Test #7 - Class 12: Muscles 20-27; Class 13: 28-40 Flashcards Preview

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Flashcards in Test #7 - Class 12: Muscles 20-27; Class 13: 28-40 Deck (51)
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1
Q

How many superficial layer of the anterior forearm muscles?

A

1 muscles

2
Q

What is the 1 superficial layer of the anterior forearm muscle?

A
  1. Brachioradialis
3
Q

Superficial Layer of the Anterior Forearm: Brachioradialis*

A

GL: Anterior/Lateral, Forearm, Superficial

O: Lateral supracondylar ridge of the Humerus

I: Styloid process of the Radius

4
Q

What is the division between the extensor and flexor group?

A

Brachioradialis

5
Q

How many Deep Layer of the Anterior Forearm?

A

2 muscles

6
Q

What are the 2 Deep Layer of the Anterior Forearm muscles?

A
  1. Flexor Pollicis Longus; and 2. Flexor Digitorum Profundus
7
Q

Deep Layer of the Anterior Forearm: Flexor Pollicis Longus

A

GL: ANTERIOR, FOREARM, DEEP

O: Proximal Radius and Interosseous membrane

I: Base of the distal Phalanx of the thumb

8
Q

Deep Layer of the Anterior Forearm: Flexor Digitorum Profundus

A

GL: ANTERIOR, FOREARM, DEEP

O: Proximal 3/4 of the Ulna and Interosseous membrane

I: Bases of the distal Phalanges of the medial 4 digits

9
Q

How many Intermediate Layer of the Anterior Forearm muscles?

A

1 muscle + 1 retinaculum

10
Q

What are the 2 ntermediate Layer of the Anterior Forearm muscles?

A
  1. Flexor Digitorum Superficialis; and 2. Flexor Retinaculum (Transverse Carpal Ligament)
11
Q

Intermediate Layer of the Anterior Forearm: Flexor Digitorum Superficialis

A

GL: ANTERIOR, FOREARM, INTERMEDIATE

O: 1) Humeroulnar Head: Medial epicondyle of the Humerus and Coronoid process of the Ulna; 2) Radial Head: Proximal 1/2 of the Radius

I: Bodies of the middle phalanges of the medial 4 digits

12
Q

Intermediate Layer of the Anterior Forearm: Flexor Retinaculum (Transverse Carpal Ligament)

A

GL: ROOF OF THE CARPAL TUNNEL

O: Attaches to the hook of the Hamate and the Trapezium

13
Q

What is the Transverse Carpal Ligament?

A

Flexor Retinaculum

14
Q

What makes up the structure of the Carpal Tunnel?

A

Floor: Made up of carpal bones

Walls: Trapezium & hook of Hamate

Roof: Flexor Retinaculum Deep

15
Q

How many muscles involved in the Carpal Tunnel?

A

3 muscles

16
Q

What are the 3 muscles involves in the Carpal Tunnel?

A
  1. Flexor Pollicis Longus; 2. Flexor Digitorum Profundus; and 3. Flexor Digitorum Superficialis
17
Q

How many tendons are involved in the Carpal Tunnel?

A

9 tendons

18
Q

What are the 9 tendons involved in the Carpal Tunnel?

A
  1. Flexor Pollicis Longus (1 tendon); 2. Flexor Digitorum Profundus (4 tendons); and 3. Flexor Digitorum Superficialis (4 tendons)
19
Q

How many nerves are involved in the Carpal Tunnel?

A

1 nerve

20
Q

What is the 1 nerve involved in the Carpal Tunnel?

A

The median nerve.

It is one nerve that is part of the Brachial Plexus group. It travels down the medial arm. Runs anterior to the medial epicondyle of the Humerus. It runs down the anterior forearm and through the carpal tunnel. It serves digits 1, 2, 3 and part of 4.

21
Q

What is the Brachial Plexus?

A

Consists of spinal nerves C5 through T1.

22
Q

What is Carpal Tunnel Syndrome (CTS?)

A

Through repetitive use of the flexors, inflammation develops within the carpal tunnel. This impinges the medial nerve which results in tingling, numbness, pain and eventual loss of use of the lateral hand (digits 1, 2, 3 and part of 4).

23
Q

How many muscles of the Superficial layer of the Anterior Forearm?

A

4 muscles + 1 retinaculum

24
Q

What are the 5 superficial layer of the Anterior Forearm muscles?

A
  1. Flexor Carpi Radialis; 2. Flexor Carpi Ulnaris; 3. Flexor Retinaculum; 4. Palmaris Longus; and 5. Pronator Teres
25
Q

Superficial Layer of the Anterior Forearm: Palmaris Longus*

A

GL: Anterior, Forearm, Superficial

O: Medial epicondyle of the Humerus (common flexor tendon)

I: Flexor Retinaculum and Palmar Aponeurosis

26
Q

Superficial Layer of the Anterior Forearm: Pronator Teres*

A

GL: Anterior, Forearm, Superficial

O: Medial epicondyle of the Humerus (common flexor tendon)

I: Middle of the Radius

27
Q

How many Deep Lateral Rotators of the Hip muscles?

A

6 muscles

“The Deep Six”

28
Q

What is the mnemonic for “the deep six”?

