AFAA Group Fitness Instructor Test
Questions with correct Answers
2026/2027 A+ Graded 100% Verified
Interrelation of nervous, muscular, and skeletal systems to create movement - ANS
-Kinetic chain
brain and spinal cord, coordinates activity of body parts - ANS -Central nervous system
all nerves branching off spinal cord, extending out to the body - ANS -Peripheral
nervous system
sense distortion in body tissues - ANS -mechanoreceptors
mechanoreceptor that senses changes in tension - ANS -Golgi tendon organs
mechanoreceptor that senses changes in length - ANS -muscle spindles
cumulative sensory input to the CNS from all mechanoreceptors - ANS -proprioception
connect muscle to bone, anchor to produce force, limited blood flow, slow to repair -
ANS -tendons
individual contractile units, actin and myosin filaments - ANS -sarcomeres
slow twitch - more aerobic, slower to reach maximal contraction, resistant to fatigue -
ANS -type I muscles
more anaerobic, produce more speed and strength, faster to fatigue - ANS -type ii
muscles
extensibility, elasticity, irritability, ability to develop tension - ANS -behavioral properties
of muscles
stabilization muscles - core - ANS -transverse abdominus
stabilization - core - ANS -multifidus
stabilization - core - ANS -internal obliques
,stabilization - core - ANS -diaphragm
stabilization - core - ANS -pelvic floor muscles
stabilization - core - ANS -external obliques
stabilization - core - ANS -quadrates lumborum
stabilization - core - ANS -psoas major
stabilization - core - ANS -rectus abdominis
stabilization - core - ANS -gluteus medius
stabilization - core - ANS -adductor complex
movement - core - ANS -latissimus dorsi
movement - core - ANS -hip flexors
movement - core - ANS -hamstring complex
movement - core - ANS -quadriceps
movement - core - ANS -pectoralis major
movement - core - ANS -deltoids
movement - core - ANS -gluteus maximus
movement- core - ANS -triceps
movement - core - ANS -biceps
movement - core - ANS -erector spine
rectus femoris, vastus lateralis, medialis, and intermedius; knee extension; squat - ANS
-quadriceps: parts, function, and exercise
semitendinosus, semaimembranosous, biceps femoris; knee flexion, hamstrings curl -
ANS -hamstrings: parts, function, and exercise
plantar flexion, calf raise - ANS -gastrocnemius: function and exercise
, hip extension and external rotation, lunge (upward phase) - ANS -gluteus maximus:
function and exercise
spinal flexion, lateral flexion, and rotation; ball crunch - ANS -rectus abdominis: function
and exercise
shoulder flexion and horizontal adduction; push up - ANS -pectoralis major: function
and exercise
shoulder extension, adduction, and internal rotation; band row - ANS -latissimus dorsi:
function and exercise
elbow flexion, biceps curl - ANS -biceps: function and exercise
elbow extension; triceps extension - ANS -triceps: function and exercise
connect bone to bone, limited blood flow, slow to repair - ANS -ligaments
skull, rib cage, and vertebral column - ANS -axial skeleton
bones of upper and lower extremities - ANS -appendicular skeleton
movement, support, protection, blood production, mineral storage - ANS -skeletal
system functions
no joint cavity or connective tissue, little to no movement (e.g., sutures of the skull) -
ANS -non-synovial joint
produces synovial fluid, has joint cavity and connective tissue (gliding, condyloid, hinge,
saddle, pivot, ball-and-socket) - ANS -synovial joint
synovial; no axis of rotation, slides side-to-side, back and forth (e.g., carpals of the hand)
- ANS -gliding joint
synovial; condyles of one bone fit elliptical cavities of another, one plane of motion (e.g.,
knee) - ANS -condyloid joint
synovial; uniaxial; one plane of motion (e.g., elbow) - ANS -hinge joint
synovial; one bone fits like a saddle on another; two planes of motion (sagittal, frontal)
(thumbs are only ones in body) - ANS -saddle joint
synovial; one axis, transverse plane movement (e.g., radioulnar) - ANS -pivot joint
