Brainscape's Knowledge GenomeTM

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


See full index

Anatomy > Muscle Review: Exam 1 > Flashcards

Muscle Review: Exam 1 Flashcards

1
Q

Iliopsoas

A

Insertion/Origin: Combined iliacus and psoas major, inserts on the lesser trochanter of the femur

Innervation: L2-L4

Blood supply: medial femoral circumflex artery and iliolumbar artery

Action: Flexes the hip

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

Pectineus

A

Insertion/Origin: Inserts on pectineal line near lesser trochanter

Innervation: femoral nerve

Blood Supply: obturator artery

Action: thigh flexion and abduction

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

Quadriceps

A

Insertion/Origin: rectus femoris on the hip, vastus muscles on the femur, all insert on tibial tuberostiy

Innervation: femoral nerve

Blood Supply: femoral artery

Action: flex thigh at the hip (rectus femoris) and extesion of the leg

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

Sartorius

A

Insertion/Origin: ASIS to pes anserinus

Innervation: femoral nerve

Blood Supply: femoral atery

Action: flexion of thigh, lateral rotation of thigh, abduction of thigh, flexion of knee

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

Adductor longus/brevis

A

Insertion/Origin: linea aspera to pubis

Innervation: anterior branch of obturator nerve (longus) - obturator nerve (brevis)

Blood Supply: deep femoral artery

Action: adduction of thigh

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

Adductor magnus

A

Insertion/Origin: linea aspera to pubis/ischeal tuberosity

Innervation: posterior branch of obturator nerve (adduction) and tibial nerve (hamstring)

Blood Supply: deep femoral artery

Action: adduction and extension of hip

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

Gluteus maxiumus

A

Insertion/Origin: hip bone to gluteal tuberosity of femur

Innervation: inferior gluteal nerve

Blood Supply: superior and inferior gluteal arteries

Action: extension of hip, supports extended knee, abduction of hip (lateral rotation)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Gluteus medius/minimus

A

Insertion/Origin: Ilium to greater trochanter

Innervation: superior gluteal nerve

Blood Supply: superior gluteal artery

Action: abduction and medial rotation (anterior portions)

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

Tensor fascia lata

A

Insertion/Origin: iliac crest to iliotibial tract

Innervation: superior gluteal nerve

Blood Supply: lateral circumflex femoral artery

Action: flexion of thigh, medial rotation and abduction

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

Piriformis

A

Insertion/Origin: sacrum to great trochanter (medial surface)

Innervation: nerve to the piriformis

Blood Supply: gluteal arteris

Action: lateral rotation

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

Superior/inferior gemelli

A

Insertion/Origin: ischeal tuberostiy to obturator tendon

Innervation: nerve to quadratus femoris/oburator internus

Blood Supply: inferior gluteal artery

Action: lateral rotation

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

Obturator internus

A

Insertion/Origin: pubic ramus to obturator membrane

Innervation: nerve to obturator internus

Blood Supply: inferior gluteal artery

Action: lateral rotation

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

obturator externus

A

Insertion/Origin: -

Innervation: posterior branch of obturator nerve

Blood Supply: obturator artery

Action: lateral rotation, adduction

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

Semitendinosus

A

Insertion/Origin: ischium to pes anserinus

Innervation: tibial divison of sciatic nerve

Blood Supply: inferior gluteal artery

Action: flexion of leg, extension of hip

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

Semimembranosis

A

Insertion/Origin: ischium to tibia

Innervation: tibial division of sciatic nerve

Blood Supply: deep femoral

Action: flexion of leg and extension of thigh

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

Biceps femrosi

A

Insertion/Origin: ischium (long head) and femur (short head) to fibula

Innervation: tibial nerve (long head) and common peroneal nerve (short head)

Blood Supply: gluteal arteries, perforating arteries, popliteal

Action: flexion of leg and extension of thigh (only long head)

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

Popliteus

A

Insertion/Origin: lateral femur to medial tibia

Innervation: tibial nerve

Blood Supply: popliteal artery

Action: rotates tibia medially when foot is off the ground, rotates femur laterally when foot is fixed

