Lower Extremity Flashcards

1
Q

What type of joint is the hip joint?

A

Synovial, ball and socket

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2
Q

What is the strongest ligament in the body?

A

Iliofemoral ligament (holds femur in place)

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3
Q

What movement of the hip joint has the most range?

A

Flexion (135deg)

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4
Q

Which is the largest muscle compartment in the thigh?

A

Anterior compartment

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5
Q

What commonly causes “numb bum” syndrome?

A

Damage to the superior cluneal nerves (arising from dorsal rami of L1, L2, & L3) often from skin incision for harvesting bone from iliac crests. Leads to sensory loss to skin of gluteal region

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6
Q

What are the (3) superficial muscles of the gluteal region?

A

Gluteus maximus
Gluteus medius
Gluteus minimus

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7
Q

Gluteus maximus origin (proximal)

A

Outer surface of ilium, adjacent posterior surface of sacrum and coccyx

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8
Q

Gluteus maximus insertion (distal)

A

Iliotibeal tract of fascia lata, gluteal tuberosity of femur

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9
Q

Gluteus maximus actions

A

Extends and laterally rotates hip joint

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10
Q

Gluteus maximus nerve supply

A

Inferior gluteal nerve (L5, S1, S2)

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11
Q

Gluteus medius origin (proximal)

A

Outer surface of ilium inferior to iliac crest

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12
Q

Gluteus medius insertion (distal)

A

Lateral surface of greater trochanter

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13
Q

Gluteus medius actions

A

Abducts femur at hip joint and medially rotates thigh

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14
Q

Gluteus medius nerve supply

A

Superior gluteal nerve (L4, L5, S1)

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15
Q

Gluteus minimus origin (proximal)

A

Outer surface of ilium between middle and inferior gluteal lines

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16
Q

Gluteus minimus insertion (distal)

A

Anterior surface of greater trochater

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17
Q

Gluteus minimus actions

A

Abducts femur at hip joint and medially rotates thigh

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18
Q

Gluteus minimus nerve supply

A

Superior gluteal nerve (L4, L5, S1)

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19
Q

Tensor fasciae latae origin (proximal)

A

Anterior superior iliac spine (ASIS) and outer edge of iliac crest

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20
Q

Tensor fasciae latae insertion (distal)

A

Iliotibial tract of upper part of thigh

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21
Q

Tensor fasciae latae actions

A

Flexes, medially rotates, and abducts thigh

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22
Q

Tensor fasciae latae nerve supply

A

Superior gluteal nerve (L4, L5, S1)

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23
Q

What are the (6) short lateral rotators of the thigh?

A
Piriformis
Obturator internus
Obturator externus
Gemellus superior
Gemellus inferior 
Quadratus femoris
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24
Q

Piriformis origin (proximal)

A

Internal surface of sacrum

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25
Q

Piriformis insertion (distal)

A

Upper border of greater trochanter

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26
Q

Piriformis actions

A

Laterally rotates thigh

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27
Q

Piriformis nerve supply

A

S1 & S2 from sacral plexus

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28
Q

What is found immediately deep to the piriformis?

A

Sciatic nerve

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29
Q

Gemellus superior origin (proximal)

A

Spine of ischium

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30
Q

Gemellus superior insertion (distal)

A

Upper border of greater trochanter

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31
Q

Gemellus superior actions

A

Laterally rotates thigh

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32
Q

Gemellus inferior origin (proximal)

A

Ischial tuberosity (inferior to spine)

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33
Q

Gemellus inferior insertion (distal)

A

Upper border of greater trochanter

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34
Q

Gemellus inferior actions

A

Laterally rotates thigh

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35
Q

Obturator internus origin (proximal)

A

Pelvic surface of obturator membrane and surrounding bone

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36
Q

Obturator internus actions

A

Laterally rotates thigh

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37
Q

Obturator externus origin (proximal)

A

Outer surface of superior and inferior rami of pubis and ramus of ischium surrounding obturator foramen

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38
Q

Obturator externus insertion (distal)

A

Trochanteric fossa of femur

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39
Q

Obturator externus actions

A

Laterally rotates thigh

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40
Q

Obturator externus nerve supply

A

Obturator nerve (L2, L3, L4)

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41
Q

Quadratus femoris origin (proximal)

A

Ischial tuberosity

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42
Q

Quadratus femoris insertion (distal)

A

Below intertrochanteric crest

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43
Q

Quadratus femoris actions

A

Laterally rotates thigh

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44
Q

What are the 4 hamstring muscles?

