Why Does My Shoulder Hurt Only When I Lower My Arm?
Your shoulder may get hurt during downward movements because the damaged shoulder tendons get pinched or strained. This pain often points to rotator cuff irritation, shoulder impingement, or tendon inflammation. Other than that, lowering the arm places an eccentric load on the stabilizing shoulder muscles, which increases stress inside the joint space.
At Total Orthopedics & Sports Medicine, our doctors perform functional tests, range of motion assessments, and strength testing to identify the cause of shoulder pain. If these assessments do not provide a clear diagnosis, we utilize imaging-guided examinations and diagnostic ultrasound to confirm the exact diagnosis. Call 855-321-6784 to book your appointment.
What Causes Shoulder Pain During Arm Movement?
Shoulder impingement and rotator cuff injuries are the most common causes of shoulder pain during arm movement. In fact, SAGE Pub reports that 44–65% of patients with shoulder pain are diagnosed with shoulder impingement syndrome. Sometimes, bursitis or tendon tears from repetitive use also place extra stress on the shoulder. These conditions increase irritation inside the joint space and trigger severe pain.
In addition, here are some common causes of sudden shoulder pain without injury during arm movement:
- Frozen shoulder (adhesive capsulitis) due to capsule thickening and stiffness
- Shoulder arthritis from cartilage wear and inflammation
- Labral tears cause clicking, locking, or deep shoulder joint pain
- Previous injury, dislocation, or trauma affecting joint stability
Can Subacromial Bursitis Cause Shoulder Pain While Lowering The Arm?
Yes, subacromial bursitis can cause shoulder pain when lowering your arm, as it creates irritation within the joint space. When your bursa gets inflamed, it restricts smooth shoulder movement and triggers a painful arc. As you lower your arm, the inflamed bursa is compressed between the upper arm bone and the shoulder blade. This compression increases at mid-range (of lowering your arm) because the joint space narrows during controlled lowering, which intensifies pain and irritation.
Does Glenohumeral Arthritis Increase the Risk of Shoulder Pain?
Yes, glenohumeral arthritis increases the risk of shoulder pain. This is because cartilage loss reduces cushioning inside the joint, which allows the bones to rub during arm movement. When this friction increases, it causes pain and stiffness, which limit smooth motion during movement. Over time, this bone contact produces grinding or clicking sensations as the arm moves.
Additionally, a BMJ study found that adults over 70 had 16.6 times higher risks of developing glenohumeral osteoarthritis (GO) related shoulder pain. The study also showed that a higher body mass index increased the risk of GO by up to 1.78 times, which further contributes to movement-related shoulder pain.
How Does Eccentric Tendon Loading Trigger Shoulder Pain?
Eccentric tendon loading causes shoulder pain when the applied force on the shoulder exceeds the tendon’s capacity (to handle load) during controlled arm lowering. In this lengthening phase, the tendon works against gravity to slow movement. This additional load significantly increases internal tendon tension. As gravity pulls the arm downward, excessive tension builds within the irritated or weakened tendon. This overload creates small areas of tissue damage, which trigger pain specifically during the lowering motion.
Can a SLAP Tear Lead to Shoulder Pain During Arm Movement?
Yes, a SLAP tear can cause shoulder pain during arm movements. The labrum keeps the shoulder in its center and supports the biceps tendon. When it gets torn, you may experience deep joint pain that worsens with movement. You may also notice clicking or popping during motion as the torn labrum shifts inside the joint.
Additionally, your symptoms often get worse during the following activities:
- Overhead movements
- Reaching behind your head or back
- Throwing or forceful pushing motions
- Carrying heavy items away from your body
- Sudden arm movements during sports or exercise
When Do Doctors Recommend an Ultrasound for Shoulder Pain?
Doctors recommend an ultrasound for shoulder pain when you have a suspected rotator cuff injury, especially after a sports activity. They also utilize ultrasound to determine whether a rotator cuff tear is partial or complete, which helps guide treatment decisions. In some cases, doctors use ultrasound to visualize the movement of the rotator cuff tendons during arm motion, which helps diagnose shoulder impingement.
At Total Orthopedics & Sports Medicine, our board-certified physiatrist, Dr. Luis Alejo, uses a detailed, hands-on approach to assess shoulder pain. He performs focused physical examinations to assess rotator cuff strength, movement patterns, and joint stability before. When needed, Dr. Alejo also uses diagnostic ultrasound to confirm tendon tears or impingement during motion. Book a consultation today to receive an accurate diagnosis and a personalized treatment plan.
Can Manual Therapy Reduce Shoulder Pain During Arm Movement?
