Adductor muscle strain: understanding your thigh pain and getting back to activity

What is an adductor muscle strain?

Adductor muscle anatomy

The adductor muscles are on the inner side of the thigh and bring the leg back toward the body’s midline. Heavily used during changes of direction and ball strikes, they’re one of the most commonly injured muscle groups in athletes, particularly in sports with fast changes of footing.

Why does this muscle get injured?

An adductor strain most often occurs during a sudden change of direction, a ball strike at maximal extension, or a forced full split, particularly in athletes who haven’t warmed up sufficiently or who are fatigued. Too rapid an increase in training intensity also raises the risk.

Symptoms and diagnosis of an adductor strain

Typical pain and its triggers

Pain is triggered by striking a ball, changing direction, or stretching the muscle under tension (a full split). Sharp pain, sometimes with a “pop”, followed by stiffness and occasionally bruising on the inner thigh, is typical of higher grades.

Differential diagnosis

Other causes of inner thigh or groin pain can resemble this injury:

• Psoas tendinopathy, more centred on the groin crease
• Hip impingement, worth considering if the pain is deeper and triggered by hip flexion

Causes and risk factors

An adductor strain most often happens during an explosive movement on a muscle that isn’t sufficiently prepared.

Risk factors

• Insufficient warm-up before explosive effort
• Muscle fatigue toward the end of a match or training session
• Too rapid an increase in training intensity
• A deficit in adductor eccentric strength
• A history of adductor strain, a major risk factor for recurrence

Which sports contribute to adductor muscle strains?

Any sport with fast changes of direction and ball strikes puts this muscle group at risk:

• Football, the sport most affected
• Ice hockey
• Rugby
• Racquet sports (tennis, padel)
• Athletics (sprinting, hurdles)
• Combat sports involving full splits

Treating an adductor muscle strain in rehab with a sports physio

The goal of treatment is to allow the muscle to heal under good conditions, then progressively restore its strength to prevent recurrence, which is particularly common with this muscle group.

1. 1Protection and relative rest of the area
2. 2Gentle hip and knee mobility
3. 3Light isometric contractions
4. 4Progressive concentric strengthening
5. 5Eccentric strengthening
6. 6Full leg chain work
7. 7Reintroducing sport-specific movements (running, striking)
8. 8Strengthening under sport-specific load
9. 9Progressive return to your sport
10. 10Return to competition

“A poorly managed muscle injury is the best way to get hurt twice in the same place.”

Progressive strengthening, the cornerstone of treatment

Strengthening the adductors must be introduced progressively, starting with pain-free isometric contractions before moving to concentric then eccentric work. Eccentric strengthening is particularly well documented for reducing the risk of recurrence in this muscle group.[2]

In brief

• Isometric then progressive concentric strengthening
• Eccentric strengthening to prevent recurrence
• Full leg chain work
• Gradual return: mobility, then load, then sport

Should you rest or keep playing sport?

Prolonged total rest isn’t recommended: it causes loss of muscle mass and strength, which increases the risk of recurrence. It’s better to temporarily adapt your activity, avoiding changes of direction and striking, while quickly starting active, progressive rehab.

When should you see a specialist for an adductor strain?

If you feel sudden pain accompanied by a “pop”, visible deformity of the muscle, or significant bruising, prompt medical attention is needed to rule out a complete rupture.

Recovery time for an adductor strain

A simple strain can resolve in one to two weeks, while a partial tear generally requires four to six weeks of progressive rehab. A complete rupture, which is rarer, can take several months and may require a surgical opinion.

Preventing recurrence

The adductors are among the muscles most prone to recurrence. Several measures reduce this risk:

• Carrying eccentric strengthening through to completion before a full return to sport[2]
• Keeping up a specific warm-up that includes the adductors before every session
• Adapting load progression in training
• Not returning to competition before strength and mobility criteria are met

The HOPP care programmes to treat your adductor strain and get back to sport

To heal durably and avoid the recurrence that’s common with this muscle, this strain requires a progressive, well-dosed return to loading. HOPP offers you a precise exercise programme, allowing you to get back to your activities as quickly as possible.

The programme runs from 3 to 9 weeks depending on the injury and ends with a reconditioning phase allowing a return to competition in the best possible conditions. Each programme is designed by the HOPP team, made up of two sports physiotherapists who are experts in assessing and treating athletes. You’ll also find theoretical content throughout your progression, so you master every aspect of your recovery and can adjust your treatment independently. If needed, our team of physiotherapists is on hand to support you.

A programme that adapts to you every day

Every day, how you feel (RPE) is factored in to automatically adjust the rest of your programme: more load if all is well, a bit less if your thigh is complaining. This daily personalisation is what makes the difference compared to a fixed, paper-based programme.

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