Fitness

Exercise helps make better use of the [[Nutrition|foods you are eating]] and produces the hormones you need to [[Thinking|think clearly]].
Your body is your vessel for life's journey - treat it accordingly. Fitness and [[Nutrition]] are the rising tide that floats all boats. They are multipliers for everything.
Never sit for prolonged times. Take breaks standing or walking around.
Going for a walk has lots benefits. Around 30 minutes a day on most days of the week is a great way to improve or maintain your overall health.
Having more muscle mass will increase your metabolic rate and help you stay lean more time. Or perhaps it doesn't!
Lifting weights makes you stronger and healthier, improves your posture, makes you less injury prone, and strengthens your bones.
- If you train for strength rest for at least 4 minutes before doing another set to maximize recovery.
Cardio helps stabilize hormone levels, improves endurance and recovery, helps the body fuel calories away from the fat cells and into the muscle, helps with weight maintenance, generally keeps you healthy, and finally burns calories.
For fat loss, HIIT is better than cardio.
Static stretching (any stretching done in place, holding for X number of seconds) should never be done before exercise. Instead, perform active movements simulating the exercise you are about to perform.
Aim for 6 to 20 sets per muscle per week and hit each muscle group at least 2 times per week.

Posture

Fix your [[Habits]]. Spending 30 minutes stretching every day and an hour at the gym 3 times a week won't offset the more than 80 hours a week you probably spend sitting at your office, sofa, eating, etc.
Pick certain moments where you would always check your posture. Walking through doorways, standing up, ...
Another great tip is to brush your teeth with your back against the wall for 3 minutes.
Exercise and live a less sedentary lifestyle to improve overall posture.
Focus on building core strength. You can strength your back in 5 minutes.

Fitness Reddit Wiki - Extensive resource of fitness information, contributed to by the community and curated by the moderators.
Simple Science Fitness - Everything you need to know about eating and exercising backed by science
Body Weight Fitness Recommended Routine - Best routine if you like to use your own body to train.
Molding Mobility - Routine designed to increase general range of motion in your movements.
Starting Stretching - A 15 minute stretching routine that serves as a starting point for beginners to improve overall flexibility.
The Best Fat Loss Article on the Motherfuckin' Internet - Facts and useful information about fat loss.
Basic Beginner Strenght Training Routine - Introductory lifting program to build familiarity and comfortability with the fundamental barbell movements that are a core component of most strength training routines.
Building Muscle - Article that cover what the science says about exercising and eating to build muscle.
Beginner's Health and Fitness Guide - Great information and resources on fitness and overall health.
Darebee - a non-profit free, ad-free and product placement free global fitness resource.