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Atlas · Foot

Flexor Hallucis Brevis

Pain under first metatarsal head from trigger points near sesamoid bone region

Flexor Hallucis Brevis
Body region
Foot
Trigger points
1
documented in this muscle
Common symptoms
4
patterns cataloged
Common causes
5
contributory factors

Illustrated overview

Flexor Hallucis Brevis · Anatomy 1

Anatomical view of the illustrated muscle.

Open full-size image

Trigger points

1. Flexor Hallucis Brevis

Location. Sole of foot, under big toe

Trigger point map
Flexor Hallucis Brevis — Flexor Hallucis Brevis · Trigger-point examples 1Open full-size image

Regional muscle reference; this is not an individual map of the selected numbered trigger point.

Referred pain map
Flexor Hallucis Brevis — Flexor Hallucis Brevis · Referred-pain pattern 1Open full-size image

Regional muscle reference; this is not an individual map of the selected numbered trigger point.

Pain referral. Ball of foot, big toe

Pain Pattern

  • Ball of foot
  • Big toe
  • First metatarsal head

What This Pain Feels Like

A persistent aching under the big toe joint at the ball of the foot, especially noticeable during push-off when walking or running. The pain can feel like a deep bruise beneath the first metatarsal head and is often mistaken for sesamoiditis or the early stages of hallux rigidus. Wearing high heels or thin-soled shoes intensifies the discomfort significantly, and patients frequently report that the ball of the foot feels tender even when simply standing barefoot on a hard floor.

What Patients Report

  • Pain at ball of foot
  • Big toe discomfort
  • Pain when pushing off
  • Pain in high heels

What Makes It Worse

  • Pushing off
  • Running
  • High heels
  • Dancing
  • Toe flexion
Browse related exercises (2)

Symptoms patients report

Ball of foot pain Pain under first metatarsal head from trigger points near sesamoid bone region

Big toe pain Aching in hallux from flexor hallucis brevis trigger point distal referral pattern

Pain when pushing off Toe-off phase maximally loads compromised flexor hallucis brevis during propulsion

Sesamoid-like pain Pain mimicking sesamoiditis from trigger points adjacent to medial and lateral sesamoids

Common causes

Running Repetitive forefoot propulsion creates cumulative overload on hallux flexor mechanism

Dancing Sustained releve and push-off positions maximally load flexor hallucis brevis muscle

High heels Forced metatarsal head weight-bearing chronically overloads first ray flexor muscles

Overuse Exceeding first ray muscle recovery capacity causes persistent trigger point activation

Poor footwear Inadequate forefoot cushioning increases mechanical stress on ball-of-foot muscles

Treatment & self-care

Immediate Relief

Thumb pressure release under 1st MTP joint

Sit comfortably and place the affected foot on the opposite knee. Use your thumb to apply firm, sustained pressure directly under the first metatarsophalangeal (big toe) joint. Hold each tender spot for 20-30 seconds, then release slowly. Repeat on any additional tender areas you find across the ball of the foot. Apply enough pressure to feel a productive discomfort without sharp pain.

Duration
3-5 minutes per foot
Frequency
2-3 times per day
Expect
Possible temporary comfort; compare the same movement before and after massage.

Exercises

Big toe flexion and extension stretches

Sit with the foot flat on the floor. Manually pull your big toe upward into full extension, holding for 15 seconds. Then curl the big toe downward into full flexion, holding for 15 seconds. Repeat this cycle 10 times. You can also perform this stretch by placing the toes against a wall with the foot at an angle to stretch the toe extensors and plantar flexors alternately.

Duration
5 minutes per session
Frequency
Twice daily, morning and evening
Expect
Practice comfortable toe movement and compare comfort during push-off.

Exercises

Towel curl exercises for toe strengthening

Place a small towel flat on the floor and set your bare foot on top of it. Using only your toes, scrunch the towel toward you by curling all five toes. Spread the towel back out and repeat. Perform 3 sets of 10 scrunches. For added resistance, place a light book or water bottle on the far end of the towel.

Duration
5 minutes per session
Frequency
Once daily
Expect
Build toe and arch control; monitor comfort during standing and walking.

Immediate Relief

Sesamoid offloading pad placement

Purchase a felt or gel metatarsal pad designed for sesamoid offloading. Place the pad inside your shoe just behind the ball of the foot so that it sits proximal to (behind) the first metatarsal head. The pad should redistribute pressure away from the big toe joint. Ensure the pad does not bunch or shift during walking. Replace the pad when it loses its cushioning properties.

Duration
Wear during all weight-bearing activities
Frequency
Daily, throughout the day
Expect
Aim for more comfortable standing and walking; compare comfort with the footwear or support in place.

Lifestyle Changes

Transition to supportive, low-heeled footwear

Replace high heels and thin-soled shoes with footwear that has a low heel drop (less than 2 cm), a firm but cushioned sole, and a wide toe box. When selecting shoes, ensure there is adequate space for the big toe to move without compression. If dress shoes are required, choose styles with a platform or wedge that reduces forefoot loading compared to stilettos.

Duration
Ongoing
Frequency
Daily, for all regular activities
Expect
Less shoe pressure is the goal; compare comfort during a short walk.

Professional Treatment

Podiatric evaluation for persistent 1st MTP pain

If pain under the big toe joint persists beyond 3-4 weeks of self-care, schedule an appointment with a podiatrist or sports medicine physician. The clinician can perform imaging to rule out sesamoiditis, sesamoid fracture, hallux rigidus, or gout. They may recommend custom orthotics, corticosteroid injection, or a specific rehabilitation protocol based on the findings.

Duration
One-time evaluation with possible follow-ups
Frequency
As needed, especially if pain persists beyond 4 weeks
Expect
A working diagnosis and an individualized treatment plan, with progress judged by the relevant daily activity.

Differential diagnosis

  • Sesamoiditis
  • Metatarsalgia
  • Gout
  • Hallux rigidus

Associated Trigger Points

Key Takeaways
  1. Pain under first metatarsal head from trigger points near sesamoid bone region
  2. Aching in hallux from flexor hallucis brevis trigger point distal referral pattern
  3. Toe-off phase maximally loads compromised flexor hallucis brevis during propulsion
  4. Pain mimicking sesamoiditis from trigger points adjacent to medial and lateral sesamoids