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Chapter 14 Sports Injuries in Children and Adolescents Elliot M. Greenberg and Eric T. Greenberg Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Introduction • More than 38 million children participate in sports. • With participation is inherent risks. • Sports injuries in children include both traumatic and overuse conditions. • Account for about 25% of all childhood reported injuries Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Anatomic and Physiologic Differences of the Skeletal Immature Athlete • Bone composition – Presence of growth plates – Physeal fractures can be caused by overuse as well as trauma. – Present of apophysis (secondary growth centers) – Decreased muscle tendon flexibility during growth spurts – Advantage in bone healing Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Anatomic and Physiologic Differences of the Skeletal Immature Athlete—(cont.) • Muscular properties – Recent reports have shown that prepubescent children can demonstrate strength gains. – There is support for safe and effective strength training with supervision by a trained adult. – Decreased flexibility during growth spurt, which could lead to more injury. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Examination • History – Recent changes should be noted. – Nature of the injury – Use age-specific language. – Know the athlete’s playing position, level of player (recreational to elite), years of participation, and primary sport. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Physical Examination • Perform standardized examination principles • Ligamentous laxity in pediatrics should be respected. – 0/9 is normal, 9/9 is highly lax • Running examination in running athletes • Should include closed kinetic chain activities – Identifies sources of the pain, musculoskeletal malalignments, abnormal joint motion, muscle atrophy, and muscular weakness Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Physical Examination—(cont.) • Muscle testing should include functional movement testing – Functional tests provide information regarding balance, alignment, body awareness, strength, control, and core stability. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Upper Extremity Examination and Treatment • Shoulder – Include postural assessment – Note scapular position, thoracic kyphosis, and general appearance. – Shoulder movement • Overhead athletes have less internal rotation than external, and this can be normal if less than 20 degrees difference. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Upper Extremity Examination and Treatment— (cont.) • Elbow – Look at biomechanics of the transfer of movement from lower extremities to upper extremities. – Note any limitations in the biomechanical chain. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Upper Extremity Examination and Treatment— (cont.) • Scapular stabilization in an endurance capacity should be included in any upper extremity rehab program. • After the regaining of function, a return to throw program can be developed. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Treatment Planning • Begin exercising with the limb below shoulder level, within pain-free ROM prior to exercising above 90 degrees of shoulder elevation. • Scapulo-thoracic musculature, particularly posterior muscles such as middle and lower trapezii, is another important focus of quality rehabilitation. • Focus should be on stabilization and endurance. • The role of the core and hip/pelvic musculature in shoulder rehabilitation is also important. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Treatment Planning—(cont.) • Shoulder multidirectional instability (MDI) is another common problem in this age group. – Typically results from generalized ligamentous laxity – Recognition of this disorder and counseling regarding injury risk due to systemic ligamentous laxity will benefit the patient. • Traumatic dislocation that does not result in a tear of the antero-inferior glenoid labrum but simply stretches the capsule • Avoidance of horizontal glenohumeral extension Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Treatment Planning—(cont.) • Alter the position of the extremity during exercises. • Generalized shoulder pain resulting from overuse or rapid advancement of training protocols is often caused by tendinitis with secondary impingement. – Findings would be positive special test results, a tight posterior rotator cuff or shoulder capsule, weakness of the posterior scapulothoracic musculature and external rotators, and forward rounded shoulders. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins The Pediatric Throwing Athlete • Athletes are predisposed to certain injuries. • Principles can be applied to any overhead activity like volleyball, tennis, and swimming. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins “Little League” Shoulder • Encountered in the pediatric and adolescent athlete • Defined as a stress reaction or fracture of the proximal humeral physis • Plain films or bone scans are often used but are sometimes not definitive. • Palpatory tenderness over the physis is diagnostic if rotator cuff testing and other test results are negative. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins “Little League” Shoulder—(cont.) • Treatment for little league shoulder is primarily rest. • Review throwing mechanics. • Then ensure good balance and core strength/function. • Scapulothoracic strengthening • Gradually return to throwing program. • Modify throwing volume. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Superior Labrum Anterior to Posterior Lesions (SLAP) • Result of trauma and overuse • Throwing athletes are prone to this. • Can result in laxity in the shoulder • Treatment is rest followed by rehabilitation. • Surgical intervention may be necessary to return the athlete to their level of play. