Diseases
Quadriplegia
Partial or total loss of function in all four limbs and the torso.
Orthopedic Surgeon
Diagnosis, treatment, and surgical intervention for musculoskeletal disorders, including muscle injuries, joint problems, and fractures.
What are the main factors that contribute to muscle fatigue?
Physical activity, health conditions, and aging
My/o
muscle
What is the energy needed for muscle contraction?
stored ATP
What is Carpal Tunnel Syndrome?
Irritation or damage inside the carpal tunnel in your wrist causes it when swelling presses on your median nerve
Kinesiologist
Studies human movement and muscle function to improve physical performance, rehabilitation, and ergonomics.
Why do muscles eventually become unable to contract?
Because it lacks the energy to do so
Kinesi/o
movement
What type of muscle forms the walls of hollow internal structures?
smooth
Amyotrophic lateral Sclerosis
ALS affects control of the muscles needed to move, speak, eat and breathe.
Physical therapist
Helps patients recover mobility and strength through exercise, therapy, and rehabilitation techniques.
Why does resting help muscles recover from fatigue?
By getting adequate rest, you'll prevent fatigue by letting your glycogen stores refill
Atrophy
Wasting away of muscles from nonuse
What is another name for a muscle cell?
muscle fiber
Fibromyalgia
A long-term condition that involves widespread body pain and tiredness
Occupational Therapist
Helps patients regain muscle function for daily activities after injury, illness, or disability.
How does exercise improve muscle endurance over time?
Individuals who train by exercising for a long time will develop better oxygen delivery to muscle and endurance capacity
contractility
the ability of muscle cells to shorten and generate a pulling force
What type of muscles have a striped appearance?
skeletal and cardiac
Duchenne Dystrophy
An inherited disorder of progressive muscular weakness, typically in boys.
Rheumatologists
Diagnoses and treats autoimmune and musculoskeletal diseases affecting muscles and joints, such as arthritis.
How does calcium contribute to muscle contraction?
Calcium causes a shift in the position of the troponin complex on actin filaments, which exposes myosin-binding sites
excitability
the ability of an electrical impulse to stimulate a muscle cell to contract
What is the neurotransmitter for muscle contraction?
acetylcholine (ACh)