18
Q

gastrocnemeus

A

Insertion/Origin: chondyles of the femur to achilles tendon

Innervation: tibial nerve

Blood Supply: sural arteries

Action: plantar flexes foot, flexes knee

19
Q

flexor digitorum longus

A

Insertion/Origin: posterior tibia to plantar surface

Innervation: tibial nerve

Blood Supply: posterior tibial artery

Action: flex digits of foot

20
Q

flexor hallicus longus

A

Insertion/Origin: fibula to plantar surface

Innervation: tibial nerve

Blood Supply: peroneal branch of posterior tibial artery

Action: flexes big toe

21
Q

Soleus

A

Insertion/Origin: fibula to ankle

Innervation: tibial nerve

Blood Supply: sural arteries

Action: plantar flexion

22
Q

tibialis posterior

A

Insertion/Origin: tibia and fibula to navicular and medial cuneiform

Innervation: tibial nerve

Blood Supply: posterior tibial artery

Action: inversion and plantar flexion of foot

23
Q

Peroneus longus/brevis

A

Insertion/Origin: fibula to fifth metatarsal

Innervation: superficial peroneal

Blood Supply: peroneal artery

Action: plantarflexion/eversion

24
Q

Extensor digitorum longus

A

Insertion/Origin: lateral tibia to dorsal foot

Innervation: deep peroneal nerve

Blood Supply: anterior tibial artery

Action: extension of toes and dorsiflexion

25
Q

Extensor hallicus longus

A

Insertion/Origin: fibula to big toe

Innervation: deep peroneal nerve

Blood Supply: anterior tibial artery

Action: extends big toe and dorsiflexes foot

26
Q

tibialis anterior

A

Insertion/Origin: lateral chondyle of tibia

Innervation: deep peroneal

Blood Supply: anterior tibial artery

Action: dorsiflexion and inversion of the foot

27
Q

Pectoralis major

A

Insertion/Origin: clavicle and sternum to bicipital groove of humerus

Innervation: lateral and medial pectoral nerves

Blood Supply: pectoral branch of thoracoacromial trunk

Action: adducts and medially rotates humerus, draws scapula anteriorly and inferiorly
clavicular head - flexes extended humerus
sternocostal head - extend flexed humerus

28
Q

pectoralis minor

A

Insertion/Origin: ribs to coracoid process

Innervation: medial pectoral nerve

Blood Supply: pectoral branch of thoracacromial trunk

Action: draws scapula inferiorly and anteriorly (pulls forward-protraction)

29
Q

subclavius

A

Insertion/Origin: rib to clavicle

Innervation: nerve to subclavius

Blood Supply: thoracoacromial trunk

Action: depression of clavicle

30
Q

serratus anterior

A

Insertion/Origin: ribs to anterior medial scapula

Innervation: long thoracic nerve

Blood Supply: -

Action: protracts scapula and rotates scapula superiorly

31
Q

Trapezius

A

Insertion/Origin: scapula to spine

Innervation: spinal accessory (CN XI)

Blood Supply:

Action: elevates, retracts, depresses, rotates scapula

32
Q

Latissiumus dorsi

A

Insertion/Origin: spinous process of vertebrae to intertubercular groove of humerus

Innervation: thoracodorsal

Blood Supply:

Action: extends medially rotates, adducts humerus

33
Q

Rhomboids

A

Insertion/Origin: spinous processes of vertebrae to medial end of scapula

Innervation: dorsoscapular

Blood Supply:

Action: retracts, rotates inferiorly

34
Q

levator scapulae

A

Insertion/Origin: skull to medial scapula

Innervation: C3,4,5

Blood Supply:

Action: elevates

35
Q

supraspinatus

A

Insertion/Origin: superior scapula to greater tuberostiy of humerus

Innervation: suprascapular nerve

Blood Supply:

Action: initiates abduction

36
Q

infraspinatus

A

Insertion/Origin: posterior inferior scapula to greater tuberosity of humerus

Innervation: suprascapular nerve

Blood Supply:

Action: laterally rotates

37
Q

teres minor

A

Insertion/Origin:

Innervation: axillary nerve

Blood Supply:

Action: laterally rotates

38
Q

subscapularis

A

Insertion/Origin:

Innervation: lower subscapular nerve

Blood Supply:

Action: medially rotates

39
Q

deltoid

A

Insertion/Origin:

Innervation: axillary nerve

Blood Supply:

Action: abducts arm, anterior part helps to flex arm, posterior part helps to extend arm

40
Q

teres major

A

Insertion/Origin:

Innervation: lower subscapular nerve

Blood Supply:

Action: extends, medially rotates, adducts

Anatomy (14 decks)

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