I expect a green broke horse to be able to...
On the ground: Yield the forehand and hindquarters, back up, respect my space, lunge both directions, give to halter pressure, stand tied without dramatics, trailer load, accept having his whole body touched and lift all feet politely, accept saddling and bridling, be desensitized to the obvious "spookies" (bikes, plastic bags, ropes, etc), stand for vet and farrier.
In the saddle: Stand for mounting (with or without a block), give to bridle pressure the same as halter pressure, transition between each gait plus halt and back calmly and promptly, yield the forehand and hindquarters, and turn off of a subtle cue.
It doesn't have to be "pretty," but prompt and calm. I wouldn't expect a horse just being billed as "broke" to be able to change leads, sidepass, or neck rein yet, but the training that it does have ought to provide a solid foundation to build off of. Other bonuses that would push a horse to "very/well broke" IMHO would be basic leg yielding, shoulder fore, ground tying, simple lead changes, and some appreciable miles on the trail.
A stubborn horse walks behind you, an impatient one in front of you, but a noble companion walks beside you ~ Unknown
Last edited by Scoutrider; 03-30-2011 at 08:36 AM.