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Elbow Lesions Most elbow injuries require: • Rest • Gentle ROM • Strengthening • Slow return to sports when pain free Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Elbow Lesions—(cont.) • Little league elbow – Traction injury to medial epicondyle due to valgus stress during throwing – Pain during throwing • Panner disease – In kids 4 to 8 years old – Necrosis of the capitellum Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Elbow Lesions—(cont.) • Medial epicondyle apophysitis – Result of repetitive tensile forces • Medical epicondyle avulsion fracture – Stress which causes an avulsion • Ulnar collateral ligament injury – Cumulative trauma in young athletes Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Elbow Lesions—(cont.) • Osteochondritis dissecans (OCD) – Repetitive microinjury that leads to subcondral fractures – Conservative treatment – Surgical treatment may be indicated. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Other Shoulder Pathologies • Multidirectional instability – Caused by acute traumatic dislocation or by capsular laxity – Presents with bilateral shoulder pain with unstable feeling – Glenohumeral translation – May have associated impingements – Education and strengthening of shoulder stabilizers – Return to sport training should include activities that replicate the movement. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Other Shoulder Pathologies—(cont.) • Traumatic shoulder dislocation – Anterior is the most common direction – Fall in an abducted and externally rotated position – Conservative treatment is immobilization. – Treatment is based on symptoms. – Operative management varies. – Avoid aggressive ROM. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Other Shoulder Pathologies—(cont.) • AC joint separations – Caused by fall onto the shoulder • Clavicle fractures – Surgery only if displaced or comminuted – Immobilization 2 to 4 weeks – Slow return to sports Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Other Shoulder Pathologies—(cont.) • Supracondyle elbow fractures – Risk of neurovascular complications • Lateral condyle fractures • Monteggia fracture – Radial dislocation with an ulnar fracture Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Forearm, Wrist, and Hand Injuries • Fractures occur as a result of falls and can occur anywhere on the radius or ulna. • Usually treated with reduction and immobilization • Indications for surgery include open or unstable fracture or fractures that are not healing. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Forearm, Wrist, and Hand Injuries—(cont.) • Gymnast wrist – Pain from overuse – Restrict from activities for a period of time • Scaphoid fractures – Most common carpal bone fracture – Sometimes difficult to diagnose on first x-ray Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Forearm, Wrist, and Hand Injuries—(cont.) • Fracture of the Hook of the Hamate – Mistimed swing that translates forces • Boxer’s fracture – Fracture at the fifth metacarpal • Finger fracture – Majority are treated by closed reduction. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Pelvis, Hip, and Thigh Injuries • Examination principles – Detailed history – Mechanism of injury and location of pain – ROM – Muscle testing Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Pelvis, Hip, and Thigh Injuries—(cont.) • Pelvic apophysitis – Growth and immature skeleton lead to tensile forces on the pelvis – ASIS, AIIS, lesser trochanter, iliac crest, and greater trochanter – Well-localized dull pain with activity – Pain progresses with activity. – Treatment is rest and modification of activity. – Strengthening to the surrounding muscles Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Pelvis, Hip, and Thigh Injuries—(cont.) • Pelvic avulsion fractures – Unmanaged apophysitis in adolescents – Hear a “pop” – May require surgery • Snapping hip syndrome – Friction of the ITB – Can be internal or external – Treatment is conservative with emphasis on stretching. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Pelvis, Hip, and Thigh Injuries—(cont.) • Femoral stress fracture – Common in runners • Femoral acetabular impingement and labral tears – Abutment and approximation of the femoral head or neck with the acetabular ring – Deep hip and groin pain in the shape of a “C” – Reproduce pain with hip flexion, adduction, and internal rotation – Most often need surgical repair – Gradual and slow return to sport Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Pelvis, Hip, and Thigh Injuries—(cont.) • Muscle strains – Occur frequently and can cause apophyseal avultions – Hamstring strains are common. • Traumatic hip dislocation – In high-impact sports – Emergent situation • Slipped capital femoral epiphysis (SCFE) – Posterior slippage of the proximal epiphysis – More prevalent in boys who have increased BMI – Surgical fixation is required. – Protected weight bearing Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Pelvis, Hip, and Thigh Injuries—(cont.) • Legg–Calve–Perthes – Idiopathic osteonecrosis of the capital epiphysis of the femoral head presenting in males 4 to 8 years old – Lack of blood flow can lead to necrosis. – Present with pain and limping – Limitations in hip IR and abduction – Maintain hip mobility and limit pain – May require surgery if conservative treatment fails Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Knee Injuries • Examination – History – Mechanism of injury – Detailed pain assessment – Gait assessment Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Ligamentous Injuries • ACL injuries – Most severe and frequent activity-related injury – Can cause avulsion fractures more commonly in children – Treatment based on degree of injury – Surgical options – Post-op rehab focus on effusion management, maintaining knee