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clamped to the table. Bone nails were placed in the
tibia and femur (one each). These nails were firmly
attached to the base of the myograph. A turnbuckle
strut, placed between the lever-arm and one of the
bone nails prevented flexing of the lever-arm. The
muscle length was set 1-2 mm shorter than the length at
which developed tension was greatest (optimal length).
Optimal length was determined by measuring the developed
tension (total tension minus resting tension) of
contractions at (0.2/sec) at various lengths.