- The primary calf muscle, which allows the foot and knee to flex : Gastrocnemius
- Unlike skeletal muscle, smooth muscle moves involuntarily. It is present in the walls of hollow organs like the bladder, uterus, and stomach. The heart, however, is made of cardiac muscle : Smooth Muscle
- A thin, dome-shaped sheet of muscle that plays a vital role in the breathing process. It also separates the abdomen and thorax cavities : Diaphragm
- Growth of cartilage on the surface of a bone : Exostosis
- Also known as spasm, this is an involuntary and ainful contraction of a muscle, which happens most often because of strain or fatigue : Cramp
- A flexible, firm, translucent white connective tissue found in various forms throughout the body : Cartilage
- One of two triangular muscles spreading over the shoulders and back of the neck, which helps the head move : Trapezius
- A medical practitioner focused on the identification, diagnosis, and treatment of neuromuscular conditions, with their primary focus on spinal adjustments and manipulation :Chiropractor
- A group of four muscles and tendons that stabilize the shoulder joint and allow the rotation and elevation of the arm : Rotator Cuff
- Wasting away and weakness of the muscles caused by a genetic disease or malnutrition : Muscular Dystrophy
- Tendon inflammation, generally caused by overuse, rheumatoid disease, or infection : Tendonitis
- Inability to easily move muscles and joints : Stiffness
- A violent twist of a ligament resulting in pain, swelling, and bruising. The most common locations for a sprain are the ankle and wrist : Sprain
- A cartilaginous tumor or growth : Chondroma
- Surgical repair or suturing of a muscle : Myorrhaphy
- A large muscle that covers the shoulder and forms its round contour : Deltoid
- Decreased power or abnormality of voluntary movements : Dyskinesia
- A muscle that has three attachments at the end, used most often in reference to the large muscle in the back of the arm : Triceps
- A lower calf muscle that helps the foot flex and point the toes downward : Soleus
- An autoimmune condition characterized by abnormally weak muscles, but non-atrophic : Myasthenia Gravis