We promise these are all genuine pictures of a legitimate Olympic sport

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Greco-Roman wrestling has featured in the Olympics since 1896 and is billed by the IOC as "arguably the oldest competitive sport in the world".

In this type of wrestling, the competitors use only their arms and upper bodies to attack, and can only hold those same parts of their opponents.

But even with that description in mind, the sport certainly leads to a few somewhat unusual action shots.

1. The "catching a bit of shut-eye" move

United States' Robert Timothy David Smith competes in Greco-Roman wrestling (Markus Schreiber/AP)
(Markus Schreiber/AP)

2. This is the opposite of getting some shut-eye

Russia's Davit Chakvetadze and Ukraine's Zhan Beleniuk compete in Greco-Roman wrestling at Rio 2016 (Charlie Riedel/AP)
(Charlie Riedel/AP)

3. Having your back sniffed means you are probably losing

Egypt's Ahmed Mohamed Ibrahim Saad and Bulgaria's Nikolay Nikolaev Bayryakov compete in Greco-Roman wrestling at Rio 2016 Olympics (Charlie Riedel/AP)
(Charlie Riedel/AP)

4. The "I've got you now" position and accompanying smile

Turkey's Riza Kayaalp competes against Germany's Eduard Popp in Greco-Roman wrestling at the Rio 2016 Olympics (Charlie Riedel/AP)
(Charlie Riedel/AP)

5. The "don't worry I won't squeeze too hard" grip

United States' Andrew Thomas Bisek competes against Croatia's Bozo Starcevic in Greco-Roman wrestling at Rio 2016 Olympics (Markus Schreiber/AP)
(Markus Schreiber/AP)

6. The "very unwilling dance partner" hold

Bulgaria's Nikolay Nikolaev Bayryakov competes against Belarus's Javid Hamzatau in the Greco-Roman wrestling at Rio 2016 Olympics (Markus Schreiber/AP)
(Markus Schreiber/AP)

7. Even wrestling medal-winning celebrations look a lot like wrestling moves

Stig-Andre Berge of Norway celebrates after winning bronze in the 59kg Greco-Roman wrestling at Rio 2016 Olympics (Robert F. Bukaty/AP)
(Robert F. Bukaty/AP)