180-degree turn on the spot, without moving the feet (hip only); also called Tenkai.
Irimi-kaiten, Soto-kaiten-nage, Tenkan, Uchi-kaiten-nage
1. shoulder; 2. predetermined sequence of movements (practice form)
Breath power of impulse cry: sharp and loud yell to focus energy (usually when striking in an attack).
Basic aikido techniques (grading curriculum)
(Exercises for) connecting the ki between the partners
Standing up from kneeling position (seiza). This movement is practised to exercise posture, balance and focus.
Partner exercise: sword against sword
A comprehensive collection of instructive videos is available under Media > Basic Forms.