Intro to Ex Phys
Who was the founder of the Harvard Fatigue Labortatory?
David Bruce Hill (D.B Hill)
Name of the Filaments
Actin & Myosin
Type I
What is the definition of an eccentric contraction?
Muscle lengthens while producing force
Where is the world cup being held next year?
USA, Canada & Mexico
Winner of the Nobel Prize in 1921, Conducted first physiolological studies on runners
Archibald.V Hill (A.V Hill)
Adenosine Triphosphate (ATP)
What occurs in the muscle during the relaxed state?
No Actin-Myosin interactions occur
What is the definition of concentric contraction?
Muscle shortens while producing force
What muscle fiber types did Usain Bolt Primariliy train?
Type IIx
Developed methods of measuring oxygen use during exercise & is known for his work in human physiology and respiration.
John S. Haldane
Basic Contractile element of skeletal muscle
Sarcomere
What is the name of the protein that is responsible for release of calcium ions for muscle contractions?
Troponin
What muscle fiber types require less motor units?
Type I
What is the mascot for the Boston Bruines?
What is the definition of Exercise Physiology?
Study of how body structure and function are altered by exposure to acute and chronic bouts of exercise.
What is the structure order of the muscle? (Largest to smallest)
Muscle > Fasiculi > Muscle Fiber > Myofibril
What is the term called for the order of muscle fiber recruitment?
Size Principle
What is the order of muscle recruitment?
How many gold medals does Michael Phelps have?
23
What part of the muscle filament attaches to actin to create a cross-bridge fro muscle contraction?
Myosin head
What is energy storage molecule that helps to regenerate ATP, the energy source for muscle contraction?
Creatine Phosphate
What muscle contraction is happening during the lowering part of a squat?
Eccentric Contraction
Which sport has the most frequency of concussions?
Mixed Martial Arts (MMA)