Muscles & Joints
90 conditions
Neck Pain
Pain and stiffness in the neck, often caused by poor posture, strain, or underlying conditions.
Muscle Cramps
Sudden, involuntary contractions of one or more muscles.
Lower Back Pain
Pain in the lumbar region that can range from mild discomfort to debilitating, affecting daily activities and quality of life.
Knee Pain
Pain in or around the knee joint, common in people of all ages from injuries, arthritis, or overuse.
Shoulder Pain
Pain in or around the shoulder joint, often from rotator cuff problems, arthritis, or overuse.
Osteoarthritis (Joint Pain & Arthritis)
Degenerative joint disease causing pain, stiffness, and reduced function in joints like knees, hips, hands, and spine.
Hip Pain
Pain in or around the hip joint that can affect walking, sleeping, and daily activities.
Muscle Soreness & DOMS
Delayed onset muscle soreness (DOMS) and exercise-related muscle pain occurring 24-72 hours after physical activity.
Upper & Mid Back Pain
Pain in the thoracic spine region between the neck and lower back, often from poor posture or muscle strain.
Tennis Elbow (Lateral Epicondylitis)
Pain on the outer elbow from overuse of forearm muscles, common in racket sports, manual labor, and repetitive activities.
Carpal Tunnel Syndrome & Wrist Pain
Numbness, tingling, and pain in the hand from compression of the median nerve at the wrist.
Chronic Muscle Pain (Myalgia)
Persistent muscle aching and pain that lasts weeks to months, potentially from various underlying causes.
Bursitis
Inflammation of the bursae—small fluid-filled sacs that cushion bones, tendons, and muscles near joints.
Tendinitis (Tendonitis)
Inflammation or irritation of a tendon — the thick fibrous cord that attaches muscle to bone — causing pain, swelling, and restricted movement, commonly affecting shoulders, elbows, wrists, knees, and heels.
Statin-Related Muscle Pain
Muscle pain, weakness, or cramps associated with statin cholesterol-lowering medications.
Joint Stiffness (Morning & Cold Weather)
Stiffness in joints especially in the morning or cold weather, a common symptom of arthritis and aging.
Joint-Friendly Exercise & Muscle Building
Safe exercise approaches for building strength and fitness while protecting joints from injury and managing joint conditions.
Regenerative Joint Treatments
Emerging treatments like PRP, stem cells, and other biologics aimed at healing damaged joints and tissues.
Topical Pain Relief for Muscles & Joints
Creams, gels, and patches applied directly to skin for local relief of muscle and joint pain.
Joint Pain Prevention & Mobility
Strategies to prevent joint problems, maintain mobility, and support long-term joint health through lifestyle choices.
Sprains and Strains
Injuries to ligaments (sprains) or muscles/tendons (strains), usually from twisting or overstretching.
Sedentary Lifestyle
Physical inactivity causing fatigue, weakness, and health problems.
Overtraining Syndrome
Excessive exercise without adequate recovery causing fatigue and decreased performance.
Poor Posture & Ergonomic Fatigue
Physical fatigue from poor posture and ergonomic stress.
Gout
A form of inflammatory arthritis causing sudden, severe joint pain, usually in the big toe. Caused by high uric acid levels forming crystals in joints.
Osteoporosis
A bone disease where bones become weak and brittle, significantly increasing fracture risk from minor falls or even everyday activities.
Scoliosis
An abnormal lateral curvature of the spine that can develop during childhood growth spurts or in adulthood due to degeneration, causing uneven shoulders, hips, or back pain.
Herniated Disc (Slipped Disc)
A condition where the soft inner gel of a spinal disc pushes through a tear in the outer layer, potentially pressing on nearby nerves and causing pain, numbness, or weakness.
Bunions (Hallux Valgus)
A bony bump that forms at the base of the big toe when the joint becomes misaligned, causing the big toe to angle toward the other toes.
Carpal Tunnel Syndrome
A condition causing numbness, tingling, and weakness in the hand due to pressure on the median nerve in the wrist. One of the most common nerve disorders.
Frozen Shoulder (Adhesive Capsulitis)
A condition where the shoulder joint capsule becomes inflamed, thickened, and stiff, causing progressive pain and severe loss of range of motion that develops in three stages over 1-3 years.
Shin Splints (Medial Tibial Stress Syndrome)
Pain along the inner edge of the shinbone (tibia) caused by overuse, typically from running, jumping, or high-impact activities, resulting from stress on the bone, muscles, and connective tissue of the lower leg.
Trigger Finger (Stenosing Tenosynovitis)
A condition where a finger or thumb catches, clicks, or locks when bent and straightened, caused by inflammation and narrowing of the tendon sheath that allows the finger tendons to glide smoothly.
