Basketball Ankle Sprain: A Return-to-Play Checklist From a Pro Staff

Every season starts the same way. Someone lands on a teammate’s foot in the second week of practice, the ankle rolls, and by the next morning the head coach wants to know one thing: “Is he playing Saturday?”

The honest answer is that the calendar does not decide that. The ankle does. And the ankle tells you a lot more than “it doesn’t hurt much anymore” if you ask it the right questions.

This is the checklist we use before a player with a lateral ankle sprain goes back to full practice. It is built on the PAASS framework, an international consensus published in 2021: a three-round Delphi survey of 155 health professionals who work in elite field and court sports (Smith et al., 2021). We have adapted it to what a basketball staff can actually test in a gym with a tape measure, a stopwatch and a bit of floor space.

Why basketball players re-sprain so easily

Ankle sprains are the most commonly incurred sports injury, and in the NBA lateral ankle sprains were the most frequent orthopaedic injury over a 17-year period (Drakos et al., 2010). The biggest risk factor for spraining an ankle is having sprained it before. In a courtside study of 10,393 basketball participations in Australia, mostly recreational players, those with a history of ankle injury were almost five times more likely to injure an ankle again (odds ratio 4.94), and the most common mechanism was landing (45%) (McKay et al., 2001).

The second problem is what happens months later. Acute ankle sprains have a high recurrence rate, and that recurrence is associated with the development of chronic ankle instability (Herzog et al., 2019). A review of return-to-sport criteria notes that an emphasis on rapid return likely increases the risk of reinjury (Wikstrom et al., 2020). In a sport where a player lands many times per practice, that is a risk worth taking seriously.

Time since injury is a guide, not a criterion.

So the goal is not “back as fast as possible”. It is “back once, and not back on the treatment table three weeks later”.

The first days: what the evidence actually supports

A few things worth knowing before the return-to-play part:

• Rest and ice alone are not a plan. The updated Dutch clinical guideline says a player with an acute lateral ligament injury benefits most from tape or a brace combined with an exercise programme, and that supervised exercise is preferred over passive treatments. A short period of immobilisation may help with pain and swelling (Vuurberg et al., 2018).
• Re-examine after 4 or 5 days. The previous version of the guideline found that the severity of the ligament damage is assessed most reliably by a delayed physical examination, 4 to 5 days after the injury.
• Bracing and balance work lower the chance of a repeat sprain. An overview of 46 systematic reviews found strong evidence for bracing and moderate evidence for neuromuscular training in preventing recurrence (Doherty et al., 2017).

The International Ankle Consortium also published a consensus on how to assess an acute sprain, built by 14 experts over two Delphi rounds. It covers the mechanism of injury, the bones and ligaments, and the mechanical and sensorimotor impairments linked to chronic ankle instability (Delahunt et al., 2018). The impairment and sensorimotor blocks of the checklist below follow the same logic; that link is our reading, not something the consensus states.

The return-to-play checklist

PAASS stands for Pain, Ankle impairments, Athlete perception, Sensorimotor control and Sport or functional performance. Here is how each block looks in our gym.

One thing first. PAASS says what to assess, not what score to reach: the consensus sets no cut-offs, and a systematic review of published expert opinions found agreement on the domains but none on specific tests or thresholds (Wikstrom et al., 2020). The numbers below are our staff’s working rules, not validated thresholds. Use them as a starting point and record your own.

1. Pain

• No pain during the session, or only mild pain that settles straight after. PAASS asks about pain during sport and over the previous 24 hours.
• No increase in pain or swelling the next morning. This is the one people forget, and the one we find most useful. Ask about it every day.
• No limp walking, jogging or going up and down stairs.

2. Ankle impairments

• Dorsiflexion. Knee-to-wall test. Our working rule: the injured side within about 2 cm of the healthy one. In our experience, players who lose dorsiflexion land stiff and move the stress up to the knee.
• Strength. Single-leg calf raises to fatigue, comparing sides. We want the injured side close to the healthy one, not just “a few reps”.
• Eversion and inversion strength. Against a band or a handheld dynamometer if you have one.
• Swelling. Figure-of-eight tape measurement around the ankle, back to (or very close to) the other side.

