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.
Here's what you need to know... 1  Higher-rep sets of deadlifts can build endurance and burn fat. 2  Deadlifts won't thicken the waist. 3  Deadlifts lessen some of the negative effects that come with high heels and bad posture.  The deadlift is a foundational movement that will help with more advanced training like Olympic lifts.