Costochondritis
Inflammation of the cartilage connecting the ribs to the breastbone (sternum), causing sharp chest pain that can mimic a heart attack but is musculoskeletal in origin and generally harmless.
Piriformis Syndrome
Piriformis syndrome occurs when the piriformis muscle in the buttock compresses or irritates the sciatic nerve, causing pain, tingling, and numbness that radiates from the buttock down the back of the leg.
De Quervain's Tenosynovitis
De Quervain's tenosynovitis is a painful condition affecting the tendons on the thumb side of the wrist, causing pain when gripping, pinching, turning the wrist, or making a fist — commonly known as 'texting thumb' or 'mommy thumb'.
Cubital Tunnel Syndrome
Cubital tunnel syndrome is a condition where the ulnar nerve is compressed or irritated at the elbow, causing numbness and tingling in the ring and little fingers, elbow pain, and hand weakness — the second most common nerve compression after carpal tunnel.
Meralgia Paresthetica
Meralgia paresthetica is a condition caused by compression of the lateral femoral cutaneous nerve, resulting in burning pain, numbness, and tingling on the outer thigh — often triggered by tight clothing, obesity, pregnancy, or prolonged standing.
IT Band Syndrome (Iliotibial Band Syndrome)
IT band syndrome (ITBS) is the most common cause of lateral (outer) knee pain in runners, caused by friction or compression of the iliotibial band as it crosses the outer knee — resulting in sharp pain that typically begins during running and worsens with continued activity.
Thoracic Outlet Syndrome
Thoracic outlet syndrome (TOS) is a group of conditions caused by compression of nerves, arteries, or veins in the thoracic outlet — the narrow space between the collarbone (clavicle) and the first rib — leading to pain, numbness, and weakness in the shoulder, arm, and hand.
Sacroiliac Joint Dysfunction
Sacroiliac (SI) joint dysfunction is a condition where the sacroiliac joint — the connection between the spine and the pelvis — becomes irritated, inflamed, or moves abnormally, causing lower back pain, buttock pain, and sometimes leg pain that mimics sciatica.
Facet Joint Syndrome
Facet joint syndrome is a common cause of back and neck pain resulting from degeneration, inflammation, or injury to the facet joints — the small stabilizing joints located on the back of each vertebra that guide and limit spinal movement.
Baker's Cyst (Popliteal Cyst)
A Baker's cyst (popliteal cyst) is a fluid-filled swelling that develops behind the knee, typically caused by excess synovial fluid from an underlying knee problem such as osteoarthritis, meniscus tear, or inflammatory arthritis — causing tightness, swelling, and pain behind the knee that worsens with activity.
Morton's Neuroma
Morton's neuroma is a painful condition affecting the ball of the foot, caused by thickening of the tissue around one of the nerves leading to the toes — most commonly between the third and fourth toes — producing sharp, burning pain, numbness, and a sensation of standing on a pebble or a fold in a sock.
Hip Labral Tear
A hip labral tear is damage to the labrum — the ring of cartilage that lines the rim of the hip socket (acetabulum) — causing groin pain, catching, clicking, and stiffness in the hip joint, commonly resulting from sports activity, structural hip abnormalities (femoroacetabular impingement), or degenerative wear.
Myofascial Pain Syndrome
Myofascial pain syndrome (MPS) is a chronic pain condition caused by trigger points — hyperirritable knots in taut bands of skeletal muscle or fascia — that produce localized and referred pain, muscle stiffness, and reduced range of motion, commonly affecting the neck, shoulders, and lower back.
Dupuytren's Contracture
Dupuytren's contracture is a progressive hand condition where thickened tissue (palmar fascia) forms cords beneath the skin of the palm, gradually pulling one or more fingers into a permanently bent position — most commonly affecting the ring and little fingers — making it difficult to straighten the hand, grip objects, or perform daily tasks.
Adhesive Capsulitis (Frozen Shoulder)
Adhesive capsulitis, commonly known as frozen shoulder, is a condition characterized by progressive stiffness, pain, and significant loss of range of motion in the shoulder joint caused by inflammation, thickening, and contracture of the joint capsule — typically progressing through freezing, frozen, and thawing stages over 1-3 years.
Medial Epicondylitis (Golfer's Elbow)
Medial epicondylitis, commonly known as golfer's elbow, is a painful overuse condition of the tendons that attach to the medial (inner) epicondyle of the elbow — causing pain on the inside of the elbow and forearm that worsens with gripping, wrist flexion, and forearm pronation activities.
Osgood-Schlatter Disease
Osgood-Schlatter disease is a common overuse condition in growing adolescents causing pain, swelling, and a visible bony bump just below the kneecap — where the patellar tendon attaches to the tibial tuberosity — typically affecting active children aged 10-15 during growth spurts.