extension, and restoration of quadriceps activation – Intensive rehab may take months to return to sports Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Ligamentous Injuries—(cont.) • ACL injury prevention – Risk increases for females – Risk increases for athletes above 10 – Injury prevention programs have developed Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Ligamentous Injuries—(cont.) • MCL injuries – Valgus stress to the knee – Usually from a fall from another athlete – Conservative management with a quicker return to sports Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Ligamentous Injuries—(cont.) • PCL injuries – Direct blow to the knee – Conservative management – Quad strengthening • LCL injuries – Rare in pediatrics – Seen with injury to the entire posterior capsule Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Intra-articular Injuries • Meniscus injury – Congenital “discoid” meniscus are more likely to develop a tear. – Pain, effusion, and snapping or clicking present – Tears in older children from twisting – Treatment depends on location. – Post-op rehab includes limited weight bearing and ROM. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Intra-articular Injuries—(cont.) • OCD – Knee is the most commonly involved joint. – Conservative management for the stable lesion – Rehab for strengthening – Surgery for unstable lesions – Rehab protocols vary depending on the surgery. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Intra-articular Injuries—(cont.) • Acute patellar dislocation and osteochondral fractures – Planting or twisting injuries – Osteochondral fractures typically occur. – Surgery for displaced fractures Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Overuse Injury • Patellofemoral pain syndrome – Caused by biomechanical alterations proximally and distally – Dull ache under the knee – Treatment focuses on removing the offending causes – Rest and pain-free activities – Adjunct treatment Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Overuse Injury—(cont.) • Patellar tendinopathy – Older adolescents with fused growth plates develop a tendinopathy. – Mechanical overuse – Relative rest – Stretching and flexibility • Plica syndrome – Irritation of the bands of synovial tissue lining the knee – Treatment is similar to patellofemoral pain syndrome. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Lower Leg Injuries • Shin splints – General term to describe pain in the lower leg – Includes: • Medial tibia stress syndrome • Pain along the anterio-medial plane of the distal to one-third of the tibia with running and jumping • Biomechanical contributing forces • Treatment is rest, followed by low-impact activities, followed by balance and dynamic control exercises. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Lower Leg Injuries—(cont.) • Tibial stress fracture – Activities that include repetitive loading to the lower leg – Contributing factors include improper training programs, high BMI, excessive pronation, and/or high or low arch. – Initially treated conservatively unless the athlete fails to improve, which leads to surgical management Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Lower Leg Injuries—(cont.) • Compartment syndrome – Emergent condition that results from acute trauma to the lower leg – Increase in pressure caused by soft tissue swelling – Fasciotomy may be performed. – Can be chronic, which can be very limiting Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Ankle Injuries • Most common site for injury – Ankle sprains • Most common is injury to the lateral ligament with an inversion and plantarflexion injury. • Syndesmotic “high sprain” occurs with medial ankle sprains with forced eversion • Treatment involves protection, rest, ice, compression, and elevation. • The severity of the injury dictates the treatment plan. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Ankle Injuries—(cont.) • Most common site for injury – Ankle fractures – Physeal fractures in children below age 12 is highly probably with lateral ankle injury. – Management includes cast followed by rehab program. – Triplane fractures in older children cause by forceful forces – Tillaux occurs when ATFL is avulsed. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Ankle Injuries—(cont.) • Ankle impingement – Causes by anterior, antereolateral, or posterior pain – Caused by formation of an osteophyte on the distal tibia – Posterior is caused by repetitive pointing of the toes. – Management is rest, NSAIDS, and surgical excision of the bone. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Foot Injuries • Overuse injuries – Varies depending on the athlete’s age – Achilles tendinitis and plantar fasciitis are seen in older athlete – Sever’s disease—pain along the calcaneus • Traction apophysitis of the calcaneus at the insertion of the Achilles tendon • Treatment is pain control, restoration of muscle flexibility, and strengthening of the foot. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Foot Injuries—(cont.) • Overuse injuries – Iselin • Traction apophysitis to the proximal fifth metatarsal • Pain along lateral foot • Rest and flexibility activities Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Foot Injuries—(cont.) • Overuse injuries – Tendinitis and plantar fasciitis • Pain along the Achilles tendon • Rest, stretching, orthotics, and balance activities • Tendonitis in posterior tibialis, flexor hallicus longus, and peroneal tendons can be seen. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Foot Injuries—(cont.) • Traumatic – Lisfranc (midfoot) injury • Tarsometatarsal joint • Low axial metatarsal load on a plantarflexed foot • Managed conservatively unless unstable • Return to sports may be questionable. