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ACSM Certification Review Chapter 1
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Gravity
Terms in this set (27)
The maintenance of an open airway during esophageal distention is provided by what
Trachea
Producing red blood cells, protecting organs and tissues, and providing support for the body are all functions of what tissue?
Bones
What is a contractile protein in skeletal muscle?
Myosin
Which type of bone consists of a central cylindrical shaft, or diaphysis, and has an epiphysis at each end?
Long bone
Which movement decreases the joint angle and occurs in a sagittal plane around a mediolateral axis?
Flexion
Which muscle group is a prime mover for extension of the knee?
Quadriceps femoris
A baseball pitcher complains of weakness in the lateral rotation muscles of the shoulder. Which muscle would you advise him to strengthen?
Teres minor
Cartilage is categorized as which type of connective tissue?
Supporting
Through which valve in the heart does blood flow when moving from the right atrium to the right ventricle?
Tricuspid valve
What is considered an abnormal curve in the spine with lateral deviation of the vertebral column in the frontal plance?
Scoliosis
Example of a "ball-and-socket" joint.
Hip
_____ the ability of a force to cause rotation of a lever.
Torque
Standard site for the measurement of skinfolds?
Biceps
Standard site for the measurement of circumferences?
Abdomen
The most common site used for measurement of the pulse during exercise:
Radial
Blood flows from the peripheral anatomy to the heart through the superior and inferior venae cava into what chamber?
Right atrium
Blood vessel composed of one cell layer and functions to exchange nutrients and waste materials between blood and tissues?
Capillary
Law of Intertia
A body at rest tends to remain at rest, whereas a body in motion tends to continue to stay in motion with consistent speed and in the same direction unless acted on by an outside force.
Why does running require greater muscular strength as compared with walking?
Because of greater number of muscles contracting more rapidly and with greater force
Who first described that a body immersed in fluid is buoyed up with a force equal to the weight of the displaced fluid?
Archimedes
What bone articulates proximally with the sternal manubrium and distally with the scapula and is helpful to palpate in electrode placement?
Clavicle
In regard to lifting and proper body mechanics, what position is described when the knees are slightly flexed and the body is bent forward from the hips with the back remaining straight and the chest and head up?
Ready position
The intervertebral disks have what characteristic?
Gelatinous inner nucleus portion
What does lowering the center of gravity do?
Increase stability
Which type of musculoskeletal lever is most common?
Third-class
What type of motion occurs when a force is applied off center to a freely moveable object?
Rotary
Characteristic of a second-class lever:
Resistance is located between the effort force and the axis
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