Which muscles groups are most involved during a lunge

Jake used to go surfing with his friends several times each week recently he has been spending a lot of time playing computer games what do you predict will be result of this change

Which of the following is a major cause of injury

David, an aspiring baseball player, was struck on the left side of his face with a fastball pitch. he was not wearing a safety helmet. his zygomatic arch was crushed, as well as parts of the temporal bone. following the accident and reconstructive surgery, he noted that his left lower eyelid was still drooping and the corner of his mouth sagged. what nerve damage did he sustain?