Gianna

What connective tissue attaches a muscle to a bone? 1. Cartilage 2. Ligament 3. Myocyte 4. Tendon - ANSWER Tendon The sarcolemma in striated muscle tissue plays a significant role in muscular contraction. What is the primary function of the sarcolemma? 1 .The primary function of the sarcolemma is to pump Ca2+ ions into and out of a muscle cell. 2. The primary function of the sarcolemma is to conduct electrical signals, via transduction, signaling the release of Ca2+ ions. 3. The primar...

The pelvis is located _______________ to the patella. - ANSWER superior Which of the following is the smallest contractile unit of skeletal muscle? myosin epimysium sarcolemma sarcomere - ANSWER sarcomere Which of the following describes Type I muscle fibers? rapid force development capabilities fatigue resistant with high aerobic energy supply inefficient and easily fatigable high myosin ATPase activity - ANSWER fatigue resistant with high aerobic energy supply Which of the fol...

To what structures do the cross-bridges attach during muscle action? - ANSWER Actin Which substance regulates muscle actions? - ANSWER Calcium Which substance acts at the neuromuscular junction to excite the muscle fibers of a motor unit? - ANSWER Acetylcholine Which muscle fiber type is the MOST beneficial for a marathon runner? - ANSWER Type I When throwing a baseball, an athlete's arm is rapidly stretched just prior to throwing the ball. Which of the following structures detects ...

The athlete should maximize which of the following when performing this exercise? (Bodyweight jump lunge) knee flexion jump height shoulder extension - ANSWER jump height Which of the following cues is MOST appropriate to provide this athlete? (upright row) "Continue the current technique." "Widen the hand grip." "Narrow the foot stance" - ANSWER Continue the current technique Which of the following cues is MOST appropriate to provide this athlete? (weighted box step ups) "Pl...

what are the major muscles and muscle groups? Where are they located - ANSWER upper body: abdominal, pectoral, trapezius, latissimus dorsi, erector spinae, biceps, and triceps lower body: quadriceps, hamstrings, gastrocnemius, gluteus, soleus describe muscle organization from smallest to largest functional unit. Identify the components of the contractile unit. - ANSWER the sarcoplasm is the cytoplasm of the muscle fiber hundreds of myofibrils dominate sarcoplasm. molecular level: ac...

During the concentric phase of the low bar back squat, which of the following muscles acts as an antagonist to the gluteus maximus? a. quadriceps b. hamstrings c. psoas major - ANSWER c Which of the following muscle groups and types of muscle actions are associated with the downward phase of the dumbbell biceps curl? a. Primary group- elbow extensors, Primary action- eccentric b. Primary group- elbow flexors, Primary action- eccentric c. elbow flexors- concentric - ANSWER b Which of ...

Which of the following grips is used for the hammer curl exercise? - ANSWER closed, neutral All of the following are points of contact with the bench or the floor when an athlete is in the five-point body contact position EXCEPT: - ANSWER right hand If during the tire flip the athlete's hips rise faster than the shoulders during the initial pushing motion, what is an effective correction to give the athlete? - ANSWER keep the hips slightly below the shoulders in this position As the be...

Abrasion - ANSWER A scraping away of a portion of the skin or mucous membrane Acclimatize - ANSWER To physiologically adapt to an unfamiliar environment and achieve a new steady state Actin - ANSWER Thin contractile protein in a myofibril Action - ANSWER The stage of the transtheoretical model of behavioral change during which the individual started a new behavior less than six months ago Agonist - ANSWER The muscle directly responsible for observed movement also called the prime mov...

what are the two main divisions of the skeletal system? - ANSWER appendicular and axial the division of the nervous system concerned with control of skeletal muscle contractions is called the - ANSWER somatic nervous system in remodeling, which cell type lays down new matrix? - ANSWER osteoblasts the pelvis is located ______________ to the patella - ANSWER superior the vertebrae are an example of what type of bone? - ANSWER irregular which articulation is characterized by being ...

Which of the following substances regulates muscle actions? a. Potassium b. Calcium c. Troponin d. Tropomyosin - ANSWER b. Calcium Which of the following substances acts at the neuromuscular junction to excite the muscle fibers of a motor unit? a. Acetylcholine (ACH) b. ATP c. Creatine Phosphate d. Serotonin - ANSWER a. Acetylcholine (ACH) When throwing a baseball, an athlete's arm is rapidly stretched just before throwing the ball. Which of the following structures detects an...

