Abstract: A clamping system and method of clamping a rod includes a single knob coupled to a control screw. The single knob can increase or decrease a clamping force on the control screw. A clamp housing includes a control screw channel, wherein the control screw is disposed in the screw channel. A rod channel is capable of receiving a rod. A cleat channel extends into the rod channel. A cleat block has a clamping surface capable of entering at least a portion of the rod channel as the clamping force is increased on the cleat block.

Abstract: A system comprising a resource of programs, a platform operated by a system developer for providing access to the resource of programs, an administrative interface for use by an administrator for interfacing with the platform, a site coordinator interface for use by a site coordinator for interfacing with the platform, and a participant interface for use by participants of the particular program for interfacing with the platform.