Thursday 3 May 2007

Enter and pivot.

Wednesday night there were only four of us in the dojo, so we had a lot more time to devote to some basic principles. Two fundamental parts of Aikido are the enter (iremi: 入れ身) and pivot (tenkan : 転換), when combined with a sliding step (sabaki : 捌き) they can put you in any corner of the dojo, or more importantly into the best position against any opponent.

Iremi 入れ身
Keeping the centre of gravity low in a half forward stance (hanmihandachi: 半身半立ち), and being aware of the distance between you and your opponent (maai : 間合い) drive forward with the front foot. As your opponent attacks you can easily rush in to meet them in a controlled way. Entering directly via the line of attack, you should be able to defuse that attack before it builds up any momentum. If you commit yourself to entering the opponents space there is no need to fear any attack, empty handed or otherwise.

We practiced this against a stabbing attack (tsuki : 突き). If done correctly, the forward motion and a slight pivot of the hips, turn the waist and shoulders turn parallel to the line attack, putting you in a position of advantage behind the opponent.

Working against multiple opponents, adding the tenkan allows you to turn to face your next aggressor while maintaining your balance and advantage over the first opponent.

Tenkan 転換
Stepping forward with the hind foot, placing it in front of you perpendicular with the line of attack, put yourself on the blind side of your attacker. At the same time draw your rear foot around behind you in an arc, so that you have completed a turn anywhere between 90 and 360 degrees.

You should be now facing your opponent again in the half forward stance, ready to defend against the next attack. Against multiple opponents, the enter and pivot, combined with a sliding step is essential in avoiding harm.

Sabaki 捌き
Of course all of this is easier said than done. Rigidty and inflexibility is just as detrimental to proper execution as a light and floating centre of gravity. The sensei likened the movement of sabaki sometimes to a breath of wind, other times to a rushing wave.

Keeping the centre of gravity low, and driving forward while not allowing the body weight to lift in the slightest, gives Aikido it’s smooth and graceful appearance. It also acts as powerful leverage to get under or behind your opponent and lift them of the ground with a combination of rotating or angular defenses.

I`m looking forward to my next session tommorrow morning, I am going to focus on keeping my centre of gravity low and maintaing form. I still have a little way to go before a full recovery from my whiplash the week before last so I’ll also be hitting the ground as smoothly as possible.

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