He regards the nonphysical aspects of ninjutsu as the key to a successful career.
One of the most interesting aspects of ninjutsu is or the number nine, is said to be the most important number in Kikkyo (esoteric Buddhism) and Shugendo (mountain asceticism).
At such times, it always paid off to have a few secrets in one’s bag of tricks that were not generally known to others.
The ninja underwent rigid training to learn ninjutsu techniques at secret camps, usually set up in the mountains.
This comprehensive style of fitness training is called conditioning, and it’s one of the benefits of cross-training.
Often when guys get injured in the gym, on the court, or on the field, it’s because they’re over doing a single activity.
With cross-training, it’s possible to gain muscle, lose fat, increase cardio-aerobic capacity and quicken your feet—all in a single workout.
The schools were scattered throughout central Japan, with most situated in Iga and Koga provinces.
Daily ninjutsu training focused on becoming adept in the use of the sword, bow and arrow, spear and Close attention was also paid to wall climbing, river crossing and the use of special devices. The late Seiko Fujita, who claimed to be the 14th master of the Koga school of ninjutsu, said ninja could walk the 350 miles between Edo (now Tokyo) and Osaka in three days.
To improve his walking speed and skill, a ninja practiced by leaning his body forward or to one side so he was forced to walk rapidly to maintain balance.
Ninjutsu training also included walking with (wooden sandals) on ice to achieve perfect waist balance and silent treading.