Core muscle training
Physical fitness is the result of regular exercise, proper diet and nutrition .core exercise proper diet and nutrition core training or core strengthening    is an exercise routine aimed at improving the overall health
And fitness in this context, it can involve proper hydration ‘\natural nutrition, daily core exercises, body relaxation and recreation. the core is your entire torso including internal organs the core is very complex and serves many vital functions that contribute to your overall health core training is an ideal solution to stress bad posture weak flabby abs and weight

Aerobic Cross Training for Weight Loss
Aerobic cross - training refers to using two to three different types of aerobic exercise during an exercise session. For example, if you plan to  exercise for 60 minutes. You night start with 20 minutes of walking or jogging, followed by 20 minutes of biking, and finish with 20 minutes of rowing.
  Now, please don’t get the impression that  you have to be  in great shape to do this or that it has to be 60 minutes long . You can start with something as simple as a ten minute walk fallowed by ten minutes with an exercise video. This is cross-training too . You can  gradually build up from there.
Here are some of  the exercises you can use in your cross-training program; walking, jogging, biking, rowing, stair climbing, swimming, exercise videos  ,etc. Any combination of aerobic exercises will do. You simply go from one to the next with very little time between them.