Muscles and OIA pt. 2

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Last updated 8:43 PM on 6/26/26
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36 Terms

1
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Triceps Brachii

O: scapula
I: ulna
A: Extend forearm

2
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Biceps Brachii

O: Scapula
I: radius
A: flex forearm

3
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Brachialis

O: humerus
I: ulna
A: Flex forearm (elbow)

4
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Brachioradialis

O: humerus
I: radius
A: flex forearm (beer raising muscle - bent + rotate)

5
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Pronator Teres (at oblique angle)

Turns the arm

6
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Flexor Carpi Radialis

Thumb side of wrist

Wrist/hand flexor

7
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Palmaris longus

Tendons connect to all digits

weak wrist/hand flexor

8
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Flexor Carpi ulnaris

pinkie side of wrist

wrist/hand flexor

9
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Extensor Digitorum

Tendons connect to all digits

digit extensor

10
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Extensor Carpi Ulnaris

pinkie side of wrist

wrist/hand extensor

11
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Extensor Carpi radialis longus

thumb side of wrist

long tendon

wrist/hand extensor

12
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Extensor Carpi Radialis brevis

thumb side of wrist

Short tendon

wrist/hand extensor

13
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Flexor Digitorum

Flexes digits

14
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Flexer policies (plural of pollex)

flexes digits

15
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Extensor Policies

Extensor of digits

16
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Sartorius

Hip Abductors

17
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Tensor Fasciae latae

Hip Abductors

18
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Gluteus maximus and medius

Hip Abductors

O: Os Coxa

I: Femur

A: maximus = thigh extension

A: Medius = thigh abduction

19
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Adductor Longus

Hip Adductors

20
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Gracilis

Hip Adductors

21
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Adductor brevis

Hip Adductors

22
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Adductor magnus

Hip Adductors

23
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Vastus Lateralis

O: Femur

I: patella

A: extend knee

24
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Vastus Medialis

O: Femur

I: patella

A: extend knee

25
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Rectus Femoris

O: Os coxa

I: Patella

A: extend knee

26
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Vastus intermedias

O: Femur

I: patella

A: Extend knee

27
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Biceps Femoris

O: Os coxa

I: tibia

A: flex knee

28
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Semitendinosus

O: os coxa

I: tibia

A: flex knee

29
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Semimembranosus

O: os coxa

I: tibia

A: flex knee

30
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Tibialis Anterior

O: tibia

I: tarsals

A: dorsiflex foot

31
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Extensor Digitorum Longus

O: Tibia

I: phalanges (toes)

A: extend toes

32
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Gastrocnemius

O: Femur

I: Calcaneus

A: Plantar flex foot

33
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Soleus

O: Tibia

I: Calcaneus

A: Plantar flex foot

34
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Tibialis Posterior

O: Tibia

I: tarsals

A: foot inversion

35
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Fibularis Longus

Superficial to fibularis brevis

36
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Fibularis Brevis

deep to fibularis longus