The wall-press: Stretch out the palms against a wall at shoulder height. Take a step back and engage the stomach muscles, lowering yourself until you are a couple of inches away from the wall, before pushing yourself back up. This is a press up that can be done in the office
手撑墙壁：伸出手掌，与肩齐高，撑住墙。向后迈一步，利用腹部力量，下蹲，远离墙面，然后往回推。这是一种能在办公室做的俯卧撑。