The pelvis is located _______________ to the patella. a. inferior b. medial c. superior d. lateral - ANSWER c. superior Which of the following is the smallest contractile unit of skeletal muscle? a. myosin b. sarcomere c. epimysium d. sarcolemma - ANSWER b. sarcomere Which of the following describes Type I muscle fibers? a. inefficient and easily fatigable b. rapid force development capabilities c. high myosin ATPase activity d. fatigue resistant with high aer...

What is the recommended carb intake for marathon runners? - ANSWER 30-90g of multi-source carbs The phosphagen system is defined by which of the following? - ANSWER anaerobic alactic system Which of these counts as a dynamic stretch? - ANSWER inchworm In which percentage of the VO2 max should work intervals be executed for optimized High Intensity Interval Training outcomes? - ANSWER 90% Aerobic endurance athletes should follow what suggested carbohydrate intake/ kg of body mass? - A...

A college basketball coach would like to know which one of her players has the most muscular power. Which of the following is the MOST valid test for measuring muscular power? a. vertical jump b. 1RM bench press c. 5RM squat d. 100 m (109-yard) sprint - ANSWER a When measuring maximal strength of a soccer player , which of the following could potentially adversely affect the test-retest reliability of the results? I. using multiple testers II. retesting at a different time of day ...

How much carbs should an aerobic athlete consume within 30 minutes of exercise? - ANSWER 1.5 g/kg of BW For aerobic exercise, which training intensity and duration will have the greatest EPOC? - ANSWER 50-60% VO2 max, >40 minutes At 95% of 1 RM, how many reps are you allowed to perform? 87%? 80%? 75%? 67%? - ANSWER 2, 5, 8, 10, 12 What is the appropriate frequency of plyometric exercise for in-season football? - ANSWER 1 day/week What is the appropriate frequency of plyometric exe...

1. To which of the following structures do the cross-bridges attach during muscle action? a. actin b. myosin c. M-bridge d. sarcolemma - ANSWER actin 2. Which of the following substances regulates muscle actions? a. potassium b. calcium c. troponin d. tropomyosin - ANSWER calcium 3. Which of the following substances acts at the neuromuscular junction to excite the muscle fibers of a motor unit? a. acetylcholine b. ATP c. creatine phosphate d. serotonin - ANSWE...

Which of the following substances regulates muscle actions? potassium calcium troponin tropomyosin - ANSWER calcium Which of the following substances acts at the NMJ to excite the muscle fibers of a motor unit? acetylcholine ATP creatine phosphate serotonin - ANSWER acetylcholine When throwing a baseball, an athlete's arm is rapidly stretched just before throwing the ball. Which of the following structures detects and responds to that stretch by reflexively increasing muscle a...

Each muscle fiber is surrounded by a connective tissue called? - ANSWER Endomysium What is released from the sarcoplasmic reticulum into the myofibril, causing tension development in a muscle? - ANSWER Calcium ions that bind to troponin What type of muscular contraction occurs in the pectoralis major during the slow, controlled, downward phase of a bench press? - ANSWER Eccentric What is the thick structural protein inside the sarcomere? - ANSWER Myosin A muscle fiber that is small i...

A mathematical model is used to predict the trajectory of a bullet fired from a gun. Which discipline of physical science is used to develop this model? Physics Chemistry Earth science Astronomy - ANSWER Physics An environmental scientist monitors pollutants in a lake. Which two disciplines of physical science does this scientist use? Choose 2 answers Astronomy Chemistry Earth science Physics - ANSWER Chemistry & Earth Science Which study involves both Earth s...

Chemistry: - ANSWER The study of atoms and molecules, their structures, and their interactions to form various substances. Physics: - ANSWER The study of forces, energy and motion. Earth Science: - ANSWER This field focuses on Earth's structure and composition, as well as the processes that change Earth, such as volcanic and seismic activity. Physical Science: - ANSWER The scientific study of nonliving matter. Ex: chemistry, physics, and Earth science. Astronomy: - ANSWER The study ...

Physics - ANSWER The study of forces, energy, motion Chemistry - ANSWER The study of atoms and molecules, their structures, and their interactions to form substances Earth science - ANSWER The study of the Earth's structure and composition, and processes that change Earth essential attributes of science - ANSWER Studies the natural world Uses testable ideas Relies on data from observations/experiments Presented for evaluation by other scientists Leads to further questions/research ...