The study offers a classification of hold versions based on the theory of symmetry with application of a ground response force rate as the key hold execution effort rating criterion. Tests under the study found variations in the ground response force rates in the push-out hold versions versus the wrestlers` counter positions; and demonstrated that the symmetric/ identical counter positions claim much lower energy costs for the hold execution than any other position. It was also found that the mirror/ asymmetric counter positions (for the high versus low postures) require less energy for the hold execution. The proposed ground response force rating tests and analyses may be beneficial for further studies to classify the popular Greco-Roman wrestling holds by the counter postural symmetry and find the most advantageous primary positions for the holds.
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