Definition of cofferdam - a watertight enclosure pumped dry to permit construction work below the waterline, as when building bridges or repairing a ship. Definition of cofferdam - a watertight enclosure pumped dry to permit construction work below the waterline, as when building bridges or repairing a ship.
Named Muscles. The specific primary muscles used in a deadlift are the erector spinae, gluteus maximus, quadriceps, hamstrings and adductors. The secondary or stabilizing muscles are the trapezius, rhomboids, flexors, extensors, serratus anterior, rectus abdominus, transverse abdominus, gluteus medius/minimus, soleus and the gastrocnemius.
it's expected to feel it / be sore in the upper back and traps and even a little soreness in the lower back. The target muscle of the deadlift is the erector spinae. You should feel it there more than anywhere else. if it's sharp pain in the lower back, then yeah it's a form issue and it's likely that you're lifting with your lower back