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AFAA Group Fitness Instructor Test || Already Passed.
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Interrelation of nervous, muscular, and skeletal systems to create movement correct answers Kinetic chain brain and spinal cord, coordinates activity of body parts correct answers Central nervous system all nerves branching off spinal cord, extending out to the body correct answers Peripheral...

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Document information

  • August 16, 2024
  • 25
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • interrelation of nervous muscular and skeletal s

Written for

  • AFAA GROUP FITNESS INSTRUCTOR
  • AFAA GROUP FITNESS INSTRUCTOR

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AFAA Group Fitness Instructor Test || Already Passed.
Interrelation of nervous, muscular, and skeletal systems to create movement correct answers
Kinetic chain

brain and spinal cord, coordinates activity of body parts correct answers Central nervous system

all nerves branching off spinal cord, extending out to the body correct answers Peripheral
nervous system

sense distortion in body tissues correct answers mechanoreceptors

mechanoreceptor that senses changes in tension correct answers Golgi tendon organs

mechanoreceptor that senses changes in length correct answers muscle spindles

cumulative sensory input to the CNS from all mechanoreceptors correct answers proprioception

connect muscle to bone, anchor to produce force, limited blood flow, slow to repair correct
answers tendons

individual contractile units, actin and myosin filaments correct answers sarcomeres

slow twitch - more aerobic, slower to reach maximal contraction, resistant to fatigue correct
answers type I muscles

more anaerobic, produce more speed and strength, faster to fatigue correct answers type ii
muscles

extensibility, elasticity, irritability, ability to develop tension correct answers behavioral
properties of muscles

stabilization muscles - core correct answers transverse abdominus

stabilization - core correct answers multifidus

stabilization - core correct answers internal obliques

stabilization - core correct answers diaphragm

stabilization - core correct answers pelvic floor muscles

stabilization - core correct answers external obliques

stabilization - core correct answers quadrates lumborum

,stabilization - core correct answers psoas major

stabilization - core correct answers rectus abdominis

stabilization - core correct answers gluteus medius

stabilization - core correct answers adductor complex

movement - core correct answers latissimus dorsi

movement - core correct answers hip flexors

movement - core correct answers hamstring complex

movement - core correct answers quadriceps

movement - core correct answers pectoralis major

movement - core correct answers deltoids

movement - core correct answers gluteus maximus

movement- core correct answers triceps

movement - core correct answers biceps

movement - core correct answers erector spine

rectus femoris, vastus lateralis, medialis, and intermedius; knee extension; squat correct answers
quadriceps: parts, function, and exercise

semitendinosus, semaimembranosous, biceps femoris; knee flexion, hamstrings curl correct
answers hamstrings: parts, function, and exercise

plantar flexion, calf raise correct answers gastrocnemius: function and exercise

hip extension and external rotation, lunge (upward phase) correct answers gluteus maximus:
function and exercise

spinal flexion, lateral flexion, and rotation; ball crunch correct answers rectus abdominis:
function and exercise

shoulder flexion and horizontal adduction; push up correct answers pectoralis major: function
and exercise

, shoulder extension, adduction, and internal rotation; band row correct answers latissimus dorsi:
function and exercise

elbow flexion, biceps curl correct answers biceps: function and exercise

elbow extension; triceps extension correct answers triceps: function and exercise

connect bone to bone, limited blood flow, slow to repair correct answers ligaments

skull, rib cage, and vertebral column correct answers axial skeleton

bones of upper and lower extremities correct answers appendicular skeleton

movement, support, protection, blood production, mineral storage correct answers skeletal
system functions

no joint cavity or connective tissue, little to no movement (e.g., sutures of the skull) correct
answers non-synovial joint

produces synovial fluid, has joint cavity and connective tissue (gliding, condyloid, hinge, saddle,
pivot, ball-and-socket) correct answers synovial joint

synovial; no axis of rotation, slides side-to-side, back and forth (e.g., carpals of the hand) correct
answers gliding joint

synovial; condyles of one bone fit elliptical cavities of another, one plane of motion (e.g., knee)
correct answers condyloid joint

synovial; uniaxial; one plane of motion (e.g., elbow) correct answers hinge joint

synovial; one bone fits like a saddle on another; two planes of motion (sagittal, frontal) (thumbs
are only ones in body) correct answers saddle joint

synovial; one axis, transverse plane movement (e.g., radioulnar) correct answers pivot joint

synovial; most mobile, all three planes of motion (e.g., shoulder) correct answers ball-and-socket

lumbar - L1-L5
thoracic - T1-T12
cervical - C1-C7 correct answers vertebrae

reduces bone mass loss and increases bone mineral density correct answers Exercise's effect on
bones

atria (right and left), ventricles (right and left), sinoatrial node, arteries, veins, stroke volume,
heart rate, functions of blood, respiratory pump correct answers Structures of the heart

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