The concept of technical failure allows for safe progression in strength training, and even beginners can benefit from reaching 100% on exercises they are comfortable with. It is not necessarily more dangerous to attempt a weight slightly above one's max than to do several reps at a lower weight.
The speaker emphasizes stopping any weightlifting exercise when experiencing technical breakdown to avoid accidents. They also caution against working out alone and suggest changing up exercises regularly.
Athletes train their muscles every day, sometimes multiple times a day. Olympic weightlifters squat or some variation of squatting every day. It is important to include indirect exercises for muscle groups to prevent overuse injuries.
Learn how to get started with functional fitness from scratch, what exercises do athletes do every day and how to build the right habits.