Posterior Tibial Tendon Dysfunction (PTTD)
Posterior tibial tendon dysfunction (PTTD) is a progressive condition where the posterior tibial tendon — the primary tendon supporting the foot's arch — becomes inflamed, stretched, or torn, leading to progressive flatfoot deformity, inner ankle pain, difficulty walking, and eventual arthritis if untreated.
Sesamoiditis
Sesamoiditis is a painful inflammatory condition of the sesamoid bones — two small pea-sized bones embedded within the tendons beneath the big toe joint (first metatarsophalangeal joint) — causing pain under the ball of the foot that worsens with walking, running, and pushing off.
Thoracic Spondylosis
Thoracic spondylosis is degenerative disc disease and osteoarthritis of the thoracic spine (mid-back, T1-T12) — causing stiffness, aching mid-back pain, and reduced mobility that worsens with age and prolonged sitting, affecting the 12 vertebrae between the cervical (neck) and lumbar (lower back) spine.
Peroneal Tendonitis
Peroneal tendonitis is an overuse injury of the peroneal tendons that run along the outer (lateral) ankle and foot — causing pain behind and below the outer ankle bone, worsened by walking, running, and activities that stress the outside of the foot.
Trochanteric Bursitis (Greater Trochanteric Pain Syndrome)
Trochanteric bursitis, now more accurately called greater trochanteric pain syndrome (GTPS), is a common condition causing pain on the outside of the hip at the greater trochanter — the bony prominence on the outer upper thigh — resulting from inflammation of the bursa and/or degeneration of the gluteal tendons.
Tarsal Tunnel Syndrome
Compression of the tibial nerve as it passes through the tarsal tunnel behind the inner ankle, causing burning pain, tingling, and numbness in the sole of the foot.
Snapping Hip Syndrome (Coxa Saltans)
An audible or palpable snapping sensation in the hip during movement, caused by tendons or muscles sliding over bony prominences. Usually painless initially but can become painful with repetitive irritation.
Cervical Radiculopathy (Pinched Nerve in the Neck)
Compression or irritation of a nerve root in the cervical spine (neck), causing radiating pain, numbness, tingling, or weakness down the arm and into the hand.
Achilles Tendonitis (Achilles Tendinopathy)
Inflammation and degeneration of the Achilles tendon — the largest and strongest tendon in the body, connecting the calf muscles to the heel bone. Causes posterior heel and lower calf pain, especially with activity.
Shoulder Impingement Syndrome (Subacromial Impingement)
Compression of the rotator cuff tendons and subacromial bursa between the humeral head and the acromion bone, causing shoulder pain with overhead activities and reaching behind the back.
Lumbar Spinal Stenosis
Narrowing of the spinal canal in the lower back that compresses nerve roots, causing back pain, leg pain, numbness, and weakness — particularly with standing and walking, relieved by sitting or bending forward.
Rotator Cuff Tear
A partial or complete tear in one or more of the four rotator cuff tendons in the shoulder, causing pain, weakness, and limited range of motion. Most commonly affects the supraspinatus tendon.
Lumbar Radiculopathy
Compression or irritation of a nerve root in the lower back, causing pain, numbness, tingling, and weakness that radiates from the lower back down the leg following a specific nerve root pattern.
Biceps Tendonitis (Bicipital Tendinitis)
Inflammation or degeneration of the long head of the biceps tendon as it passes through the shoulder, causing anterior shoulder pain that may radiate down the front of the arm.
Patellofemoral Pain Syndrome (Runner's Knee)
Pain in the front of the knee, around or behind the kneecap, often related to running, squatting, or stair climbing. The most common cause of knee pain in active adolescents and young adults.
Meniscus Tear
A tear in the C-shaped cartilage cushion of the knee, causing pain, swelling, locking, and catching sensations. One of the most common knee injuries in both athletes and older adults.
ACL Tear (Anterior Cruciate Ligament Injury)
A tear of the anterior cruciate ligament — one of the four main ligaments stabilizing the knee. Common in cutting and pivoting sports, causing immediate swelling, instability, and inability to continue play.
Knee Osteoarthritis
Progressive degenerative cartilage disease of the knee causing chronic pain, stiffness, and functional limitation. The most common cause of disability from joint disease in older adults.
Patellar Tendonitis (Jumper's Knee)
Inflammation or degeneration of the patellar tendon connecting the kneecap to the shinbone. Most common in athletes who jump repeatedly — basketball, volleyball — causing pain just below the kneecap.
Hip Osteoarthritis
Progressive degenerative cartilage disease of the hip joint causing groin pain, stiffness, and progressive loss of function. The leading cause of total hip replacement surgery worldwide.
Stress Fracture
A small crack in a bone caused by repetitive force or overuse, common in runners and athletes. Most often affects the lower leg, foot, or hip — can progress to complete fracture if not properly treated.
