Learning proper core engagement can help, but if the brunt of repeated lumbar spinal flexion takes its toll, you can happily scrap sit-ups and try many other abs exercises instead, including landmine ...

The addition of a hip raise to this move will increase the core engagement and target the muscles in your lower back. Adding ...

The high voltage bushing on the grid side of UHV converter transformer is located at the connection position between the grid side winding of converter transformer and the AC side system, which is the ...