"Used every muscle" is an expression used to describe an intense physical effort during an activity, indicating that all the muscles in one's body have been exerted and engaged to their maximum capacity. This phrase signifies the utilization of every muscle group available in order to perform a specific action or task.
In a literal sense, "used every muscle" implies that an individual has made extensive use of their skeletal muscles, which are responsible for bodily movements. These muscles include those in the arms, legs, back, abdomen, and even smaller muscles such as those found in the hands and feet. When someone exerts every muscle during an activity, it often indicates that they have exerted themselves to their limits, pushing their physical capabilities to the fullest.
This phrase can be applied to a wide range of physical endeavors, such as intense workouts, demanding sports, laborious tasks, or physically challenging jobs. It suggests that the person has put in tremendous effort and energy to complete the activity, possibly leading to fatigue, soreness, or muscle soreness afterward.
Overall, "used every muscle" expresses the idea that an individual has engaged and activated all available muscles in their body, implying a high level of physical exertion and commitment to the task at hand.
