The average human can lift things that weigh much more than their bodyweight if they train to do so. If a normal, otherwise-healthy person with a healthy body composition (not overly fat) canât lift at least half their bodyweight they are simply weak and need strength training.
Mild traumatic brain injury. The signs and symptoms of mild traumatic brain injury may include: Physical symptoms. Loss of consciousness for a few seconds to a few minutes. No loss of consciousness, but a state of being dazed, confused or disoriented. Headache. Nausea or vomiting. Fatigue or drowsiness.
Signs and symptoms of a concussion may include: 1  Headache or a feeling of pressure in the head. 2  Temporary loss of consciousness. 3  Confusion or feeling as if in a fog.4  Amnesia surrounding the traumatic event. 5  Dizziness or seeing stars. 6  Ringing in the ears. 7  Nausea.igns and symptoms of a concussion may include: 1  Headache or a feeling of pressure in the head. 2  Temporary loss of consciousness. 3  Confusion or feeling as if in a fog. 4  Amnesia surrounding the traumatic event. 5  Dizziness or seeing stars.