What is the test for an inmate to bring a claim under the Eighth Amendment against cruel and unusual punishment?

Claims brought under the Eighth Amendment's prohibition against cruel and unusual punishment must be include allegations that the harm inflicted wasobjectivelysufficiently serious, and that the defendant(s) actedsubjectivelywith deliberate indifference to plaintiff's health or safety. See Farmer v. Brennan, 511 U.S. 825, 834 (1994). Additionally, plaintiff is required by statute to show physical injury; mental or emotional injury is not adequate for an inmate to state a claim under the Eighth Amendment. See 42 U.S.C. 1997e(e).