Spinal reflex thresholds as related to mechanical stresses and aging.
D000375:Aging; D000818:Animals; D004285:Dogs; D004558:Electric Stimulation; D009119:Muscle Contraction; D012018:Reflex / Q000502:physiology*; D013116:Spinal Cord / Q000502:physiology*; D013904:Thoracic Vertebrae / Q000294:innervation