A
Piece
Goods
Often
Go
On
Quilts

or

P-GO-GO-Q

29
Q

What are the 6 Deep Lateral Rotators of the Hip muscles?

A
P - Piriformis
G - Gemellus Superior
O - Obturator Internus
G - Gemellus Inferior
O - Obturator Externus
Q - Quadratus Femoris
30
Q

Deep Lateral Rotators of the Hip: Piriformis*

A

GL: Posterior, Buttocks, Deep

O: Anterior surface of the Sacrum

I: Greater trochanter of the Femur

31
Q

Deep Lateral Rotators of the Hip: Gemellus Superior

A

GL: POSTERIOR, BUTTOCKS, DEEP

O: Ischial spine of the Ischium

I: Greater trochanter of the Femur (medial surface)

32
Q

Deep Lateral Rotators of the Hip: Obturator Internus

A

GL: POSTERIOR, BUTTOCKS, DEEP

O: Obturator membrane and surrounding bone

I: Medial surface of the greater trochanter of the Femur

33
Q

Deep Lateral Rotators of the Hip: Gemellus Inferior

A

GL: POSTERIOR, BUTTOCKS, DEEP

O: Ischial tuberosity of the Ischium

I: Greater trochanter of the Femur (medial surface)

34
Q

Deep Lateral Rotators of the Hip: Obturator Externus

A

GL: POSTERIOR, BUTTOCKS, DEEP

O: Margins fo the Obturator Foramen of the Pubis and Ischium

35
Q

Deep Lateral Rotators of the Hip: Quadratus Femoris

A

GL: POSTERIOR, BUTTOCKS, DEEP

O: Ischial tuberosity of the Ischium

I: Quadrate tubercle of the Femur

36
Q

What is the sciatic nerve made up of?

A

Spinal nerves L4 through S3.

Largest nerve in the body. Serves flutes, posterior thigh and entire leg. It branches just above the popliteal region into the tibial and common fibular nerves.

37
Q

What is sciatica?

A

Impingement of the sciatic nerve by soft tissue or bone. Occurs in the lower lumbar/upper sacral regions. Causes tingling, numbness, pain and eventual loss of use of the lower extremity.

38
Q

What is piriformis syndrome?

A

Impingement of the sciatic nerve through the greater sciatic notch by the piriformis muscle. Causes symptoms similar to sciatica.

39
Q

How many Posterior Buttocks muscles?

A

3 muscles

40
Q

What are the 3 posterior buttocks muscles?

A
  1. Gluteus Minimus; 2. Gluteus Medius; and 3. Gluteus Maximus
41
Q

Posterior Buttocks: Gluteus Minimus*

A

GL: Posterior, Buttocks, Deep

O: Exterior surface of the Ilium (between superior and inferior Gluteal lines)

I: Greater trochanter of the Femur (anterior border)

42
Q

Posterior Buttocks: Gluteus Medius*

A

GL: Posterior/Lateral, Buttocks, Superficial

O: Exterior surface of the Ilium (between Iliac crest and superior Gluteal lines)

I: Greater trochanter of the Femur (posterior border)

43
Q

Posterior Buttocks: Gluteus Maximus*

A

GL: Posterior, Buttocks, Superficial

O: Ilium, Iliac crest, Sacrum & Coccyx

I: Iliotibial Band to Lateral condyle of the Tibia and Gluteal tuberosity of the Femur

44
Q

How many Anterior/Lateral Thigh muscles?

A

1 muscle + IT band

45
Q

What are the 2 Anterior/Lateral Thigh muscles?

A
  1. Iliotibial Band; and 2. Tensor Fascia Latae
46
Q

Anterior/Lateral Thigh: Iliotibial Band

A

GL: LATERAL, THIGH, SUPERFICIAL

O: Iliac crest

I: Lateral condyle of the Tibia

47
Q

Anterior/Lateral Thigh: Tensor Fascia Latae*

A

GL: Anterior/Lateral, Hip, Superficial

O: ASIS and Iliac crest of the Ilium

I: Lateral condyle of the Tibia via the Iliotibial band

NOTE: Doesn’t insert on greater trochanter.

48
Q

What is the iliotibial band (IT band)?

A

Connective tissue (not muscle). Runs from the iliac crest down to the tibial condyle.

When tensor fascia latae (TFL) + gluteus maximus contract, they keep tension on the IT band to help “track” the knee.

49
Q

Superficial Layer of the Anterior Forearm: Flexor Carpi Radialis*

A

GL: Anterior, Forearm, Superficial

O: Medial epicondyle of the Humerus (common flexor tendon)

I: Base of the 2nd and 3rd Metacarpals

50
Q

Superficial Layer of the Anterior Forearm: Flexor Carpi Ulnaris*

A

GL: Anterior, Forearm, Superficial

O: 1) Humeral head: Medial epicondyle of the Humerus; 2) Ulnar head: Olecrannon and posterior border of Ulna

I: Pisiform

51
Q

Superficial Layer of the Anterior Forearm: Flexor Retinaculum

A

GL: Connective tissue band on the anterior wrist

O: It meets the extensor retinaculum at the distal radius and ulna