Yes to strength training first. However, please be careful doing only highly repetitive exercises like pushups and crunches every day - it's a good way to devel

Yes to strength training first. However, please be careful doing only highly repetitive exercises like pushups and crunches every day - it's a good way to develop joint injuries as you get older. Build up slowly and switch it up - like a healthy diet, variation is the key to longevity!