Subclavian tenderness and referred pain to the scapular region of the back—what could be the cause?

Generally, subclavicular tenderness and pain radiating to the back and scapula are mainly caused by muscle fatigue, sports injuries, soft tissue injuries, fasciitis, or periarthritis of the shoulder. If discomfort occurs, timely medical consultation is recommended. Detailed analysis is as follows:

1. Muscle Fatigue

Prolonged maintenance of the same posture without adequate rest can lead to the accumulation of metabolic products such as lactic acid, causing muscle pain and tightness. Appropriate rest, regular changes in posture, and stretching and relaxation exercises for the shoulder and neck muscles, such as heat application and massage, can help relieve muscle tension and fatigue.

2. Sports Injury

Intense exercise or improper exercise techniques may cause injury to muscles or ligaments, resulting in subclavicular tenderness and radiating pain to the back and scapula. Discontinue physical activity, apply cold compresses to stimulate the skin's cold receptors, causing local vasoconstriction, thereby reducing blood supply and exudation at the inflamed site, which helps alleviate swelling and pain.

3. Soft Tissue Injury

Soft tissues surrounding the clavicle and scapula may be compressed, strained, or sprained, leading to local congestion, edema, and pain, with possible symptoms such as localized swelling and bruising. Under the guidance of a qualified physician, patients may use medications such as ibuprofen sustained-release capsules, diclofenac diethylamine gel, and aspirin tablets for treatment.

4. Fasciitis

Fasciitis may be related to chronic muscle strain, cold exposure, trauma, immune factors, etc. Aseptic inflammation of the fascia around the clavicle and scapula causes localized pain, stiffness, and tenderness, possibly accompanied by muscle tension or spasms. It is recommended to follow medical advice and use medications such as tetrandrine tablets, meloxicam tablets, and swelling and pain-relieving plasters for treatment.

5. Periarthritis of the Shoulder

Lack of long-term physical activity, weather changes causing cold exposure, and frequent lifting of heavy objects are common triggers of periarthritis of the shoulder. The shoulder area connects with the clavicle and scapula; therefore, periarthritis of the shoulder may also cause pain in the subclavicular region and the scapular area of the back, possibly accompanied by restricted movement and increased pain. Patients should follow medical advice and use medications such as loxoprofen sodium tablets, promoting blood circulation and analgesic capsules, and celecoxib capsules for treatment.

Applying heat to the painful area using a warm towel or hot water bag is recommended to help improve blood circulation and relieve pain.