A

Biceps femoris
Semitendiosus
Semimembranosus
Adductor magnus

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45
Q

Which hamstring muscle is innervated by the common peroneal (lateral) component, as opposed to the tibial component, of the sciatic nerve?

A

The short head of biceps femoris

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46
Q

Biceps femoris origin (proximal)

A

Long head: Ischial tuberosity

Short head: linea aspera

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47
Q

Biceps femoris insertion (distal)

A

Lateral aspect of the head of fibula

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48
Q

Biceps femoris actions

A

Flexes at knee joint
Long head extends thigh
Laterally rotates leg when knee is flexed

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49
Q

Biceps femoris nerve supply

A

Long head: tibial part of sciatic nerve

Short head: common peroneal (fibular) art of sciatic nerve

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50
Q

Semitendinosus origin (proximal)

A

Ischial tuberosity

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51
Q

Semitendinosus insertion (distal)

A

Medial surface of shaft of tibia

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52
Q

Semitendinosus actions

A

Extends thigh at hip, flexes leg, medially rotates leg when knee is flexed

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53
Q

Semitendinosus nerve supply

A

Tibial portion of sciatic nerve

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54
Q

Is the semimembranosus deep or superficial to the semitendinosus?

A

Semimembranosus is deep to semitendinosus

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55
Q

Semimembranosus origin (proximal)

A

Ischial tuberosity

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56
Q

Semimembranosus insertion (distal)

A

Posterior part of medial condyle of tibia

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57
Q

Semimembranosus actions

A

Extends thigh at hip, flexes leg, medially rotates leg when knee is flexed

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58
Q

Semimembranosus nerve supply

A

Tibial portion of sciatic nerve

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59
Q

Adductor magnus origin (proximal)

A

Inferior ramus of pubis (adductor part)

And ischial tuberosity (hamstring part)

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60
Q

Adductor magnus insertion (distal)

A

Linea aspera, adductor tubercle of femur

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61
Q

Adductor magnus actions

A

Adducts thigh at hip

Assists in extension of thigh (hamstring part)

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62
Q

Adductor magnus nerve supply

A

Obturator nerve (L2, L3, L4)

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63
Q

What roots make up the sciatic nerve?

A

L4, L5, S1, S2, S3

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64
Q

What roots make up the femoral nerve?

A

L2, L3, L4

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65
Q

What roots make up the obturator nerve?

A

L2, L3, L4

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66
Q

What roots make up the superior gluteal nerve?

A

L4, L5, S1

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67
Q

What roots make up the inferior gluteal nerve?

A

L5, S1, S2

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68
Q

What roots make up the posterior cutaneous nerve of thigh?

A

S1, S2, S3

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69
Q

What roots make up the pudendal nerve?

A

S2, S3, S4

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70
Q

What is the order of the branches of the lumbrosacral plexus?

A
Sciatic (L4-S3)
Femoral (L2–L4)
Obturator (L2-L4)
Superior gluteal (L4-S1)
Inferior gluteal (L5-S2)
Posterior cutaneous (S1-S3)
Pudendal (S2-S4)
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71
Q

What is the superior medial border of the popliteal fossa?

A

Semitendinosus

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72
Q

What is the superior lateral border of the popliteal fossa?

A

Biceps femoris (long head)

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73
Q

What is the inferior borders of the popliteal fossa? (Medial and lateral)

A

Gastronemius, medial and lateral heads

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74
Q

What innervates the flexors (anterior compartment) of the thigh?

A

Femoral nerve

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75
Q

What innervates the adductors (medial compartment) of the thigh?

A

Obturator nerve

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76
Q

What innervates the extensors of the thigh?

A

Sciatic nerve

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77
Q

What innervates most of the abductors of the thigh?

