Midterm 1

Question 1

four characteristics of muscles

Answer 1

extensibility, elasticity, excitability, and contractility

Question 2

extensibility

Answer 2

the ability for the muscle to be stretched

Question 3

elasticity

Answer 3

the ability of the muscle to return to its normal length after being stretched

Question 4

excitability

Answer 4

the ability of the muscle to receive a stimulus

Question 5

contractility

Answer 5

the ability of the muscle to receive a stimulus and contract

Question 6

tendons

Answer 6

dense, cordlike connective tissue that attach muscle to bone; transmit tension from muscle to muscle and assist in providing movement

Question 7

ligaments

Answer 7

dense connective tissue that connect bones across joints; stabilize and support the joints by holding bones in place

Question 8

fascia

Answer 8

a thin membrane that surrounds the bones, muscles, and body organs; helps muscles to change shape and length during movements and allows for muscles to be transmitted without hurting other tissue

Question 9

fast twitch fibers

Answer 9

individual muscle fibers that contract quickly and fatigue quickly

Question 10

slow twitch fibers

Answer 10

individual muscle fibers that contract slowly and are slow to fatigue

Question 11

muscle strength

Answer 11

the maximum amount of force that a muscle or group of muscles can produce during one contraction

Question 12

muscle endurance

Answer 12

the ability of a muscle or muscle groups to perform repeated contractions for a period of time

Question 13

neural adaptations

Answer 13

enable an increase in muscle strength and size

Question 14

deltoids

Answer 14

in your shoulder; helps you move your arms in different directions; dumbbell shoulder press

Question 15

pectoralis major

Answer 15

chest; adduction or depression of the arm and rotation of the arm; bench press

Question 16

rectus abdominis

Answer 16

top layer of abdominal muscles; move the body between the ribcage and the pelvis; crunches

Question 17

biceps

Answer 17

top of the arm in the front; flexion of the elbow, forearm, and shoulder; bicep curl

Question 18

external oblique

Answer 18

outermost abdominal muscles; compression of abdomen, flexion/rotation of vertebral column; bicycle crunch

Question 19

internal oblique

Answer 19

lateral side of the abdomen; compression of abdomen, flexion/rotation of vertebral column; mountain climbers

Question 20

iliopsoas

Answer 20

inner muscles of the hip; external rotation of the leg and flex your hip; lunges

Question 21

adductors

Answer 21

inner thighs; bring your legs toward the center of your body; side lunge

Question 22

quadriceps

Answer 22

front of the thigh; flexion of the femur and extension of the knee femur; squats

Question 23

sartorious

Answer 23

runs down the thigh; flexes the hip, abducts, and rotates the thigh; step ups

Question 24

anterior tibialis

Answer 24

front of the leg near the shins; flexes the foot; toe raises

Question 25

trapezius

Answer 25

triangular muscle extending over the back of the neck and shoulders; moves the head and shoulder blade; deadlift

Question 26

latissimus dorsi

Answer 26

back; moves shoulders and arms; rows

Question 27

tricep

Answer 27

top of arm on the back; extension of the elbow joint; bench dips

Question 28

gluteus medius

Answer 28

upper buttock; stabilizes the pelvis and maintains the trunk upright when standing on one leg, running, and walking when one leg is off the ground; glute bridges

Question 29

gluteus maximus

Answer 29

buttock; moves the thigh and extends the hip; squats

Question 30

gastocnemius

Answer 30

calf; flexes the knee and foot; calf raises

Question 31

hamstrings

Answer 31

thighs; extend the hip and flex the knee; kettlebell swing

Question 32

soleus

Answer 32

runs from below the knee to the heel on the back of the leg; flexion of foot; calf raise