Muscle Physiology

Front 1

NAME THE FUNCTIONS OF MUSCULAR SYSTEM

Back 1

1-BODY MOVEMENT
2-POSTURE CONTROL
3-RESPIRATION
4-BODY HEAT
5-COMMUNICATION
6-ORGAN CONSTRICTION
7-HEART BEATS

Front 2

NAME FOUR FUNCTIONAL PROPERTIES OF MUSCLES

Back 2

1-CONTRACTILITY
2-EXCITABILITY
3-EXTENSIBLY
4-ELASTICY

Front 3

CONTRACTILITY

Back 3

SHORTEN FORCEFULLY,ACTIVE, CHEMICAL REACTION

Front 4

EXCITABILITY

Back 4

REACTS TO NERVE STIMULUS

Front 5

EXTENSIBILITY

Back 5

STRETCH, FLEXIBILITY, PASSIVE

Front 6

ELASTITY

Back 6

CAN RECOIL AFTER STRETCH TO ORIGINAL SHAPE

Front 7

MUSCLE FIBER

Back 7

BUNDLES OF MYOFIBRILS

Front 8

SARCOLEMMA

Back 8

PLASMA MEMBRANE COVERING MUSCLE FIBER

Front 9

SARCOMERES

Back 9

PART OF A MYROFIBRIL BETWEEN ADJACENT Z DISKS

Front 10

FASCICULUS

Back 10

BUNDLES OF MUSCLE FIBERS
( IT GIVES THE MUSCLE ITS SHAPE)

Front 11

MUSCLE FASCIA

Back 11

SEPARTES INDIVIDUAL MUSCLES OR GROUPS OF MUSCLES

Front 12

ACTIN

Back 12

THIN COILED FILAMENTS OF MULTIPE PRTEIN MOLECULES

Front 13

TROPOMYOSIN

Back 13

MOLECOLES COILED AROUND FILAMENT

Front 14

TROPONIN

Back 14

MOLECULES ARE SPACED AT THE ENDS OF TROPOMYOSIN: FUNCTION TOGETHER

Front 15

MYOSIN

Back 15

THICK, GOLF CLUB SHAPED FILAMENTS

Front 16

CROSS- BRIDGES

Back 16

HEADS OF MYOSIN ATTACH TO ACTIVE SITES OF ACTIN

Front 17

T- TUBULES

Back 17

TUNNELS IN SACROLEMMA INTO THE SACROPLASMIC RECITULUM FOR PASSAGE OF TROPONIN.

Front 18

SACROPLASMIC RECITULUM

Back 18

ENDOPLASMIC RETICULUM OF MUSCLE, THAT OPENS AND RELEASES CALICUM TO EXPOSE ACTIVE SITES

Front 19

ACTIVE SITES

Back 19

SITES ON MYOFILAMENTS, THAT MYOSIN HEADS BIND WITH, AND CAUSES THE SLDING OF THE FILAMENTS

Front 20

POWER STROKES
RECOVERY STROKES

Back 20

MYOSIN HEADS ATTACH AND RELEASE DURING A MUSCLE CONTRACTION

Front 21

NAME THE FIVE STEPS OF SLIDING FILAMENT

Back 21

1-SACROLEMMA- IS STIMULATED
2-T-TUBULES CAUSED ACTION POTENTIAL
3- CA IS RELEASED BY SACROPLASMIC RETITULUM
4- ACTIVE SITES ARE EXPOSED
5- MYOISN ATTACHES AND SLIDE, THEN RELEASES AND STARTS AGAIN

Front 22

SPASTIC PARALYSIS

Back 22

MUSCLES CONTRACT AND CANNOT RELAX

Front 23

FLACCID PARALYSIS

Back 23

MUSCLE IS INCAPABLE OF CONTRACTING

Front 24

MUSCULAR DYSTROPHY

Back 24

PROGRESSIVE WEAKNESS OF MUSCLES. A SHORT CIRCUITOF MUSCLE OR NERVE FUNCTION

Front 25

MUSCLE TWITCH

Back 25

CONTRACTION OF MUSCLE IN RESPONSE TO AN ACTION POTENTIAL.

