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.
The transversus abdominis is the deepest abdominal muscle. It sits below the oblique muscles. It acts as an abdominal support belt and plays a major role in maintaining posture. Most abdominal exercises involve the transversus abdominis; however, the transverse abdominal exercises below focus on it in particular.These exercises are excellent for improving core stability and strength and preventing lower back pain.he stability ball bridge is a stabilizing exercise that works the transversus abdominis muscles. This is a good exercise for users of varying experience because the user can vary the amount of time the bridge is performed for. More experienced users may hold the bridge for a longer period than less experienced users.