Part of the complete guide: How to improve your archery score

To the naked eye it is invisible. At 240 frames per second it occupies barely three frames. For the archer's nervous system, however, it feels almost like an eternity. The release, the instant the fingers leave the string and the string begins to push the arrow, lasts just a few milliseconds: estimates vary across studies and methodologies, but the order of magnitude is tens of milliseconds for the fingers, with string-to-nock contact ending even sooner. In that fraction of time, events unfold that the conscious mind does not even have time to perceive, let alone control. What determines the outcome is everything that came before.

Over two decades, biomechanics research has broken this movement down in slow motion, using electromyography, motion capture, and high-speed video, and what it has found changes the way it makes sense to train it. This article covers what happens in those few milliseconds, the three most common errors among intermediate archers, the markers that separate an elite performer from an amateur, and how to train a consistent release while accepting that controlling it on demand is simply not possible.

Arrows in flight after the archery release
Fig. 02 Arrow flight is the final result of a release lasting just a few milliseconds, a sequence the mind cannot consciously control.

Release kinematics: what happens in a few milliseconds

When the fingers open to free the string, three things occur almost simultaneously. It is the way they coordinate at a neuromuscular level that separates a clean release from a dirty one, the kind that sends the arrow into lateral torque.

Phase 01 · about 0-4 ms
Finger extension
In electromyography studies the key signal is activation of the finger extensors, which progressively open the three draw fingers, accompanied by a gradual relaxation of the flexors rather than an abrupt shutdown. The transition is on the order of a few milliseconds, faster and cleaner in experienced archers.
Phase 02 · about 4-10 ms
String movement
The string accelerates forward, pushing the arrow nock. In this interval the draw weight transfers from the bow to the arrow. Any residual finger contact produces lateral deflections.
Phase 03 · about 10-14 ms
Arrow exit
The nock separates from the string. The arrow begins free flight with its own rotation (the archer's paradox) that stabilises over the first few metres. From this point on, the archer can no longer influence the shot.

In this sequence, variability from one arrow to the next is the real predictor of performance. A camera at 240 fps has a resolution of roughly 4 ms per frame: enough to capture the order of magnitude of the movement, but not to measure sub-millisecond differences. What emerges clearly is that elite archers are far more consistent than intermediate ones: inter-shot dispersion is considerably tighter. This is not a laboratory detail. Even a few milliseconds of timing variation can shift the arrow by centimetres on a 70-metre target.

FIG · 01 Release timeline · 0 → 14 ms Sequence of measurable events with sEMG and high-speed video 0 ms 4 ms 8 ms 12 ms 14 ms Finger extension extensors ON String movement peak acceleration Arrow exit string-nock contact Free flight INTRA-INDIVIDUAL VARIABILITY ELITE · low variability INTERMEDIATE · high variability
Fig. 01 Indicative timeline of events in the archery release (illustrative orders of magnitude: at 240 fps the resolution is approximately 4 ms per frame). Intra-individual timing variability is one of the main predictors of score repeatability. The ±ms values in the graphic are estimates, not laboratory measurements.

Three common release errors in intermediate archers

When hundreds of releases are analysed with electromyography and high-speed video, certain errors recur consistently among intermediate archers. Recognising them is the first step toward building a targeted correction protocol, rather than intervening at random.

Error 01

Biceps/triceps co-contraction

When an archer is anxious about throwing the arrow wide, the antagonist muscles of the bow arm (biceps, brachialis) activate simultaneously with the triceps. The result is a trembling arm instead of a stable one, with energy dissipated laterally.

In elite archers this co-contraction tends to be very contained: the bow arm is relaxed but stable. It is a classic technical observation rather than a quantified laboratory figure, but it is visible to the eye and on video.

EliteRelaxed, stable arm
IntermediateAntagonist tension
Error 02

Active finger push instead of passive release

Among experienced archers, two legitimate EMG patterns exist in roughly equal proportions: some passively relax the flexors, others actively engage the extensors. Neither is the single correct approach: both can produce a clean release. The problem in intermediate archers is a third, problematic pattern: flexors that push the string forward rather than letting it go.

The result is arrow torque (a dirty release) and a loss of directional consistency. In slow motion this is visible as lateral oscillation of the nock immediately after the shot.

MarkerNock oscillation
ToolHigh-speed 240+ fps
Error 03

Compromised follow-through

What the draw hand does after the string has gone reveals what happened before. A hand that jumps forward or collapses to the chest indicates suboptimal technical preparation.

In elite archers the hand remains in the expansion position behind the ear after the release: less than 2 cm of net movement, a visible marker of overall technical quality.

