Self-Defense - MMA - Spinning Back Kick
Human Weapon: This video tutorials teaches you the Spinning Back Kick.

Self-Defense - TaeKwonDo - Rear Horse Kick
Human Weapon: This video tutorial shows you how to do a Rear Horse Kick Technique

Self-Defense Sambo - Leg Sweep
Human Weapon video tutorial: Leg Sweep or leg trip refers to a technique in which the combatant performing the leg trip uses his or her own leg(s) to off-balance an opponent, hence causing the opponent to fall to the ground.