Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Anatomy - Year 1 > Muscles > Flashcards

Muscles Flashcards

1
Q

what is the function of muscles

A

movement
static support
heat production

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what are the 3 types of muscle

A

skeletal striated
cardiac striated
smooth muscle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

describe skeletal muscle

A

attached to skeleton
locomotion
voluntary
multinucleated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

describe cardiac muscle

A

involuntary
single nucleus
branched
intercalated disc

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

describe smooth muscle

A

walls of vessels and organs
move substances and restrict flow
involuntary
single nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what are the layers of skeletal muscle connective tissue coverings

A

epimysium
perimysium
endomysium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what are the layers of skeletal muscle

A 
muscle
muscle fascicle
muscle fibre (structural unit)
myofibrils 
sarcomere - actin and myosin
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

whats in the structural unit of skeletal muscle

A

myofibrils

sarcomere - actin and myosin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what is a motor unit of skeletal muscle

A

one motor neuron supplying varying number of muscle fibres

involves muscle contraction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what types of skeletal muscle morphology is there

A

unipennate
bipennate (2 way direction)
multipennate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

give an example of multipennate muscle

A

deltoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

give an example of bipennate muscle

A

rectus femoris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

give an example of unipennate muscle

A

extensor digitorum longus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what are the functional classifications of skeletal muscle

A

agonist
anatagonist
synergist
fixator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

whats synergist

A

support of agonist muscle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

whats fixator muscle

A

stabiliser of one part of the body during movement of another part

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

how is the shoulder joint stabilised

A

by rotator cuff muscles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

what are tendons

A

connect muscle to bone
dense connective tissue
do not shorten
can alter force direction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

what are aponeuroses

A

sheet of fibrous tissue that takes the place of a tendon in flat muscles having a wide area of attachment

20
Q

give an example of muscles that have more than one action

A

deltoid

erector spinae

21
Q

what cells help heal muscle after injury

A

stem cells

22
Q

what skeletal muscles acts involuntarily

A

diaphragm

23
Q

what are the two muscle groups

A

axial and appendicular
axial - trunk and head
appendicular - limbs

24
Q

what compartments are there in muscle

A

flexor

extensor

25
Q

in the arm , what 3 muscles are flexors

A

biceps brachii
brachialis
coracobrachialis

26
Q

what nerve innervates arm flexors

A

musculocutaneous nerve

27
Q

what nerve innervates arm extensors

A

radial nerve

28
Q

in the arm, what muscle is the extensor

A

triceps brachii

29
Q

in the arm what muscle is the agonist and antagonist

A

agonist - biceps

antagonist - triceps

30
Q

in the arm what muscle the fixator and synergist

A

fixator - deltoid

synergist - brachialis

31
Q

how many flexor muscles are there in the forearms, what nerve innervates them

A

8

median and ulnar nerve

32
Q

how many extensor muscles are there in the forearms, what nerve innervates them

A

10

radial nerve

33
Q

what muscle flexes the forearm

A

brachioradialis

34
Q

what joint do gluteal muscles act on

A

hip joint

35
Q

what 3 gluteal muscles are there

A

gluteus maximus - extensor
gluteus medius - abduction
g. minimus

36
Q

what nerve innervates gluteal muscles

A

sciatic nerve

37
Q

what muscles are there in the thighss

A

hamstrings - flexion (posterior)
quadriceps - extension (anterior)
adductors (medial side)

38
Q

what nerve innervates hamstrings

A

sciatic nerve

39
Q

what nerve innervates quadriceps

A

femoral n

40
Q

what nerve innervates adductors

A

obturator

41
Q

what muscles are there in the leg

A

anterior - dorsiflexors
posterior - plantarflexors
lateral - evertors

42
Q

what muscles are there in the leg

A

anterior - dorsiflexors
posterior - plantarflexors
lateral - evertors

43
Q

what nerve innervates leg

A

sciatic n

44
Q

what is the action of hand muscles

A

hand - precision

forearm - strength

45
Q

what is the action of foot muscles

A

support walking and maintain arches of foot

Anatomy - Year 1 (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions