FLEXOR DIGITORUM LONGUS

• Origin

Posterior surface of the tibia

• Insertion

Plantar surface of the distal phalanges of the toes (2-5)

• Agonist(s)

- Flexor hallucis longus

- Tibialis posterior

• Antagonist(s)

- Extensor digitorum longus

- Peroneus tertius

• Function

Flexion of the toes, plantarflexion of the foot

TRIGGER POINT(S)

• Location

Trigger points can be found along the length of the muscle, particularly in the middle portion of the calf

• Pain Referral Pattern

Pain may refer to the lower leg, ankle, and under the toes.

It can cause aching, burning, or sharp pain in the posterior calf, and may contribute to discomfort or restricted movement in the ankle and toes.

• Potential Causes

▫ Overuse or repetitive activities involving toe flexion and plantar flexion, such as running, walking, or certain sports.

▫ Poor footwear or improper foot mechanics.

▫ Muscle imbalances between the flexor digitorum longus and other lower leg muscles.

▫ Trauma or injury to the lower leg or foot area.

▫ Prolonged standing or sedentary lifestyle.

• Prevention Tips

▫ Use proper techniques and form during activities involving toe flexion and plantar flexion to avoid overloading the flexor digitorum longus.

▫ Incorporate regular stretching and strengthening exercises for the lower leg and foot muscles.

▫ Ensure proper warm-up and cooldown routines before and after exercise.

▫ Maintain good posture and ergonomics during daily activities.

▫ Wear appropriate footwear that provides good support and fit to avoid muscle strain.

▫ Avoid prolonged periods of standing without movement.