Scapular Body, Acromion, and Scapular Spine Fractures
The scapula (shoulder blade) can fracture in several distinct locations, each with its own causes, symptoms, and treatment considerations. Below is detailed guidance on three specific types of scapular fractures: the scapular body, the acromion, and the scapular spine.
Scapular Body Fractures
What Is Scapular Body Fracture?
The scapula, also called the shoulder blade, is a large, flat bone located on the back of the shoulder. It serves as the attachment point for many muscles that move and stabilize the shoulder. A scapular body fracture is a break through the main portion of the shoulder blade.
Scapular fractures are uncommon because the shoulder blade is well protected by surrounding muscles and the chest wall. Most occur after significant trauma, such as a motor vehicle accident or a fall from height.
Causes
Common causes include:
- Motor vehicle or motorcycle accidents
- Falls from a significant height
- High-energy sports injuries
- Direct blows to the back or side of the shoulder
- Crush injuries
Because these injuries usually result from high-energy trauma, other injuries to the chest, ribs, lungs, collarbone, or spine may also be present.
Symptoms
Symptoms may include:
- Severe pain over the back of the shoulder
- Swelling and bruising
- Pain with any shoulder movement
- Difficulty lifting the arm
- Tenderness over the shoulder blade
- Pain when taking a deep breath if rib injuries are also present
Diagnosis
Your orthopedic specialist will perform a thorough examination and obtain imaging studies that may include:
- X-rays
- CT scan to better define the fracture pattern
- MRI if associated muscle, tendon, or ligament injuries are suspected
Because scapular fractures often occur after major trauma, additional imaging may be necessary to evaluate for other injuries.
Non-Surgical Treatment
Most scapular body fractures heal very well without surgery because the surrounding muscles naturally help hold the fracture in place.
Treatment typically includes:
- Sling immobilization for comfort
- Ice and pain medication
- Early gentle shoulder motion as pain improves
- Physical therapy to restore motion, strength, and function
Surgical Treatment
Surgery is less commonly required but may be recommended if:
- The fracture is significantly displaced
- The shoulder girdle becomes unstable
- Multiple fractures affect shoulder function
- The fracture extends into the shoulder joint
When surgery is needed, the fracture is carefully realigned and stabilized using specially designed plates and screws.
Recovery
Most patients recover well with appropriate treatment.
Typical recovery includes:
- Sling for 2-4 weeks
- Physical therapy beginning once pain allows
- Bone healing in approximately 8-12 weeks
- Continued improvement in strength and motion over 6-12 months
Most patients eventually return to normal daily activities, work, and recreational sports.
Acromion Fractures
What Is Acromion Fracture?
The acromion is the bony projection on the top of the shoulder that forms the roof over the shoulder joint. It is part of the scapula (shoulder blade) and provides attachment for important shoulder muscles and ligaments.
An acromion fracture is a break in this portion of the shoulder blade.
Causes
Acromion fractures may occur after:
- Falls directly onto the shoulder
- Motor vehicle accidents
- Contact sports injuries
- Bicycle accidents
- Direct blows to the shoulder
Occasionally, an acromion fracture can occur from stress on weakened bone following shoulder replacement surgery or in individuals with osteoporosis.
Symptoms
Patients commonly experience:
- Pain on the top of the shoulder
- Swelling and tenderness
- Pain when raising the arm
- Weakness
- Difficulty sleeping on the affected side
- Occasionally a visible deformity
Diagnosis
Diagnosis typically includes:
- Physical examination
- Shoulder X-rays
- CT scan when additional detail is needed
- MRI if associated rotator cuff injuries are suspected
Non-Surgical Treatment
Many acromion fractures heal successfully without surgery.
Treatment may include:
- Sling immobilization
- Ice and anti-inflammatory medications when appropriate
- Gradual range-of-motion exercises
- Physical therapy
Surgical Treatment
Surgery may be recommended if:
- The fracture is significantly displaced
- The fracture narrows the space beneath the acromion and may pinch the rotator cuff
- The fracture fails to heal (nonunion)
- The shoulder loses normal function
Surgery generally involves repositioning the fracture and securing it with plates and screws.
Recovery
Recovery depends on the severity of the fracture.
Typical recovery includes:
- Sling for 3-6 weeks
- Gradual rehabilitation
- Bone healing within 8-12 weeks
- Full recovery often takes 6-12 months
Most patients return to normal activities once healing is complete.
Scapular Spine Fractures
What Is Scapular Spine Fracture?
The scapular spine is the ridge of bone that runs across the back of the shoulder blade. It separates important shoulder muscles and serves as an attachment point for the deltoid and trapezius muscles.
Fractures of the scapular spine are uncommon but can significantly affect shoulder function.
Causes
Scapular spine fractures may occur from:
- High-energy trauma
- Falls
- Motor vehicle accidents
- Direct blows to the shoulder
They may also occur as stress fractures following reverse total shoulder replacement, particularly in patients with osteoporosis or weakened bone.
Symptoms
Symptoms include:
- Pain across the back and top of the shoulder
- Difficulty lifting the arm
- Weakness
- Swelling and tenderness
- Pain with overhead activities
- Reduced shoulder function
Patients who have previously undergone reverse shoulder replacement may notice a sudden increase in pain and decreased ability to lift the arm after what seems like a minor injury.
Diagnosis
Evaluation may include:
- Physical examination
- X-rays
- CT scan to define the fracture
- MRI in selected patients
Early diagnosis is particularly important after shoulder replacement surgery because these fractures may initially be difficult to detect.
Non-Surgical Treatment
Many minimally displaced fractures can heal without surgery.
Treatment may include:
- Sling immobilization
- Activity modification
- Pain management
- Physical therapy after healing has begun
Surgical Treatment
Surgery may be recommended when:
- The fracture is significantly displaced
- The fracture does not heal
- Shoulder function is severely affected
- The fracture compromises the function of a shoulder replacement
Surgery typically involves fixation with specialized plates and screws, although treatment decisions are individualized based on the patient’s bone quality, activity level, and overall health.
Recovery
Recovery generally includes:
- Sling for 4-6 weeks
- Gradual physical therapy
- Bone healing over 8-12 weeks
- Improvement in strength and function over 6-12 months
Patients recovering from fractures associated with reverse shoulder replacement often require a slower rehabilitation program to protect healing bone.
When Should You See an Orthopedic Specialist?
You should seek prompt medical evaluation if you experience:
- Severe shoulder pain after a fall or accident
- Difficulty moving your shoulder or arm
- Significant swelling or bruising
- A visible deformity
- Pain that does not improve
- New weakness following shoulder replacement surgery
Early evaluation allows your orthopedic specialist to determine the best treatment plan and reduce the risk of long-term complications.
Why Choose Midwest Orthopedic and Musculoskeletal Alliance?
The fellowship-trained orthopedic surgeons at Midwest Orthopedic and Musculoskeletal Alliance have extensive experience treating both routine and complex shoulder fractures. Whether your injury can be treated without surgery or requires advanced reconstruction, our team provides comprehensive care using the latest imaging technology, modern surgical techniques, and personalized rehabilitation programs. Our goal is to relieve pain, restore shoulder function, and help you safely return to work, sports, and the activities you enjoy.
Schedule Your Shoulder Blade Fracture Consultation
If you have experienced a shoulder blade fracture or significant shoulder injury, contact Midwest Orthopedic and Musculoskeletal Alliance today at 414-384-6700. Our team in Southeastern Wisconsin is here to help.
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