Yes, manual therapy can help reduce shoulder pain during arm movement as it improves the coordination between the joint and muscles. Joint mobilization restores normal bone glide, which supports smooth and pain-free arm motion. Similarly, hands-on techniques also reduce muscle guarding by calming protective spasms. Manual therapy also improves scapular rhythm, which is essential for coordinated arm movement.
According to a Springer study, 32 participants were divided into two equal groups to compare treatment effects. One group received manual therapy, while the control group followed standard care without manual intervention. The manual therapy group showed statistically significant improvement after treatment (p < 0.05). Although both groups improved their functional capacity (p < 0.005), only the manual therapy group experienced a significant reduction in pain and an improvement in scapular motion.
How Do Scapular Stabilization Exercises Reduce Shoulder Stress?
Scapular stabilization exercises help reduce shoulder stress by improving control of the shoulder blades during arm movement. These exercises help keep the shoulder blades aligned at the correct shoulder level, which limits excess strain on tendons. As a result, scapular control reduces muscle overuse in the upper shoulder and allows for smooth, more comfortable arm movement.
Here are some common scapular exercises that can reduce stress on the shoulder during arm movements:
- Serratus punches: Improve serratus anterior activation to stabilize the shoulder blade during lifting
- Wall slides: Promote upward rotation and controlled scapular movement
- Scapular retractions: Reduce upper trapezius overcompensation and improve posture
- Y-raises: Support balanced muscle engagement during arm elevation
Total Orthopedics & Sports Medicine Can Help You Diagnose Shoulder Pain With Advanced On-Site Imaging — Book a Visit Now!
Misdiagnosis of shoulder pain can turn mild soreness into constant discomfort, limiting your shoulder movement. This is because the exact source of pain remains untreated, which may lead to stiffness, weakness, or rotator cuff tendinitis. At Total Orthopedics & Sports Medicine, our doctors review your medical history and perform a complete physical examination and ultrasounds to identify the exact shoulder problem.
After diagnosis, we recommend targeted treatment options, such as steroid injections, anti-inflammatory medications, and corticosteroid injections, to relieve pain. Moreover, to ensure a smooth treatment process, we accept a wide range of insurance plans and offer transparent self-pay options. Visit 1789 Sheepshead Bay Rd, Brooklyn, NY 11235, or call 855-321-6784 to assess your shoulder conditions.
FAQs
How to Tell if Shoulder Pain Is Impingement or Rotator Cuff?
Shoulder impingement typically causes a localized, dull ache that worsens when lifting objects or lowering your arm. In contrast, rotator cuff pain occurs inside the joint and may extend down the upper arm during movement. Additionally, weakness or night pain in the affected shoulder often indicates involvement of the rotator cuff.
How to Get Rid of Shoulder Impingement?
You should start with rest to limit activities that worsen pain and increase tenderness. Moreover, apply an ice pack, which helps reduce swelling and calm inflamed tissue. To improve your strength and mobility, you should perform guided exercises that help you find relief from pain and prevent recurring symptoms.
Can Poor Posture Cause Shoulder Pain When Lowering My Arm?
Yes, poor posture can cause shoulder pain by altering normal joint alignment. Slouched posture increases muscle weakness and disrupts control around the ball-and-socket joint. This imbalance alters joint positioning during arm motion, increasing strain and triggering pain as the arm is lowered. Over time, these changes contribute to chronic shoulder pain.
What Exercises Should I Avoid if Lowering My Arm Causes Pain?
You should avoid exercises that place stress on the shoulders, such as overhead presses, lat pulldowns, and upright rows, as they can worsen symptoms. Bench dips and V raises also increase joint strain during controlled lowering. These movements accelerate wear and tear when tissues are already irritated. Moreover, you should also avoid exercises that force deep stretching or unstable motion.
Does Icing or Heat Help Shoulder Pain When Lowering the Arm?
Yes, applying ice for 20 minutes at a time can help reduce shoulder pain, especially after a minor injury. It also reduces swelling around fluid-filled sacs and irritated tendons. Additionally, this cooling effect helps limit inflammation caused by overuse or bone spurs. However, you should avoid applying ice if it causes irritation on your skin.
What Are the Warning Signs of a Serious Shoulder Injury?
You may have a serious shoulder injury if you experience severe pain, significant swelling, or visible deformity after movement or impact. You should also seek medical attention if you experience reduced range of motion or weakness during normal activities. Moreover, difficulty lifting or lowering the arm also indicates involvement of the tendon or joint, which requires immediate treatment.
How Long Does Shoulder Impingement Take to Heal?
Shoulder impingement usually takes three to six months to heal with proper treatment and activity modification. However, severe cases can take up to twelve months. As symptoms begin to improve, returning to light activities is often possible within two to four weeks. Still, the overall recovery duration depends on the severity of the injury, tissue irritation, and the consistency of treatment.
