to Philip Kendall's answer, just considering the France part: Altough France is hosting the European Championship, that does not mean they are always considered the home team. If you ...
Don_Biglia's user avatar
  • 1,318
6 votes

Pool table sizes and minimum play area

TL;DR: Your room is too small to allow you to easily play pool. These are the table dimensions and their respective recommended room dimensions: Biliards and table bowls 260cm x 130cm table ...
Ale's user avatar
  • 9,352
6 votes
Accepted

Why do curlers have a stopwatch?

I think you are seeing them stop, not start the stopwatch. They are timing how long it takes from the back line to the first hog line. This time can be compared to previous throws to see if the rock ...
BowlOfRed's user avatar
  • 6,596
6 votes

How do I pick the right football size for my children?

US Soccer has a handy chart: Above the ages in this chart, use size 5.
bstpierre's user avatar
  • 161
5 votes

How do the leading makes of red cricket ball vary in performance?

As far as red ball cricket (First Class, Tests - rarely List-A or T20) goes, SG, Duke (called "the cherry" informally due to smaller size and dark red color) and Kookaburra are the three widely used ...
skrowten_hermit's user avatar
5 votes

Dealing with excessive sweat in the hands while playing squash

I coach high school squash and run into this occasionally. The most common thing players do is to wipe their hands along the sole of their shoe, much like you'll see basketball players doing ...
nitsua60's user avatar
  • 203
5 votes
Accepted

What is this training device used by Vasyl Lomachenko called?

It is a Sports Vision Trainer (SVT): The SVTs come in different sizes and Lomachenko uses the smaller one with 32 lights. They also have the picture of him using it on their website.
dly's user avatar
  • 5,312
5 votes
Accepted

What are rifle specifications in Biathlon?

The rifles used are .22LR, a 130-year-old cartridge design that is the most sold type in the world, designated as the only acceptable round for Olympic shooting competition of any kind. The rifles at ...
Nij's user avatar
  • 8,015
5 votes
Accepted

In Le Mans, what are the 3 lights on the side of the car?

These are apparently called "leader lights", and they indicate that the car is currently in the top three in its class. If you have one leader light on, you're currently 1st in your class; ...
F1Krazy's user avatar
  • 3,793
5 votes
Accepted

In F1, which tyre to start on if the "fastest time"-tyre is damaged?

Drivers who make it through to Q3 start the race on the set of tyres that they used to set their fastest time in Q2. All other divers have free choice of tyre compound to start the race on. Formula 1 -...
TheJulyPlot's user avatar
5 votes
Accepted

What are these Badminton umpire equipment?

These are prosaically called Service Height Measuring Device. From the laws of badminton: §9.1.6 In a correct service, the whole shuttle shall be below 1.15 metres from the surface of the court at ...
phihag's user avatar
  • 2,233
4 votes

How many balls are used in a typical World Cup game?

This article from The Guardian says that: In total 3,240 balls were used throughout the tournament (2014 FIFA World Cup Brazil), 20 for each match Generally, FIFA Laws of the Game Law 02 - The ...
gdrt's user avatar
  • 5,864
4 votes

Why are woodbats preferred to train with over aluminum bats?

A reason to use a bat with a smaller sweet spot during practice is to train your accuracy. A lot of training revolves around optimizing your technique. Hitting with a wooden bat requires better ...
Yousend's user avatar
  • 785

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