Muscular System Flashcards

1
Q

What is anatomy?

A

the study of the parts

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2
Q

What is physiology?

A

the study of how the parts function

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3
Q

What is the cell?

A

The basic unit of life

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4
Q

atoms –> molecules –> cells –> tissues –> organs –> organ systems

A

know it

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5
Q

What is homeostasis?

A

Balance within the body

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6
Q

What is a word association for homeostasis?

A

steady-state

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7
Q

What is the inability to maintain homeostasis?

A

disease

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8
Q

What is a subluxation?

A

spinal dysfunction/misalignment plus nerve interference that prevents homeostasis

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9
Q

When do muscles do work?

A

When they shorten

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10
Q

What are the functions of muscles?

A

generate heat, provide cushioning for bone, cause motion over a joint, give the body shape

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11
Q

What do muscles use for energy?

A

sugar and oxygen

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12
Q

What is the waste product of muscular tissue?

A

lactic acid

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13
Q

What removes the waste from muscles?

A

blood flow

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14
Q

When a muscle contracts, what happens?

A

it shortens

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15
Q

What is a tendon?

A

A tendon connects a muscle to bone (remember ligament is bone to bone)

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16
Q

What muscles are responsible for elevation of the mandible? depression of the mandible?

A

Elevation - massater, temporalis

Depression - platysma

17
Q

What muscle is responsible for rotation of the head?

A

Sternocleidomastoid

18
Q

What muscle is responsible for flexion of the head?

A

sternocleidomastoid

19
Q

What muscles are responsible for extension of the head?

A

erector spinae

20
Q

What muscles are responsible for trunk flexion?

A

abdominals, SCM

21
Q

What muscles are responsible for trunk extension?

A

erector spinae (paravertebral musculature)

22
Q

What muscle is responsible for extension of the shoulder?

A

Triceps

23
Q

What muscle is responsible for flexion of the shoulder?

A

biceps

24
Q

What muscle is responsible for elevation of the shoulder?

A

trapezius

25
Q

What muscles are responsible for abduction of the shoulder?

A

deltoid and supraspinatous (rotator cuff)

26
Q

What muscle is responsible for adduction of the shoulder?

A

lattisimus dorsi

27
Q

What muscle is responsible for internal rotation with flexion?

A

pectoralis major

28
Q

What muscle group is responsible for wrist and finger flexion?

A

Flexor group (medial) (golf)

29
Q

What muscle group is responsible for wrist and finger extension?

A

extensors (lateral) (tennis)

30
Q

WHat muscle is responsible for flexion of the hip?

A

quadricep and psoas

31
Q

What muscle is responsible for extension of the hip?

A

gluteus maximus

32
Q

What muscle is responsible for knee extension?

A

quadriceps

33
Q

What muscle is responsible for knee flexion?

A

hamstrings

34
Q

What muscle is responsible for ankle plantar flexion?

A

gastrocnemius (achilles tendon)

35
Q

What muscle is responsible for ankle dorsi-flexion?

A

tibialis anterior

36
Q

What is the major muscle of respiration?

A

diaphragm

37
Q

What does the diaphragm do?

A

assists in breathing and separates abdomin from check. Hiatal hernia through this muscle

38
Q

What is smooth muscle?

A

Smooth muscle is organ muscle which is involuntary.

39
Q

What is cardiac muscle?

A

Cardiac muscle is only found in the heart, it is involuntary and it contracts in a unique way to conduct electricity