Elite< 2 cm rearward
Intermediate> 5 cm in various directions
Tab. 01 Biomechanical release markers · elite vs. intermediate
IndicatorEliteIntermediateMeasurement tool
Finger opening duration~10-30 ms (order of magnitude)slower and more variableHigh-speed cam 240+ fps
Inter-shot variabilitycontained (qualitative estimate)substantially greatersEMG / high-speed video
Biceps co-contractioncontained (technical observation)more pronouncedsEMG flexors-extensors
Post-release hand movement< 2 cm rearward> 5 cm in various directions3D motion capture
Lower trapezius activationConsistent 80-90%IntermittentScapular sEMG

How to train a consistent release

This is the crux of it: the release, in its few milliseconds, cannot be controlled by the mind. The mind simply is not fast enough. Training the release therefore means training the conditions that precede it, because those are what you can actually influence.

Condition 01
Full draw and anchor point
The anchor point must be identical on every arrow, with stable contact between the hand and the face. Variations of a few millimetres can shift the point of impact by centimetres on the target.
Condition 02
Consistent muscular expansion
The lower trapezius and rhomboids must remain active throughout the entire aiming phase. When expansion stops, even for just 100 ms, the release becomes unstable.
Condition 03
Stable quiet eye on the target
A visual fixation of at least 400-700 ms on the gold before the release signals to the motor system that the programme is ready. Without quiet eye, the release fires early or late.
Condition 04
Clicker
The clicker works because it converts the release from a conscious decision into an automatic response. The same mechanism, without the device, can be built through trained proprioceptive cues.

When these four conditions are in place, the release happens with far less effort, almost by itself. This is the real difference between a thought-out shot and an automated one. This should not be turned into a single rule, though: the research shows there is no one correct way. About half of elite archers describe their release as passive, letting it happen when the system senses the moment is right; the other half actively extend the fingers, with identical scores. And a small margin of decision always remains.

Practical implication

A good release is not one you executed well. It is one you did not have to make.

The goal of release training is not control, but de-control: creating conditions in which the neuromotor sequence can run without cognitive interference. Most competition errors arise from attempting to force a release that was not ready.

Three exercises to build a clean release

Moving from principles to practice requires specific exercises. The research and high-level coaching work converge on certain protocols that address the neural mechanisms of the release, not its visible symptoms. That distinction is the difference between treating the cause and chasing the effect.

Exercise 01

Blank bale with eyes closed

At close range (3-5 metres), shooting into a target boss without a face, sets of 10-12 arrows are shot with eyes closed after confirming the anchor point. This removes the aiming component and allows the motor system to focus solely on the release.

Repeated consistently over several weeks, it helps reduce antagonist tension in the arm and makes the release cleaner.

Volume30-40 arrows · 3x/week
TargetCo-contraction
Exercise 02

Draw without release (hold)

Reach anchor, activate expansion, hold the position for 8-12 seconds without releasing, then let down. This builds isometric scapular endurance and the capacity to maintain expansion well beyond a normal aiming window.

A secondary benefit: it dissociates aiming from releasing, reducing the anxiety of needing to shoot within a fixed time.

Sets6-8 holds per session
TargetConsistent expansion
Exercise 03

Clean clicker

For recurve archers: the clicker is used not as a signal that draw length has been reached but as a release trigger. The reflex is trained: clicker fires, release follows within 0.4 seconds. The narrow time window reduces both late and early shots.

For compound archers: the same principle applies with a mechanical trigger or, alternatively, with a trained proprioceptive cue at the point of maximum draw.

Latency< 0.4 seconds
TargetTrigger automation

Recurve vs. compound release: key differences

The biomechanics of the release differ considerably between the two main archery divisions. Understanding those differences prevents applying a protocol designed for one discipline to the other.

In Olympic recurve the release is entirely a finger action: the three draw fingers open the string. Here the neural component dominates, variability is higher, and follow-through becomes decisive in preserving alignment. Research on recurve consistently shows that release quality depends almost entirely on how quickly and symmetrically the three fingers extend.

In compound, the release is mechanical: a release aid fires it, whether by trigger, button, or tension. The neural component shifts from finger control to trigger management. Variability tends to be lower because the mechanism absorbs some of the neural interference, but two new risks emerge: trigger punching and the flinch, the anticipatory startle that precedes the shot.

For both disciplines, however, the underlying principle is the same: the release must be a reaction, not a decision. Only the channel through which that reaction passes differs. In recurve, the fingers; in compound, the thumb or index finger.

Mental errors that become biomechanical errors

Here it is worth being honest about what the research actually supports: the influence of the mind on movement is well documented in sport psychology, whereas the direct, quantified link between mental states and the EMG profiles of the release is still little studied. That said, in practice you often see that part of the excess muscular tension in intermediate archers comes from the mind rather than the muscles. This matters because it means the solution is not always technical.

