But it's that last part that can become a problem for many of us – with wall balls, hundreds of metres of lunges, carries and broad jumps, as well as an epic sled push and drag to be factored in, ...

Want to build muscle like a champion? Six-time Mr Olympia Chris Bumstead shares his top 10exercises to maximise muscle growth ...

All it experiences is the resistance it provides and the tension your muscles generate to move the load, to stimulate muscle ...