Knee injuries are a common, frequently painful medical condition that can impact people of all ages and activity levels. The knee joint is a complex structure comprised of bones, ligaments, tendons, and cartilage, all of which cooperate to support and facilitate a range of movements. However, the knee may suffer injuries from a variety of sources, including…
What is Rigidity? Rigidity refers to a condition characterized by an increased resistance to passive movement, which remains constant regardless of the position or velocity of the movement. This type of muscular hypertonia is distinct from other forms of muscle stiffness, such as spasticity, where resistance varies with the speed of motion. Many authors use…
Lumbar radiculopathy refers to a condition where the spinal nerve roots in the lower back, specifically the lumbar region, are compressed or irritated. This compression can result from various factors, such as herniated discs, bone spurs, degenerative disc disease, or spinal stenosis. Definition The condition known as lumbar radiculopathy is an inflammation of a nerve root in…
The condition known as vestibular neuritis damages the inner ear’s vestibulocochlear nerve. This nerve transmits data from your inner ear to your brain regarding your head posture and balance. When the vestibular nerve in your inner ear is swollen or gets inflamed, vestibular neuritis develops. Your brain’s ability to process information is disrupted when this nerve…
What is a Spasticity? One aspect of upper motor neuron syndrome is spasticity, a motor condition characterized by a velocity-dependent increase in tonic stretch reflexes (muscle tone) with heightened tendon jerks as a result of the stretch reflex’s hyperexcitability. Lance’s 1980 physiological definition of spasticity is the most well-known and frequently used explanation of the…
What is a Deltoid Muscle Pain? Deltoid muscle pain is a common complaint that can significantly impact daily activities and overall quality of life. The deltoid muscle, located on the uppermost part of the arm and shoulder, plays a crucial role in various movements such as lifting, rotating, and stabilizing the arm. Pain in this…
Bell’s palsy is a disorder that results in a sudden weakening of one side of the face’s muscles. Usually, the weakness is temporary and gets better over a few weeks. The weakening gives the face a drooping appearance on half of it. It’s possible that you won’t be able to close your eyes or that…
What is Posterior Pelvic Tilt? Posterior pelvic tilt refers to a condition where the pelvis rotates backward, causing the lower back to flatten and the hips to thrust forward. This alteration in pelvic positioning can lead to a cascade of musculoskeletal imbalances and discomfort. Typically, the pelvis is in a neutral position when standing, allowing…
Introduction The hamstring is a group of 3 muscles located at the back of the thigh. These muscles include the biceps femoris, semitendinosus, and semimembranosus. Together, they play a crucial role in various movements of the hip and knee, such as walking, running, and jumping. The hamstrings are a group of three muscles that primarily…
Introduction Four muscles in the front of the thigh are called the quadriceps, or quads. They are some of the body’s biggest and most powerful muscles. The quadriceps muscles allow you to stand, walk, run, squat, and jump. They are some of the strongest muscles in the body and together they comprise most of the…