Fear of a bad shot activates the prefrontal cortex, which in turn suppresses the motor automatism already built through practice. The release slows by 3-5 milliseconds and becomes less stable. This is not a technical problem: it is the rational part of the brain taking back control of a process it should not be touching.

Negative internal dialogue ("don't miss", "watch the wind") consumes attentional resources, taking them away from the motor programme. Studies on pistol shooters and archers find that those who use neutral or positive self-talk produce more consistent releases than those who self-criticise, at equivalent technical levels.

Then there is internal focus, concentrating on how the arm moves, which consistently produces worse results than external focus, concentrating on the target or on the effect to be achieved. External focus produces better outcomes in almost every skill-based sport.

The practical conclusion is clear: working on the release means working on the mental side too, on emotional regulation and attentional control. A protocol that corrects the release while ignoring the mental dimension is simply an incomplete protocol.

Conclusion: the release as the sum of everything else

After two decades of research, the message is a single one: the release is not an isolated movement to be trained in isolation. It is the final expression, in a few milliseconds, of everything that preceded it: posture, anchor point, expansion, aim, emotional state, fatigue, even how well the archer slept the night before.

Training it intelligently therefore means working across all of these dimensions together, keeping in mind that the release is a consequence, never a cause. The archers who make genuine progress are those who stop thinking of the release as an act to be performed and begin to see it for what it is: a result.

The good news is that once the perspective shifts, the tools for intervention multiply: pre-shot routines, breathing, external focus, physical condition, load management. Different paths that all lead to the same place: making those final few milliseconds repeatable without having to think about them.

One last point, worth raising because it is a very common pattern. Many intermediate archers try to copy the release of an elite archer they admire, matching the external appearance. This almost always ends badly: imitating the outward form of a movement without rebuilding the chain of conditions that makes it possible produces only a fragile imitation that falls apart at the first sign of pressure. The elite release is not a model to copy; it is what emerges when the entire system underneath is working. Getting there requires building the prerequisites, one at a time, with patience.

For anyone serious about investing in release quality, the suggested trajectory is this: six months of focused technical work on the four conditions described above, then two to three months of specific exercises like those outlined here, followed by progressive integration with mental and competition work. Skipping steps looks like a shortcut on paper and turns out to extend the timeline in practice.

Frequently asked questions

What happens during the release?
When the fingers open to free the string, three things happen almost at the same moment: the fingers extend (in electromyography studies the key signal is activation of the forearm extensors, accompanied by a gradual relaxation of the flexors), the string accelerates forward and transfers its force to the arrow, and the arrow leaves when the nock separates. From that point on, the archer can no longer influence the shot.

Can you control the release with your mind?
Almost not at all, and not in the way you think. The release lasts just a few milliseconds: it is not something you "steer" while it happens. What decides how it went is everything that comes before. Many experienced archers feel it as something that fires on its own when the system senses the moment is right. A caveat, though: the research shows there is no single correct way, some excellent archers release more passively, others by actively extending the fingers, with identical scores, and a small margin of decision always remains. A good release, in practice, is one you did not have to force.

How do you train a consistent release?
By training the conditions that precede it, because those are the ones you can actually influence. There are four: full draw and an identical anchor on every arrow, consistent muscular expansion of the lower trapezius and rhomboids, a stable quiet eye on the target, and the clicker, which helps turn the release into a reaction to a cue rather than a decision made from scratch each time. When these are in place, the release happens with far less effort.

What are the most common release errors in intermediate archers?
In practice you mostly see three. First, excess tension in the arm: when there is a fear of throwing the arrow wide, the muscles stiffen and the arm trembles instead of staying stable (this is a classic technical observation rather than a laboratory figure). Second, fingers that push the string forward instead of letting it slide, with the risk of imparting a torque: here the real problem is the inconsistency from one arrow to the next. Third, an interrupted follow-through, with the hand jumping forward or falling back onto the chest: the research shows that a more stable release after the shot goes hand in hand with better scores.

Do mental errors affect the release?
Yes, a great deal, although here we need to be honest: the influence of the mind on movement is well documented in sport psychology, whereas the direct, quantified link with the electromyographic profiles of the release is less studied. In practice: the fear of missing tends to hand conscious control back to a movement that should be automatic, negative self-talk drains attention, and focusing too much on how you move the arm often works worse than focusing on the target. Working on the release therefore means working on the mind as well.

Further reading. What you read here rests on the scientific literature. To keep the text readable I do not cite individual studies inline, but you will find the full reference list, over 120 studies and books, on the dedicated page.

Go to the bibliography
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