Lihakseen
Lihakseen is the illative form of the Finnish noun lihas, meaning muscle. In Finnish grammar, the illative case expresses direction toward or into something, and lihakseen translates to into the muscle or toward the muscle. The form is used when an action or movement is directed at the muscle or when describing location inside or toward the muscle.
In everyday and technical language, lihakseen appears in sentences about injections, medical procedures, or muscular injuries.
Lihakseen is one of several illative forms in Finnish, a suffix-based system that marks destination or direction.