Today I took the qualifying examination for the officially recognized "fitness instructor" course. The test had us complete a cooper test (running 2600 meters in less than 12 minutes) and some body-weight exercises (20 Pushups, 20 Crunches, 10 Pullups and a flexibility test). Also, each applicant had to present 5 strength exercises for each of three randomly chosen muscle groups. For me, that was "shoulders", "shin" and "hip flexors". Now maybe that's just me, but training the tibialis anterior for strength seems strange. I can't think of a sport (not even Muay Thai where you'd block a low-kick with the shin). I even question training the hip-flexors in an isolated way. Isolation training as a whole is a dubious concept for most trainees. Anyhow, as I was going to present handstand-pushups, divebombers etc. as a means of strengthening the shoulders, the examiner told me to show him isolation exercises with the dumbbells. So, I ended u...