The Sabin Lock is the fourth lock in a four parallel lock complex. The north canal services the Sabin and Davis Locks and has a minimum maintained depth of 24.0 feet upstream and 23.5 feet downstream of the locks. The normal upper pool for the Sabin Lock is elevation 601.3 ft (IGLD 85) and the normal lower pool is elevation 580.8 ft (IGLD 85).
Lying Butt Bridge â Butt Exercise Guide with Photos. Muscles Targeted: The lying butt bridge targets the muscles in the gluteus and also works muscles in the lower back, hamstrings and along the spine. This is also a great exercise for stretching out the hip flexors and abdominals which can become tight from sitting for long periods of time.
A man is does a dumbbell pullover at the gym. Photo Credit Click_and_Photo/iStock/Getty Images. Dumbbell pullovers are a bit of an exercise anomaly in that they work two opposing muscles simultaneously: the chest and the back muscles.The chest muscles are the primary movers, but several muscles of the back assist during the movement.econdary Movers. The latissimus dorsi, which is a large back muscle that fans out from your upper arm bone to your spine and then extends down to your hip bone, assists during the pullover exercise. Several other muscles, including the rhomboids, rear delts and triceps, are also involved as secondary movers.