Traditionally neglected by most grappling arts, striking on the ground is an important aspect of ground fighting. Typically, a top position is better for various strikes than a bottom position, simply because the combatant in the top position can generate the distance and movement needed for effective strikes, while the bottom combatant is restricted by the ground and by the combatant on top. Another factor is gravity, which is in favor of the top combatant when they are striking downwards. In addition, the effect of ground strikes may be amplified, depending on the area struck, by the strike driving the opponent into the ground. The types of strikes that can be employed effectively depend on the particular grappling position. Common strikes include elbows, headbutts, knees and punches.[3]
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Although the guard is generally considered an advantageous position in pure grappling, punches can be very effective from the top.