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Foot Injuries—(cont.) • Bony abnormality – Tarsal coalition • Congenital malformation where two or more tarsal bones are fused • Mobility in the midfoot is restricted. – Accessory navicular • Congenital formation of a small ossicle next to navicular – Conservative and surgical treatments are available. – Activity modification and orthotics Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Forefoot Injuries—(cont.) • Fractures – Metatarsal fractures are a result of trauma with the fifth metatarsal being the most common. – May be seen in dancers – Jones fracture • Proximal diaphysis of the fifth metatarsal • Turf toe – Hyperextension injury to the first MTP – Ligamentous sprain Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Spine Injuries • General examination – Thorough examination – Onset, duration, and response – Posture – Palpation Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Spine Injuries—(cont.) • Spondylolysis – Fracture of the pars interarticularis of the lumbar spine – Most common • Spondylolisthesis – Anterior slippage of one vertebral body on another – L5-S1 is the most common site. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Spine Injuries—(cont.) • Treatment involves reducing the offending forces. • Utilize a TLSO or soft corset. • Core strengthening/stabilization • Balance between mobility and stabilization • Graded return to activity Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Other Spine Pathologies • Posterior element overuse syndrome – Refers to a constellation of conditions involving muscle tendons, ligaments, facet joints, and joint capsules that creates pain in the lower back – Treatment consists of rest, activity modification, and rehabilitation. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Other Spine Pathologies—(cont.) • Apophysitis – Mechanical pain that is irritated with repetitive motion of the spine • Stingers – Traction injury of the brachial plexus C-5 and C6 – Symptoms resolve quickly unless prolonged. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Sports-Related Concussion • 50% of all concussions go unnoticed. • Pathophysiology – Axonal injury and damage to mitochondria – If a second injury occurs prior to healing, then the brain is at higher risk. • Signs and symptoms Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Sports-Related Concussion—(cont.) • Risk factors – History of previous concussion 2 to 5 times greater risk – Type of sports – Age and brain maturity Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Sports-Related Concussion—(cont.) • Management and return to play – Assessment of consciousness – Sideline testing – Medical follow-up • Diagnosis and assessment – Neurophysiologic testing Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Sports-Related Concussion—(cont.) • Special considerations – Second impact – Postconcussion syndrome – Prevention Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Female Athlete – Hormonal changes produce a natural increase in body fat for girls and an increase in lean body mass for boys. – With maturation, boys develop larger muscle fibers than do girls. – Women present with less muscle strength than their male counterparts. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Female Athlete—(cont.) • After puberty, female athletes have lower maximal oxygen uptake due to physiologic cardiovascular differences. – Lower oxygen-carrying capacity of the blood, fewer red blood cells, lower hemoglobin content, smaller hearts, and lower stroke volume • In most endurance events, women cannot perform at the same level as men. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Musculoskeletal Injuries • Anatomic differences often predispose females to certain specific musculoskeletal conditions. – Wider pelvis, anteverted femurs, a larger Q angle, external tibial torsion, and increased ligament laxity • Women are therefore at higher risk for acquiring shoulder impingement, snapping hip syndrome, ACL rupture, patellofemoral pain syndrome, stress fractures, and metatarsal fractures. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Female Athlete Triad • Disordered eating, osteoporosis, and amenorrhea • Prevalence of eating disorders among female athletes is estimated at 15% to 62% of all participants. • Disordered eating represents a serious medical condition. • Fatigue, dizziness, cold intolerance, bradycardia, hair loss, and constipation may be observed. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Female Athlete Triad—(cont.) • Osteoporosis is diagnosed by dual-energy x-ray absorptiometry (DEXA) scans that measures bone mineral density. • When a DEXA scan measures bone mineral density that falls 2.5 standard deviations below the age norm for an individual, a diagnosis of osteoporosis is made. • A smaller decline in bone mineral density from 1 to 2.5 standard deviations below the norm is called osteopenia. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Female Athlete Triad—(cont.) • Maximize performance, improving health and nutrition, improving training, and deemphasizing weight and body size • Increasing muscle mass, balancing nutritional and energy needs, and performing appropriate sportspecific skills • Awareness and prevention of the female athlete triad is the best approach. – Requires education or reeducation of the majority members of society who influence female athletes’ goals, perceptions, and performance Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins Summary • Developing good exercise habits early in life establishes healthier lifestyles. • With the increases in youth recreational and competitive sports participation comes a heightened inherent risk of injury. • Proper prevention and education of parents and coaches is essential. • Though youth may participate in the same types of sports, there are important differences between the two which need to be respected. Copyright © 2015 Wolters Kluwer Health | Lippincott Williams & Wilkins