Unequal leg length
Unequal leg length
Classification & external resources
| ICD-10 |
M21.7 |
| ICD-9 |
736.81, 755.30 |
Unequal leg length or leg length inequality (LLI) refers to a medical condition where the legs are of different sizes.
One form is "leg length alignment asymmetry" (LLAA ) is a condition in physiology where one leg (the 'short leg', or unloaded leg) is unequal in length while in a supine or prone position (i.e., laying down).
LLAA can be either anatomical in nature (short bones due to growth or an accident) or neuromuscular (hypertonicity in the musculature of the pelvis or leg).[1]
References
- ^ Knutson, G. A. "Anatomic and functional leg-length inequality: A review and recommendation for clinical decision-making. Part II, the functional or unloaded leg-length asymmetry". Chiropractic & Osteopathy 2005, 13:12 doi:10.1186/1746-1340-13-12.
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Diseases of the musculoskeletal system and connective tissue (M, 710-739) |
| Arthropathies |
Arthritis (Septic arthritis, Reactive arthritis, Rheumatoid arthritis, Psoriatic arthritis, Felty's syndrome, Juvenile idiopathic arthritis, Still's disease) - crystal (Gout, Chondrocalcinosis) - Osteoarthritis (Heberden's node, Bouchard's nodes)
acquired deformities of fingers and toes (Boutonniere deformity, Bunion, Hallux rigidus, Hallux varus, Hammer toe) - other acquired deformities of limbs (Valgus deformity, Varus deformity, Wrist drop, Foot drop, Flat feet, Club foot, Unequal leg length, Winged scapula)
patella (Luxating patella, Chondromalacia patellae)
Protrusio acetabuli - Hemarthrosis - Arthralgia - Osteophyte |
Systemic connective
tissue disorders |
Polyarteritis nodosa - Churg-Strauss syndrome - Kawasaki disease - Hypersensitivity vasculitis - Goodpasture's syndrome - Wegener's granulomatosis - Arteritis (Takayasu's arteritis, Temporal arteritis) - Microscopic polyangiitis - Systemic lupus erythematosus (Drug-induced) - Dermatomyositis (Juvenile dermatomyositis) - Polymyositis - Scleroderma - Sjögren's syndrome - Behçet's disease - Polymyalgia rheumatica - Eosinophilic fasciitis - Hypermobility |
| Dorsopathies |
Kyphosis - Lordosis - Scoliosis - Scheuermann's disease - Spondylolysis - Torticollis - Spondylolisthesis - Spondylopathies (Ankylosing spondylitis, Spondylosis, Spinal stenosis) - Schmorl's nodes - Degenerative disc disease - Coccydynia - Back pain (Radiculopathy, Neck pain, Sciatica, Low back pain) |
| Soft tissue disorders |
muscle: Myositis - Myositis ossificans (Fibrodysplasia ossificans progressiva)
synovium and tendon: Synovitis - Tenosynovitis (Stenosing tenosynovitis, Trigger finger, DeQuervain's syndrome)
bursitis (Olecranon, Prepatellar, Trochanteric)
fibroblastic (Dupuytren's contracture, Plantar fasciitis, Nodular fasciitis, Necrotizing fasciitis, Fasciitis, Fibromatosis)
enthesopathies (Iliotibial band syndrome, Achilles tendinitis, Patellar tendinitis, Golfer's elbow, Tennis elbow, Metatarsalgia, Bone spur, Tendinitis)
other, NEC: Muscle weakness - Rheumatism - Myalgia - Neuralgia - Neuritis - Panniculitis - Fibromyalgia |
| Osteopathies |
disorders of bone density and structure: Osteoporosis - Osteomalacia - continuity of bone (Pseudarthrosis, Stress fracture) - Monostotic fibrous dysplasia - Skeletal fluorosis - Aneurysmal bone cyst - Hyperostosis - Osteosclerosis
Osteomyelitis - Avascular necrosis - Paget's disease of bone - Algoneurodystrophy - Osteolysis - Infantile cortical hyperostosis |
| Chondropathies |
Juvenile osteochondrosis (Legg-Calvé-Perthes syndrome, Osgood-Schlatter disease, Köhler disease, Sever's disease) - Osteochondritis - Tietze's syndrome |
| See also congenital conditions (Q65-Q79, 754-756) |
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