T- rex arm could be a sign of your nervous system is imbalance and getting weak. When your brain function is decreasing, your forearm, chest and hip flexor would get tight to protect you from harm, hence your forearm will curling up. Follow me to learn how to balance your brain. DM me for 1:1. Join my face book group for more detail, link in Bio !#trexarm #brainimbalance #nervoussystemimbalance #stuckstress #vagusnervehealing #unfreezenervoussystem #nervoussystemhealth #flightorfightmode #stress