Ace Physiotherapy and Sports in Singapore
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ACE PHYSIO SPORTS
East gate Building, 46 East Coast Road
#08-03 Singapore 428766 -
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Sunday (By prior appointment)
Pectoralis Major Strain
What is a pectoralis major strain?
A pectoralis major strain refers to a tear in the large muscle at the front of the chest, often caused by overstretching or overloading during activities such as weightlifting, especially bench pressing. Physiotherapy plays a key role in treating this condition
How does a pectoralis major strain occur?
A pectoralis major strain typically occurs when pushing a heavy object away from the chest, most commonly during weight training exercises such as the bench press. During this movement, the pectoralis major must generate large amounts of force to control and move the bar. If the muscle is overstretched or overloaded—particularly during the lowering phase of the exercise—it can exceed its capacity and result in a tear. This type of injury is more likely when lifting excessively heavy weights or using poor technique.
What are the symptoms of a pectoralis major strain?
The first sensation felt when the pectoralis major muscle is torn is sudden pain. This pain is usually felt at the front of the armpit and is sometimes felt across the chest. At the same time you may also feel something ‘tearing’ in your chest. In minor tears you may be able to continue participating with slight pain. However, as the muscle cools down, pain may gradually worsen as bleeding and swelling around the injured muscle takes place. The pectoralis major often becomes tight and stiff. Other symptoms include:
- Bruising and swelling around the chest and upper arm
- Weakness when pushing or lifting the arm, especially against resistance
- Tenderness at the front of the armpit or chest
- Muscle tightness or stiffness, especially after rest
- Visible deformity or a dip in the muscle contour in more severe tears
- Reduced shoulder mobility, particularly in horizontal or overhead movements
What should I do if I have a pectoralis major strain?
The first 24–48 hours following a pectoralis major strain are critical for effective initial treatment. During this period, most of the bleeding and swelling around the injured muscle occurs. Prompt management can help minimise tissue damage and support a quicker recovery.
Physiotherapy treatment for a pectoralis major strain.
Physiotherapy plays a vital role in the effective treatment of a pectoralis major strain. During your initial consultation, your physiotherapist will assess the extent of the injury and identify the specific tissues involved. This is especially important if a complete tear is suspected, as you may require referral to an orthopaedic surgeon or radiologist for further investigation or intervention. Based on the assessment findings, your physiotherapist will provide a likely timeframe for recovery and develop an individualised treatment plan tailored to your needs. Treatment may include:
- Activity modification and rest strategies
- Manual therapy to improve mobility and reduce muscle tightness
- Targeted strengthening exercises to restore muscle function
- Stretching techniques to improve flexibility
- Electrotherapy or ultrasound for pain relief and tissue healing
- Progressive return-to-exercise guidance to safely resume activity
What shouldn’t I do if I have a pectoralis major strain?
In the initial days following a pectoralis major strain, it is important to avoid activities that increase blood flow to the injured muscle. These include hot showers, stretching of the pectoralis muscle, application of heat rubs, massage, alcohol consumption, and excessive use of the affected arm. Engaging in these activities can prolong internal bleeding, increase swelling, and ultimately delay the healing process—leading to greater pain and a longer recovery period.
Could there be any long-term effects from a pectoralis major strain?
Most pectoralis major strains heal without complication within a few weeks. However, some injuries may lead to longer-term effects, depending on the severity and extent of the damage. Complete muscle tears often require surgical intervention to reattach the torn ends. If not diagnosed and treated early, these injuries can significantly delay recovery. Even minor tears can result in prolonged symptoms if not properly managed. Inadequate treatment may lead to persistent tightness and weakness in the pectoralis major, increasing the risk of reinjury upon returning to physical activity.
To arrange an appointment, please call +65 81535374 or visit acephysiosports.com.
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