One of the biggest deterrents, if not the biggest, of training whether it be bodyweight lifts or weighted resistance training, is the fear of injury. There has been a large belief that bodyweight training is less dangerous that that of its weight training cousin, but in actuality, without proper technique on any lift, one risks becoming injured regardless of if one is bearing an extra load such as weights or bands or just performing bodyweight lifts.
The key to injury prevention lies in knowledge and fitness itself.
Lifting relies primarily on technique to be able to perform the lift. Strength athletes, strong men, bodybuilders, all lift with proper technique to be able to perform such feats as clean and jerking over 400 pounds easily, towing semi-truck, or even squatting repeatedly for a certain number of repetitions. If any of these athletes lacked the technique to perform the event correctly, they could severely injure themselves. These athletes all began as neophytes, wondering as to how to actually lift, how to actually move their body, why certain movements should be conducted in a certain manner.
Technique is a knowledgeable man's best friend.
One needs technique to be able to lift incredible loads, strength plays secondary to technique as even if one has the strength to lift a load, without proper technique, one can either perform the lift incorrectly, risking severe injury, or, more comically and more often, fail to even perform the lift, which would spare the person from injury, more than likely. However, because the risk of injury severely rises with poor or improper technique, strength will take a back seat for now.
Injury prevention lies in knowing exactly how to perform a lift, when to explode during a certain lift, how to move the body during a lift, knowing when to abort the lift. For example, one of the most complicated lifts in training, the clean and jerk, relies upon a full awareness of how the body will react to the moving load. From the initial pull, the weight does not want to move, obeying the laws of gravity, but as you input more force, the weight will leave the ground. At this point, one has essentially performed a deadlift, now power is implemented to be able to drive the weight even higher to be able to catch the weight in a squat-position safely. The next step is to stand with the weight, relying on balance to maintain the weight's equilibrium. After standing, dip and exploding upward will have the weight well over head. Without the knowledge of this, one could easily injure themselves attempting to perform the catch duration of the lift, easily one of the more dangerous part of the lifts. The jerk part of the clean and jerk is also dangerous as it relies on even more balance and force than the catch. However, the clean and jerk has been proven to be able to be executed time and time again for decades. Clearly, knowledge of the proper technique of the lift allows for a low risk movement.
Technique and strength, yin and yang.
Technique and strength are fundamental regarding fitness. Without technique and strength, one's fitness conditioning will not improve. However, without fitness, technique and strength stall or plateau. Fitness is more than a concept or philosophy. It is a religion that must be practiced nearly daily. Fitness allows for one to develop the techniques and strength that is needed to perform ever-more complicated lifts, but one does not need to be the most conditioned athlete to begin. Every one has differing fitness levels, often people remain in the bottom-tiered fitness levels, perfectly content with feeling better about themselves as well as leading healthier lives. This is perfectly natural as there are many levels of fitness in general with bodybuilding, strength athleticism, and power lifting all encompassing the very top tier of fitness. In all of these aspects though rely upon the standard foundation of fitness of the lower tiers, balance, endurance, technique, and knowledge.
Strength will come in due time regarding fitness. Fitness creates strength as one's body adapts to a stressor, the load being lifted, whether the body or resistance. It is just how the body works. The body wants to be challenged, to adapt to something greater. Unfortunately, this can lead to some believing they can attempt an event that is yet out of their capability.
Injury can be moderated to a low risk.
Technique, strength, balance, and endurance encompassing knowledge and fitness allows for one to know how to lift properly in order to be able to train effectively, yet safely. Knowledge and fitness then drastically alter the risk of injury as the more one knows, the more one lifts, the less one will injure themselves. The primary injury prevention is listening to one's body as it will always tell you if it is capable of a certain feat, the basis at which this principle can be applied is instilled through knowledge and fitness.