3. Athlete perception

• The player says they feel ready. Not the coach, not the agent, the player.
• They are not scared of cutting or landing. If they hesitate on the first change of direction, they are telling you something.
• Use a short questionnaire such as the Cumberland Ankle Instability Tool or the FAAM sport subscale so you can compare week to week.

4. Sensorimotor control

• Single-leg balance with eyes closed, compared with the other side.
• Star Excursion or Y-Balance reach, compared with the healthy leg (our working rule: within a few centimetres).
• Single-leg landing from a small box, holding the landing without the knee caving or the foot rolling.

5. Sport and functional performance

• Hop tests: single hop for distance, triple hop and side hop. Our working rule is a symmetry close to 90 %, and we look at the quality of the landing as much as the number.
• Change of direction: a 505 or a short shuttle with planned cuts first, then reactive cuts to a coach’s signal.
• Basketball drills: closeouts, defensive slides, rebounding in traffic, and finally live 1-on-1 and 3-on-3.
• One full practice without restrictions before the first game. Not a shootaround. A real practice.

Tape or brace when they come back?

For a player returning from a recent sprain, yes. The overview above found strong evidence for bracing in preventing recurrence (Doherty et al., 2017), and the updated guideline says ankle braces should be considered as an efficacious option to prevent recurrent sprains (Vuurberg et al., 2018). Our rule is simple: support for the rest of the season, and keep the balance and strength work going after the player is back. In our view the brace protects and the exercise is what fixes the problem.

Keep the prevention work after the return

The work does not stop when the player is cleared. Balance training is one of the best-studied tools in ankle sprain prevention. In a randomised trial of 765 high school basketball and soccer players, a balance training program significantly reduced the rate of ankle sprains over a season (1.13 against 1.87 per 1,000 exposures) (McGuine & Keene, 2006). Our suggestion, not the trial’s protocol: five to ten minutes, two or three times a week, in the warm-up. It costs nothing and players stop complaining about it after the second week.

References

1. Smith MD, Vicenzino B, Bahr R, et al. Return to sport decisions after an acute lateral ankle sprain injury: introducing the PAASS framework, an international multidisciplinary consensus. Br J Sports Med. 2021;55(22):1270-1276. PubMed 34158354
2. McKay GD, Goldie PA, Payne WR, Oakes BW. Ankle injuries in basketball: injury rate and risk factors. Br J Sports Med. 2001;35(2):103-108. PubMed 11273971
3. Herzog MM, Kerr ZY, Marshall SW, Wikstrom EA. Epidemiology of ankle sprains and chronic ankle instability. J Athl Train. 2019;54(6):603-610. PubMed 31135209
4. Vuurberg G, Hoorntje A, Wink LM, et al. Diagnosis, treatment and prevention of ankle sprains: update of an evidence-based clinical guideline. Br J Sports Med. 2018;52(15):956. PubMed 29514819
5. Doherty C, Bleakley C, Delahunt E, Holden S. Treatment and prevention of acute and recurrent ankle sprain: an overview of systematic reviews with meta-analysis. Br J Sports Med. 2017;51(2):113-125. PubMed 28053200
6. Delahunt E, Bleakley CM, Bossard DS, et al. Clinical assessment of acute lateral ankle sprain injuries (ROAST): 2019 consensus statement and recommendations of the International Ankle Consortium. Br J Sports Med. 2018;52(20):1304-1310. PubMed 29886432
7. McGuine TA, Keene JS. The effect of a balance training program on the risk of ankle sprains in high school athletes. Am J Sports Med. 2006;34(7):1103-1111. PubMed 16476915
8. Drakos MC, Domb B, Starkey C, Callahan L, Allen AA. Injury in the National Basketball Association: a 17-year overview. Sports Health. 2010;2(4):284-290. PubMed 23015949
9. Wikstrom EA, Mueller C, Cain MS. Lack of consensus on return-to-sport criteria following lateral ankle sprain: a systematic review of expert opinions. J Sport Rehabil. 2020;29(2):231-237. PubMed 31141438

PFB Performance Team
Strength & conditioning and rehab specialists in professional basketball. Published 19 October 2026 · last reviewed 19 October 2026.