Single repetition consists of 4 phases: bottom hold, positive phase, top hold, negative phase. (roughstrength.com)
These numbers are for a raw single repetition using the full range of motion. (getthisstrength.com)
This group speculated that a combination type program that included both low and high reps would be more effective than a periodized program consisting of single repetition scheme during each training period or phase. (trainingscience.net)