Front 26

MOTOR PATTERNS

Back 26

PROCESS OF MUTIPLE MUSCLES CONTRACTING & RELEXING

Front 27

MULTIPLE MOTOR UNIT SUMMATION

Back 27

NUMBER OF MOTOR UNITS STIM DETERMINE THE FORCE OF MUSCLE CONTRACTION

Front 28

NAME TWO TYPES OF MUSCLE CONTRACTIONS

Back 28

ISOMETRIC
ISOTONIC

Front 29

ISOMETRIC CONTRACTION

Back 29

TENSION IS PRODUCED BUT MUSCLE LENGTH DOES NOT CHANGE.

EXAM.- CARRYING HEAVY OBJECT

Front 30

ISOTONIC CONTRACTION

Back 30

TENSION IS PRODUCED AND MUSCLE LEGTH DOES CHANGE

EXAM.- PICK UP A BALL AND BRING IT TO YOUR CHEST

Front 31

NAME TWO TYPES OF ISOTONIC CONTRACTIONS

Back 31

1-CONCENTRIC= MUSCLES SHORTEN
BICEPS DURING LIFTING
2-ECCENTRIC=TENSION MAINTAINED WHILE MUSCLES LENGTHEN
QUDRICEPS WHILE DESCENDING STAIRS

Front 32

MUSCLE TONE

Back 32

RELATIVELY CONSTANT TENSION PRODUCED BY A MUSCLE FOR LONG PERIODS OF TIME AS A RESULT OF ASYNCHRONOUS CONTRACTION OF MOTOR UNITS

Front 33

MUSCLE FATIGUE

Back 33

RESULTS FROM ATP DEPLETION- CROSS BRIDGES CAN NOT FORM

Front 34

RIGOR MORTIS

Back 34

AFTER DEATH, CALCIUM LEAKS FROM ORGANELLES AND ATP PRODUCTION STOPS

Front 35

ANAEROBIC RESPIRATION

Back 35

DOES NOT REQUIRE OXYGEN
USES UP IMMEDIATE GLUCOSE SUPPLY,EXAM- SPRINTING

Front 36

AEROBIC RESPIRATION

Back 36

REQUIRES OXYGEN

EXAM- LOND DISTANCE RUNNING

Front 37

NAME TWO TYPES OF MYOSIN FOR DIFFERENT MUSCLE FUNCTION

Back 37

1-SLOW TWITCH MUSCLE FIBERS
2- FAST TWITCH MUSCLE FIBERS

Front 38

SLOW TWITCH MUSCLE FIBERS
AKA TYPE I

Back 38

CONTRACT SLOWER, FATIGUE SLOWER-RELYS ON AEROBIC RESPIRATION

Front 39

FAST TWITCH MUSCLE FIBER
AKA-TYPE II

Back 39

CONTRACT AND FATIGUE QUICKLY-PERFORMS ANAEROBICALLY

Front 40

HYPERTROPHY

Back 40

INCREASE NUMBER OF MYOFIBRILS & NUCLEI WITHIN MUSCLE FIBERS

EXAM- EXERCISE&ACTIVITY

Front 41

ATROPHY

Back 41

DECREASE NUMBER OF MYOFIBRILS & NUCLEI WITHIN MUSCLE FIBERS

EXAM- IMMOBILITY& INACTIVITY

Front 42

NAME A BYPRODUCT OF AEROBIC MUSCLE CONTRACTION

Back 42

SHIVERING

Front 43

NAME TWO WAYS HYPERTROPHY CAN OCCUR

Back 43

1- VERY HEAVY WEIGHTS
2- MOD. WEIGHTS, HIGH REPS PRODUCE TIGHT ARRAY OF INCREASED MYOFIBRILS

Front 44

GIVE EXAMPLES OF PROPERTIES OF SMOOTH MUSCLE

Back 44

1- SMALLER MUSCLES WITH A SINGLE NUCELEUS
2-SPINDLE SHAPED
3-FILAMENTS OVERLAP
4-ACTIN ATTACH TO DENSE BODIES
5- DOES NOT RESPOND TO ALL OR NONE FASHION
6- NERVES ARE PART OF AUTONOMIC NERVOUS SYSTEM
7- INVOLUNTARY