Purr-minator! Pet cat flexes muscles on sofa

Intense cramps cause hiker's calf to twitch like spiders crawling under skin

Extreme Thai massage uses loin cloth to pull and stretch muscles

ASMR Thai hammer massage uses wooden mallet to relax muscles

'Brazilian Hulk' who injected OIL to make muscles larger dies aged 55

Thai Female bodybuilder explains how to tone leg muscles with squats

Russian military flexes muscles with display of artillery, air combat and tanks