Hamstring Strain
A tear of one or more of the three hamstring muscles at the back of the thigh, ranging from mild stretching to complete rupture. The most common muscle injury in sports involving sprinting and high-speed running.
Calf Strain
A tear in one of the two main calf muscles (gastrocnemius or soleus) at the back of the lower leg, common in athletes performing sprinting or jumping. Causes sudden sharp pain, often described as being "kicked" in the back of the leg.
Shoulder Dislocation
Complete displacement of the humeral head from the shoulder socket, causing severe pain, visible deformity, and inability to move the arm. The most commonly dislocated major joint in the body.
Pseudogout (Calcium Pyrophosphate Crystal Deposition)
A form of crystal-induced arthritis caused by deposition of calcium pyrophosphate dihydrate (CPPD) crystals in joints, causing acute attacks similar to gout but more commonly affecting the knees, wrists, and large joints in older adults.
Chondromalacia Patellae
Softening, fissuring, and breakdown of the cartilage on the back surface of the kneecap (patella), causing anterior knee pain. Often considered part of the patellofemoral pain syndrome spectrum but represents an actual structural cartilage abnormality.
Bunion (Hallux Valgus)
A bony bump that forms on the joint at the base of the big toe (first metatarsophalangeal joint) when the big toe deviates toward the second toe. Causes pain, deformity, and difficulty with shoe wear, affecting approximately 23% of adults.
Shoulder Bursitis (Subacromial Bursitis)
Inflammation of the subacromial bursa — the fluid-filled sac between the shoulder muscles and the bone above. Common cause of shoulder pain, especially with overhead activities. Often coexists with rotator cuff problems.
Turf Toe
A sprain of the main joint of the big toe (first metatarsophalangeal joint), commonly caused by jamming or hyperextending the big toe. Named for its prevalence on artificial turf surfaces. Common in American football, soccer, and other field sports.
Scaphoid Fracture
A break in the scaphoid bone, one of the small carpal bones in the wrist. The most common carpal bone fracture, typically from falls on outstretched hand. Often missed on initial X-rays — leading to serious complications if untreated.
Compartment Syndrome
A serious medical condition where increased pressure within a muscle compartment compromises blood flow and tissue function. Acute compartment syndrome is a SURGICAL EMERGENCY — without rapid treatment, muscle and nerve damage become permanent within hours.
Quadriceps Strain (Quad Strain)
A tear or stretching of the quadriceps muscles at the front of the thigh, common in athletes performing sprinting, kicking, or jumping activities. The rectus femoris is most commonly injured due to its biarticular function spanning hip and knee.
Lisfranc Injury (Midfoot Sprain/Fracture)
A serious injury to the joints and ligaments of the midfoot (Lisfranc joint complex). Often misdiagnosed as a simple sprain, but can result in long-term disability if missed. Named after a French surgeon who described the injury during the Napoleonic Wars.
Patellar Dislocation
Displacement of the kneecap (patella) from its normal position in the groove of the thighbone, typically dislocating laterally (toward the outside). Common in young athletes, particularly females. Recurrence is common without proper rehabilitation.
Hip Flexor Strain
A tear or stretching of the hip flexor muscles (iliopsoas group) at the front of the hip. Common in athletes performing sprinting, kicking, or sudden direction changes. The iliopsoas is the most powerful hip flexor and most commonly affected.
High Ankle Sprain (Syndesmotic Sprain)
An injury to the syndesmotic ligaments connecting the tibia and fibula above the ankle. Different from common lateral ankle sprains, high ankle sprains take significantly longer to heal and have higher complication rates if not properly treated.
Chronic Ankle Instability
A condition involving persistent ankle weakness, episodes of giving way, and recurrent sprains following an initial ankle injury. Develops in 20-40% of patients after their first ankle sprain. Affects athletes and active individuals significantly.
Skier's Thumb (UCL Tear)
Injury to the ulnar collateral ligament (UCL) of the thumb metacarpophalangeal joint. Named for the common skiing injury when ski pole forces the thumb into hyperabduction. Also called "Gamekeeper's Thumb" when chronic.
Elbow Bursitis (Olecranon Bursitis)
Inflammation of the olecranon bursa, the fluid-filled sac at the tip of the elbow. Often called "Popeye elbow" or "student elbow" due to the prominent visible swelling. Can be from trauma, prolonged pressure, infection, or systemic conditions.
Distal Biceps Tendon Rupture
Complete tear of the biceps tendon at its attachment to the radius bone (forearm), typically from forceful elbow flexion against resistance. Often produces a characteristic "Popeye" deformity and significant strength loss. Most commonly affects middle-aged men.
Other Categories
Note: The information on this page is for educational purposes only and should not be used for self-diagnosis or self-treatment. Always consult a healthcare professional for medical advice.