Questions with correct Answers
2026/2027 A+ Graded 100% Verified
Interrelation of nervous, muscular, and skeletal systems to create movement - ANS
-Kinetic chain
brain and spinal cord, coordinates activity of body parts - ANS -Central nervous system
all nerves branching off spinal cord, extending out to the body - ANS -Peripheral
nervous system
sense distortion in body tissues - ANS -mechanoreceptors
mechanoreceptor that senses changes in tension - ANS -Golgi tendon organs
mechanoreceptor that senses changes in length - ANS -muscle spindles
cumulative sensory input to the CNS from all mechanoreceptors - ANS -proprioception
connect muscle to bone, anchor to produce force, limited blood flow, slow to repair -
ANS -tendons
individual contractile units, actin and myosin filaments - ANS -sarcomeres
slow twitch - more aerobic, slower to reach maximal contraction, resistant to fatigue -
ANS -type I muscles
more anaerobic, produce more speed and strength, faster to fatigue - ANS -type ii
muscles
extensibility, elasticity, irritability, ability to develop tension - ANS -behavioral properties
of muscles
stabilization muscles - core - ANS -transverse abdominus
stabilization - core - ANS -multifidus
stabilization - core - ANS -internal obliques
,stabilization - core - ANS -diaphragm
stabilization - core - ANS -pelvic floor muscles
stabilization - core - ANS -external obliques
stabilization - core - ANS -quadrates lumborum
stabilization - core - ANS -psoas major
stabilization - core - ANS -rectus abdominis
stabilization - core - ANS -gluteus medius
stabilization - core - ANS -adductor complex
movement - core - ANS -latissimus dorsi
movement - core - ANS -hip flexors
movement - core - ANS -hamstring complex
movement - core - ANS -quadriceps
movement - core - ANS -pectoralis major
movement - core - ANS -deltoids
movement - core - ANS -gluteus maximus
movement- core - ANS -triceps
movement - core - ANS -biceps
movement - core - ANS -erector spine
rectus femoris, vastus lateralis, medialis, and intermedius; knee extension; squat - ANS
-quadriceps: parts, function, and exercise
semitendinosus, semaimembranosous, biceps femoris; knee flexion, hamstrings curl -
ANS -hamstrings: parts, function, and exercise
plantar flexion, calf raise - ANS -gastrocnemius: function and exercise
, hip extension and external rotation, lunge (upward phase) - ANS -gluteus maximus:
function and exercise
spinal flexion, lateral flexion, and rotation; ball crunch - ANS -rectus abdominis: function
and exercise
shoulder flexion and horizontal adduction; push up - ANS -pectoralis major: function
and exercise
shoulder extension, adduction, and internal rotation; band row - ANS -latissimus dorsi:
function and exercise
elbow flexion, biceps curl - ANS -biceps: function and exercise
elbow extension; triceps extension - ANS -triceps: function and exercise
connect bone to bone, limited blood flow, slow to repair - ANS -ligaments
skull, rib cage, and vertebral column - ANS -axial skeleton
bones of upper and lower extremities - ANS -appendicular skeleton
movement, support, protection, blood production, mineral storage - ANS -skeletal
system functions
no joint cavity or connective tissue, little to no movement (e.g., sutures of the skull) -
ANS -non-synovial joint
produces synovial fluid, has joint cavity and connective tissue (gliding, condyloid, hinge,
saddle, pivot, ball-and-socket) - ANS -synovial joint
synovial; no axis of rotation, slides side-to-side, back and forth (e.g., carpals of the hand)
- ANS -gliding joint
synovial; condyles of one bone fit elliptical cavities of another, one plane of motion (e.g.,
knee) - ANS -condyloid joint
synovial; uniaxial; one plane of motion (e.g., elbow) - ANS -hinge joint
synovial; one bone fits like a saddle on another; two planes of motion (sagittal, frontal)
(thumbs are only ones in body) - ANS -saddle joint
synovial; one axis, transverse plane movement (e.g., radioulnar) - ANS -pivot joint
