PIRIFORMIS
• Origin
Anterior surface of sacrum
• Insertion
Greater trochanter of the femur
• Agonist(s)
- Gluteus maximus, medius an minimus
• Antagonist(s)
- Adductor magnus
• Function
Hip external rotation, hip abduction, hip extension
TRIGGER POINT(S)
• Location
Trigger points can be found along the length of the muscle, particularly in the middle portion.
• Pain Referral Pattern
Pain may refer to the buttocks, hip, and sometimes down the back of the thigh to the knee and even the calf.
It can cause aching, burning, or sharp pain in the buttocks, and may contribute to discomfort or restricted movement in the hip and lower back.
Pain Pattern
• Potential Causes
• Overuse or repetitive activities involving hip external rotation and abduction, such as running, walking, or certain sports.
• Prolonged sitting or sedentary lifestyle.
• Muscle imbalances between the piriformis and other hip muscles.
• Trauma or injury to the hip or lower back area.
• Compression or irritation of the sciatic nerve, sometimes referred to as piriformis syndrome.
• Prevention Tips
• Use proper techniques and form during hip external rotation and abduction exercises to avoid overloading the piriformis.
• Incorporate regular stretching and strengthening exercises for the hip and gluteal muscles.
• Ensure proper warm-up and cooldown routines before and after exercise.
• Maintain good posture and ergonomics during daily activities.
• Ensure balanced strength training to avoid muscle imbalances.
• Avoid prolonged sitting and take regular breaks to move and stretch.