Principle of Aiki and its Application in Aikido and Aikijujutsu

Principle of Aiki and its Application in Aikido and Aikijujutsu

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Katsuyuki Kondo

Daito-ryus Kurumadaoshi Battlefield technique adapted to dojo

The application of Aiki in the techniques demonstrated by Katsuyuki Kondo is analysed below.

Analysis

At a time of 1.52 Uke attacks with yokomenuchi. Tori induces Uke to apply Aiki by applying an atemi to Uke's carotid artery as he blocks the attack. To minimise the impact of the atemi, Uke reverses the muscle torque about the knee joint of his rear leg causing him to become unbalanced to the rear by the contact reaction force due to the block. Aiki-Lead

Aiki is applied in the same way when the atemi is to the solar plexus.

Amazing Techniques of Daito-ryu Aikijujutsu!

The application of Aiki in the techniques demonstrated by Katsuyuki Kondo is analysed below.

Analysis

At a time of 0.40 Uke attacks with shomenuchi after grabbing Tori. Tori induces Uke to apply Aiki by applying pressure with his thumb to a nerve above the elbow as he blocks the shomenuchi at the beginning of the forward movement. To minimise the pain at the pressure point, Uke reverses the muscle torque about the knee joint of his rear leg causing him to become unbalanced to the rear by the contact reaction force due to the block. Aiki-Lead

Analysis

At a time of 1.09 Tori extends his arms towards Uke as Uke steps forward to grab Tori's arms. At the moment that Uke closes his grip, Tori induces Uke to apply Aiki by withdrawing his arms. This action causes Uke to follow Tori's arms by reversing the muscle torque about the ankle joint of his front foot. Consequently, Uke is unbalanced to the front by his forward momentum. Aiki-Feint

Katsuyuki Kondo, Daito-ryu Aikijujutsu, part 6

The application of Aiki in the techniques demonstrated by Katsuyuki Kondo is analysed below.

Analysis

At a time of 4.32 Tori extends his left arm towards Uke as Uke steps forward to grab Tori's left arm. At the moment that Uke closes his grip, Tori induces Uke to apply Aiki by withdrawing his arms. This action causes Uke to follow Tori's arms by reversing the muscle torque about the ankle joint of his front foot. Consequently, Uke is unbalanced to the front by his forward momentum. Aiki-Feint

Analysis

At a time of 5.50 Uke steps forward to grab Tori's jacket. At the moment that Uke closes his grip, Tori induces Uke to apply Aiki by applying an upward atemi to Uke's upper body. This action causes Uke to reverse the muscle torque about the ankle joint of his front foot so as to minimise the impact of the atemi by rotating his hips forward to increase the height of his upper body. Consequently, Uke is unbalanced to the front by his forward momentum. Aiki-Feint