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Leg Stress Fracture, Tibia
Liver Injury
Neck Dislocation
Neck Fracture
Neck Sprain
Neck Strain
Nose Injury
Pelvis Strain, Hip-Trunk
Pelvis Strain, Ischium
Perineum Contusion
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Rib Fracture
Rib Sprain
Rib Strain
Shoulder-Blade (Scapula) Bursitis
Shoulder-Blade (Scapula) Contusion
Shoulder-Blade Fracture, Acromion
Shoulder-Blade (Scapula) Fracture, Coracoid Process
Shoulder-Blade (Scapula) Fracture, Glenoid Fossa
Shoulder-Blade (Scapula) Fracture, Neck
Shoulder-Blade (Scapula) Strain
Shoulder Bursitis, Gleno-Humeral
Shoulder Bursitis, Subacromial
Shoulder Contusion
Shoulder Dislocation
Shoulder Sprain, Acromio-Clavicular
Shoulder Sprain, Gleno-Humeral
Shoulder Strain
Shoulder Tendinitis & Tenosynovitis
Skin Abrasion
Skin Laceration
Skin Puncture Wound
Spine Fracture, Lower Thoracic & Lumber Region
Spine Fracture, Sacrum
Spine Fracture, Tailbone
Spine Stress-Fracture, Neck or Back
Spleen Rupture
Thigh-Bone Fracture
Thigh Contusion
Thigh Hematoma
Thigh Injury, Hamstring
Thigh Strain, Quadriceps
Thigh Strain
Thumb Fracture
Thumb Sprain
Toe Dislocation
Toe Exostosis
Toe Fracture
Tooth Injury & loss
Wrist Contusion
Wrist Dislocation, Lunate
Wrist Dislocation, Radius or Ulna
Wrist Ganglion
Wrist Sprain
Wrist Strain
Wrist Tenosynovitis

Shoulder Sprain, Acromio-Clavicular

Violent overstretching of the acromio-clavicular ligaments in the shoulder where it meets the collarbone (clavicle). Sprains involving two or more ligaments cause considerably more disability than single-ligament sprains. When the ligament is overstretched, it becomes tense and gives way at its weakest point, either where it attaches to bone or within the ligament itself. If the ligament pulls loose a fragment of bone, it is called a sprain-fracture.

There are 3 types of sprains:

  • Mild (Grade I) - Tearing of some ligament fibers. There is no loss of function.
  • Moderate (Grade II) - Rupture of a portion of the ligament, resulting in some loss of function.
  • Severe (Grade III) - Complete rupture of the ligament or complete separation of ligament from bone. There is total loss of function. A severe sprain requires surgical repair.

Body Parts Involved

  • Acromlo-clavicular ligaments of the shoulder and collarbone.
  • Tissue surrounding the sprain, including blood vessels, tendons, bone, periosteum (covering of bone) and muscles.


  • Downward stress on the shoulder that temporarily forces the shoulder bones away from the collarbone.
  • Falling on an outstretched hand or on the point of the elbow.

Signs & Symptoms

  • Severe pain at the time of injury.
  • A feeling of popping or tearing inside the shoulder.
  • Tenderness at the injury site.
  • Swelling In the collarbone and shoulder.
  • Bruising that appears soon after injury.


Note:- Follow your doctor's instructions. These instructions are supplemental.

First Aid

Use instructions for R.I.C.E., the first letters of rest, ice, compression and elevation.

Continuing Care

If the doctor does not apply a cast, sling, tape or elastic bandage:

  • Continue using an ice pack 3 or 4 times a day. Place ice chips or cubes in a plastic bag. Wrap the bag in a moist towel, and place it over area. Use for 20 minutes at a time.
  • Wrap the injured shoulder with an elasticized bandage between treatments.
  • After 72 hours, apply heat instead of ice, if it feels better. Use heat lamps, hot soaks, hot showers, heating pads, or heat liniments or ointments.
  • Take Whirlpool treatments,if available.
  • Massage the shoulder and collarbone gently and often to provide comfort and decrease swelling.


  • For minor discomfort, you may use:

Aspirin, acetaminophen or ibuprofen.

Topical liniments and ointments.

  • Your doctor may prescribe:

Stronger pain relievers.

Injection of a long-acting local anesthetic to reduce pain.

Injection of a corticosteroid, such as triamcinolone, to reduce inflammation.

Home Diet

During recovery, eat a well-balanced diet that includes extra protein, such as meat, fish, poultry, cheese, milk and eggs. Increase fiber and fluid intake to prevent constipation that may result from decreased activity.

Diagnostic Measures

  • your own observation of symptoms.
  • Medical history and exam by a doctor.
  • X-rays of the shoulder, elbow and collarbone to rule out fractures.   
Prevention Tips
  • Build your strength with a conditioning program appropriate for your sport.
  • Warm up before practice or competition.
  • Wear protective equipment appropriate for your sport.
  • To prevent reinjury, tape vulnerable joints before practice or competition.

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