How to warm up before lifting

A simple, effective warm-up before weights: easy cardio, mobility, ramp-up sets and what to do about stretching. With examples for leg and upper-body days.

A good warm-up does not take half an hour or a complicated routine. The goal is simple: raise your body temperature, prepare the joints you will use and rehearse your first exercise with light weight. 8 to 12 minutes is enough.

1. Easy cardio (3 to 5 minutes)

Start with something that raises your heart rate gradually: the stationary bike, the elliptical or incline treadmill walking. Keep the intensity low: you should be able to talk easily and start to feel warm by the end.

If you have an ankle or knee injury, the bike is the gentlest option.

2. Specific mobility (2 to 4 minutes)

Dynamic movements, without bouncing, for the joints you will use that day:

Leg day

10 front-to-back and 10 side-to-side leg swings per side.
10 slow, deep bodyweight squats.
10 glute bridges.

Upper-body day

10 forward and 10 backward arm circles.
10 banded external rotations.
10 light face pulls.

3. Ramp-up sets (3 to 5 minutes)

This is the most important part, and the one people skip most. Before the working sets of your first exercise, do 2 or 3 ramp-up sets with increasing weight:

Set	Approximate weight	Reps
1	40–50% of working weight	8 to 10
2	60–70%	5 to 6
3 (optional, if heavy)	80–85%	2 to 3

These sets do not tire you out and let you check your technique. For the following exercises, one ramp-up set is usually enough, because your body is already warm.

What about stretching?

Long static stretches (holding a position for 30 to 60 seconds) before lifting do not prevent injuries and, if held for very long, may slightly reduce strength at that moment. Before training, dynamic mobility is better.

If a short stretch helps a specific area feel looser, go ahead: a few seconds will not hurt. Longer stretching can go at the end of the session or at another time of day.

Full example: leg day (10 minutes)

4 minutes of easy cycling.
Leg swings and 10 bodyweight squats.
10 glute bridges.
First exercise, for example the leg press: one set of 10 with light weight, one of 6 with medium weight, then your working sets.

Common mistakes

Skipping the warm-up to save time and starting with your working weight.
Warming up too much: 20 minutes of hard cardio before a strength session costs you performance.
Taking ramp-up sets close to failure.

Warming up is not wasted time: it is how you make your first working sets as good as your last.

Apply it in your next session: build your routine and log your sets in GymTracking.

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If you have an injury, pain or a medical condition, check with a professional before doing this exercise.