Third class lever - Study guides, Class notes & Summaries

What is an agonist? Answer: Prime mover QUESTION What is an antagonist? Answer: Opposes action of the prime mover QUESTION What is a synergist? Answer: An "assistant" or "helper" muscle to the agonist QUESTION What is a fixator? Answer: Stabilizes muscles QUESTION What is the origin? Answer: Point of origin for a muscle with NO movement QUESTION What is the insertion Ans...

When compared to a classic lever system, the synovial joints of our Musculoskeletal system play the role of the _________? A. Weight B. Force C. Fulcrum D. Lever E. Resistance - Answer-C. Fulcrum. Which of the following event will occur when depolarizing graded potential's reach the membrane of the axon Hillock, causing its membrane potential to reach threshold? A. Ligand-gated Ca++ channels close rapidly B. Voltage-gated Ca++ channels open rapidly C. Ligand-gated Na+ channels close ...

NSCA CSCS EXAM REVIEW QUESTIONS AND ANSWERS, 100% ACCURATE, RATED A+ explain the basic energy systems available to supply ATP during exercise understand lactate accumulation, metabolic acidosis, and cellular manifestations of fatigue Describe the sliding-filament theory of muscular contraction: 1 Describe both the macrostructure and microstructure of muscle and bone Neuromuscular system Steps of Muscle Contraction Describe the specific morphological and physiological characteristics of d...

Follicle cells in the ovary secrete ________ when stimulated by FSH. A) estrogen B) gonadotropins C) inhibin D) testosterone E) progesterone ~ A The zona fasciculata of the suprarenal cortex produces A) glucocorticoids. B) androgens. C) epinephrine. D) norepinephrine. E) mineralocorticoids. ~ A Parathyroid hormone does all of the following, except that it doesn't A) stimulate osteoclast activity. B) stimulate the formation and secretion of calcitriol at the kidneys. ...

BIOS 252 COMP EXAM QUESTIONS AND ANSWERS 100% VERIFIED. When compared to a classic lever system, the synovial joints of our Musculoskeletal system play the role of the _________? A. Weight B. Force C. Fulcrum D. Lever E. Resistance - correct answer. C. Fulcrum. When compared to a classic lever system, the synovial joints of our Musculoskeletal system play the role of the _________? A. Weight B. Force C. Fulcrum D. Lever E. Resistance - correct answer. C. Fulcr...

Bodybuilding Final Exam Questions And Answers (Verified And Updated) This type of muscle blends into tendinous insertions that attach to bones, pulling them, which produces the desired movement. a. skeletal muscle b. swoll muscle c. cardiac muscle d. smooth muscle - answera. skeletal muscle Muscle are connected to bones by what? a. ligaments b. tendons c. science is still investigating d. motor units - answerb. tendons What type of muscle fibers are referred to as coach potato fiber...

Chapter 11 The Muscular System Multiple Choice Questions 1) Muscles that guard entrances and exits of internal passageways are ________ muscles. A) parallel B) convergent C) pennate D) bipennate E) circular 2) In a ________ muscle, the fascicles are concentrically arranged around an opening. A) convergent B) parallel C) straight D) pennate E) circular 3) The type of muscle whose functional characteristics most closely resemble those of its muscle fibers is the ____ muscle. A) penn...

ISSA Strength and Conditioning Review Exam Questions And Answers force - ANS A push or a pull/mass x acceleration dynamics - ANS systems in motion with acceleration statics - ANS systems at rest with no acceleration kinematics - ANS study of motion lever - ANS A rigid bar that is free to move around a fixed point speed - ANS how fast an object is moving axis - ANS point of rotation around which a lever moves first class lever - ANS fulcrum in the mi...

When compared to a classic lever system, the synovial joints of our Musculoskeletal system play the role of the _________? A. Weight B. Force C. Fulcrum D. Lever E. Resistance - Answer-C. Fulcrum. Which of the following event will occur when depolarizing graded potential's reach the membrane of the axon Hillock, causing its membrane potential to reach threshold? A. Ligand-gated Ca++ channels close rapidly B. Voltage-gated Ca++ channels open rapidly C. Ligand-gated Na+ channels close ...

The three common types of mechanisms are levers, ______, and inclined planes.Answer - wheels The metric system expresses force in ______.Answer - newtons A spring scale is used to measure ______.Answer - force The English unit of measure of weight is the ______.Answer - pound-force (lb-f) The Law of Moments can be used to determine ______.Answer - both the force needed to balance OR force needed to move a load Torque can be calculated by multiplying the distance from the...