EE was walking along rows of pallets counting super sacks when EE tripped on a pallet causing EE to stumble, injuring EE's right thigh. Injury occurred on 5/1/17, EE was seen for diagnostic reasons, returned to work and able to conduct all job functions. On 6/5/17 the EE started PT, constituting MSHA reportablitiy on this date. Employer was not made aware of the PT until 6/12/17.