paralysis of the muscles of the lower face, arm, and leg on one side of the body often cause by a stroke or brain injury.
What is Hemiplegia?
An Automatic and involuntary actions the body produces in response to certain stimuli.
What is Reflexe?
These specialized neurons release acetylcholine into the synaptic cleft, enabling muscle contraction
What are lower motor neurons?
This condition involves the inflammation of a peripheral nerve and can be caused by infection or injury.
neuritis?
This part of the peripheral nervous system connects the brain and spinal cord to the rest of the body.
somatic nervous system?
This nerve is the largest in the human body and controls the muscles of the thigh and lower leg.
sciatic nerve?
A condition where the median nerve is compressed at the wrist, leading to numbness and tingling in the hand.
carpal tunnel syndrome?
This is the insulating layer that surrounds the axons of some neurons, increasing the speed of electrical transmission.
myelin?
This disorder results in the loss of sensation and motor control, often following a viral infection, particularly in young children.
Guillain-Barré syndrome?
A condition where a nerve is pinched, often in the spine, causing pain that radiates along the path of the nerve.
herniated disc or sciatica?
The abilities and mechanisms through which we control and coordinate our muscle movements. It involves various brain regions, including the cortex, basal ganglia, and cerebellum. These systems of the brain and spinal cord is responsible for maintaining the body’s posture and balance
What is the Motor function?
It provides instructions to the cerebral motor cortex and subcortical motor centres, resulting in smooth, coordinated movement there by our body to maintain proper balance and posture
Functions of Cerebellum
These specialized cells in the skin detect pain and temperature sensations.
What are free nerve endings?
This area of the brain processes sensory information related to pain, temperature, and crude touch.
What is the somatosensory cortex?
This type of nerve fiber transmits sensory information such as pain, temperature, and touch to the central nervous system.
afferent fibers?
This structure is the first relay station in the brain for sensory information coming from the body, except for olfactory signals.
What is the thalamus?
These specialized neurons release acetylcholine into the synaptic cleft, enabling muscle contraction
What are lower motor neurons?
These muscle fibers, located within muscle spindles, play a key role in detecting changes in muscle length and sending sensory information to the central nervous system.
What are intrafusal muscle fibers?
The primary function of this system is to adjust the sensitivity of muscle spindles to stretch. This helps maintain muscle tone and allows the body to detect changes in Muscle length.
Gamma system
This autoimmune disorder causes progressive muscle weakness due to the loss of communication between nerves and muscles.
myasthenia gravis?
a group of subcortical structures found deep within the white matter of the brain. They form a part of the extrapyramidal motor system and work in tandem with the pyramidal and limbic systems.
What are the basal ganglia, or basal nuclei?
This reflex refers to the specific stretch reflex that occurs within the muscle primarily responsible for producing a particular movement. When this muscle is stretched, its muscle spindles are activated, triggering the stretch reflex mechanism. The result is a contraction of the same muscle to resist further stretching, helping maintain muscle control and stability.
What is the agonist stretch Reflex
These tracts are part of the motor control system in the nervous system. This system primarily controls involuntary and automatic functions, such as posture, balance, coordination, and muscle tone. These tracts include several pathways that originate in subcortical regions like the basal ganglia, brainstem, and cerebellum.
What is extra- Pyramidal tracts.
This reflex refers to the interaction between opposing muscles during a reflex action. In this context, the muscle that opposes the action of the opposite muscle. When the stretch reflex occurs in the opposite muscle, the counter reflex helps ensure smooth and coordinated movement by inhibiting the antagonist muscle. This is achieved through a process called reciprocal inhibition, which is controlled by the spinal cord.
What is the antagonist reflexes?
Gamma motor neurons adjust intrafusal muscle fiber tension, while Alpha Motor Neurons control extrafusal muscle contractions, both contributing to this physiological key aspect of muscle function
What is Muscle tone?