Figure 4. Motor unit integrity measures of mTBI (**p<0.01).
A) Representative tracings of Electromyography Abnormality Scoring used in the current study B) Electromyography of hind limb muscles indicate significant abnormality in the form of denervation potentials at all time points tested post-injury. C) Changes in muscle mass at 4 months post-injury D) Muscle mass normalized to body weight.