Stretching Before or After Training?

Key points

Before training, use dynamic moves. Short static holds of up to about 30 seconds are fine.
Long static holds of a minute or more can briefly reduce strength and power.
Stretching after training does little for next-day soreness, but it can help you wind down.
For lasting flexibility, stretch most days. Strength training through full range helps too.

The short answer

For years, people were told to hold long stretches before exercise to prevent injury. Then the advice swung the other way and static stretching before training was treated as harmful. The truth sits in the middle, and it depends on what you are stretching for.

Before training, the aim is to prepare your body to move. Dynamic movement does this best. Short static holds are fine if they help you reach a position you need.
After training, stretching is optional. It can feel good and help you calm down, but it will not stop you being sore.
For flexibility, regular practice is what counts. Doing it after training is convenient because you are warm, but any time of day works.

It also helps to be clear about what a stretch actually changes. In the short term, most of the extra range you feel comes from your nervous system becoming more tolerant of the stretch, not from the muscle physically getting longer. That is why range improves within a session and partly resets by the next day, and why consistent practice over weeks is needed for lasting change.

Static stretching before training: what the research says

Static stretching means moving into a stretch and holding it still. Research reviews have found that long holds, roughly 60 seconds or more on the same muscle, can cause a small, short-lived drop in strength and power. That matters if you are about to jump, sprint, or attempt a heavy single.

Shorter holds, up to about 30 seconds per muscle, and especially when followed by dynamic movement and lighter sets of your first exercise, have little or no measurable effect for most people. So if your hips are stiff and a quick stretch helps you get into a better squat position, do it. Just do not spend ten minutes holding stretches and then go straight into your heaviest set.

This matters most before power work such as jumps, throws and sprints. The same goes for any class with jumps or fast lifts in it, so if a Lower or Full Body session at Lycan Strength includes that kind of work, save long static holds for afterwards.

What to do before training instead

A good warm-up raises your body temperature, takes your joints through the ranges you are about to use, and then rehearses the session at lighter loads. That last part is the most specific and the most useful.

Three to five minutes of easy cardio: rower, bike, or a brisk walk.
Dynamic movements for the areas you will train: leg swings, walking lunges with a twist, arm circles, hip openers.
Any short static holds you personally need to reach good positions, around 20 to 30 seconds each.
Lighter sets of your first exercise, building gradually towards your working weight.

Our guide to warming up for lifting covers how to build those ramp-up sets, and our guide to warm-ups and cool-downs covers conditioning sessions.

Stretching after training

Post-workout stretching is traditional, but its benefits are more modest than the tradition suggests. Reviews of the research have found that stretching before or after exercise makes little or no difference to next-day muscle soreness. The evidence that it prevents injury is also weak, particularly for overuse injuries.

That does not make it pointless. A few minutes of slow stretching and deep breathing after a hard session is a good way to bring your heart rate down and switch off before you drive home. You are also warm, which makes it a comfortable time to work on flexibility if that is one of your goals.

What post-workout stretching should not be is an obligation that makes sessions feel longer than they need to be. If you have 45 minutes, spend them training and walk to the car. If you have an extra ten minutes and enjoy it, stretch.

If you actually want to get more flexible

Improving flexibility is a skill you build over weeks and months. A few principles make it work.

Frequency beats duration. Five or six short sessions a week will do more than one long one.
Holds of 30 to 60 seconds per stretch, repeated two or three times, work well for most people.
Relax into it. Mild discomfort is fine; pain is not. Breathe out slowly as you settle deeper.
Be patient. Early gains are mostly your nervous system tolerating more stretch. Real change takes longer.

Strength training through a full range of movement improves flexibility too, and you get stronger in those end ranges at the same time. A controlled Romanian deadlift, deep split squats and full-range goblet squats all load muscles in lengthened positions. For many lifters, that is more useful than passive stretching alone.

If you want a quick daily structure, our 10-minute mobility routine covers hips, ankles, upper back and shoulders in one go.

Who needs more stretching, and who needs less

People differ a lot. Someone who sits all day and struggles to touch their knees has different needs from someone who can fold flat without warming up. If you are naturally very flexible, sometimes described as hypermobile, extra stretching adds little. Strength and control around your joints usually matter more.

Some activities genuinely need more range than everyday life. Olympic lifting asks a lot of ankles, hips and shoulders, and a deep overhead squat takes real flexibility. For most hybrid and HYROX training, though, ordinary range is enough, and the bigger limiter is usually strength and control in the positions you already have.

Hormonal changes during pregnancy make ligaments more lax, so this is not the time to chase new flexibility, and deep stretches may need adapting. After an injury, such as a pulled hamstring, stretching too hard too early can aggravate it. Our guide to hamstring strain explains how rehab usually progresses, and a physio can tell you when stretching should come back in.

Members' guide

Keep reading with your free week

The full guide is for members and people on a free trial. Claim 7 days free and it opens straight away on this device, along with every other guide.

Unlock the full guide

Seven days of classes, free. We will be in touch to book your first session.

Questions

Is it bad to stretch before lifting weights?

Short static stretches of up to about 30 seconds are fine, especially when followed by dynamic movement and warm-up sets. Long holds of a minute or more on the same muscle can slightly reduce strength for a short time.

Does stretching after exercise reduce soreness?

Research reviews suggest it makes little or no difference to next-day soreness. It can still help you relax and is a good time to work on flexibility.

How long should you hold a stretch?

For improving flexibility, 30 to 60 seconds per hold, repeated two or three times, works well. Before training, keep holds shorter, around 20 to 30 seconds.

Does stretching prevent injury?

The evidence is weak. A good warm-up, sensible training progression and strength work are more reliable ways to reduce injury risk.

General guidance for healthy adults. If you have a medical condition, injury or are pregnant, check with a health professional before changing your training or diet.

Stretching: before or after training?