A

Gluteal nerve

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78
Q

Psoas major origin (proximal)

A

Transverse processes and bodies of L1-L5 vertebrae

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79
Q

Psoas major insertion (distal)

A

Merges with iliacus and inserts as iliopsoas into the lesser trochanter of femur

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80
Q

Psoas major actions

A

Flexes thigh at hip

Flexes vertebral column (bending forward)

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81
Q

Psoas major nerve supply

A

L2, L3

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82
Q

Iliacus origin (proximal)

A

Iliac fossa

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83
Q

Iliacus insertion (distal)

A

Merges with soas major and inserts as iliopsoas into lesser trochanter of femur

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84
Q

Iliacus actions

A

Flexes thigh at hip

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85
Q

Iliacus nerve supply

A

L2, L3

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86
Q

Sartorius origin (proximal)

A

Anterior superior iliac spine (ASIS)

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87
Q

Sartorius insertion (distal)

A

Medial surface of proximal tibia

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88
Q

Sartorius actions

A

Flexes, abducts and laterally rotates thigh a hip
Flexes leg at knee
Medially rotates leg with flexed knee

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89
Q

Sartorius nerve supply

A

Femoral nerve (L2, L3, L4)

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90
Q

What are the (4) quadriceps femoris?

A

Rectus femoris
Vastus lateralis
Vastus medialis
Vastus intermedius

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91
Q

Rectus femoris origin (proximal)

A

Anterior inferior iliac spine (AIIS)

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92
Q

Rectus femoris insertion (distal)

A

Patella via quadriceps tendon

Tibial tuberosity via patellar ligament

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93
Q

Rectus femoris actions

A

Extends leg at knee

Flexes high at hip

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94
Q

Rectus femoris nerve supply

A

Femoral nerve (L2, L3, L4)

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95
Q

Vastus lateralis origin (proximal)

A

Greater trochanter, intertrochanteric line, linea aspera of femur

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96
Q

Vastus lateralis insertion (distal)

A

Patella via quadriceps tendon

Tibial tuberosity via patellar ligament

97
Q

Vastus lateralis actions

A

Extends leg at knee

98
Q

Vastus lateralis nerve supply

A

Femoral nerve (L2, L3, L4)

99
Q

Vastus medialis origin (proximal)

A

Intertrochanteric line, medial lip of linea aspera of femur

100
Q

Vastus medialis insertion (distal)

A

Patella via quadriceps tendon

Tibial tuberosity via patellar ligament

101
Q

Vastus medialis actions

A

Extends leg at knee

102
Q

Vastus medialis nerve supply

A

Femoral nerve (L2, L3, L4)

103
Q

Vastus intermedius origin (proximal)

A

Anterior and lateral shaft of femur

104
Q

Vastus intermedius insertion (distal)

A

Patella via quadriceps tendon

Tibial tuberosity via patellar ligament

105
Q

Vastus intermedius actions

A

Extends leg at knee

106
Q

Vastus intermedius nerve supply

A

Femoral nerve (L2, L3, L4)

107
Q

Pectineus origin (proximal)

A

Superior pubis ramis

108
Q

Pectineus insertion (distal)

A

Posteriorly, below lesser trochanter, on linea aspera

109
Q

Pectineus actions

A

Flexes, adducts, medially rotates thigh

110
Q

Pectineus nerve supply

A
Femoral nerve (L2, L3, L4)
Sometimes obturator nerve (L2, L3, L4)
111
Q

Gracilis origin (proximal)

A

Pubic bone (inferior ramus)

112
Q

Gracilis insertion (distal)

A

Upper part of medial surface of tibia

113
Q

Gracilis actions

A

Adducts thigh at hip
Flexes leg at knee
Medially rotates leg with flexed knee

114
Q

Gracilis nerve supply

A

Obturator nerve (L2, L3, L4)

115
Q

What (3) muscles make up the guy ropes of the thigh?

A

Gracilis
Semitendinosus
Sartorius

116
Q

Adductor longus origin (proximal)

A

Pubic bone

117
Q

Adductor longus insertion (distal)

A

Medial lip of linea aspera

118
Q

Adductor longus actions

A

Adducts thigh at hip

119
Q

Adductor longus nerve supply

A

Obturator nerve (L2, L3, L4)

120
Q

Adductor brevis origin (proximal)

A

Pubic bone

121
Q

Adductor brevis insertion (distal)

A

Linea aspera

122
Q

Adductor brevis actions

A

Adducts thigh at hip

123
Q

Adductor brevis nerve supply

A

Obturator nerve (L2, L3, L4)

124
Q

What is the name of the hole that the femoral artery passes through? (What direction)

A

Adductor hiatus

Anterior in thigh, posterior in leg

125
Q

What are the lateral, medial, and superior borders of the femoral triangle?

A

Lateral: sartorius
Medial: adductor longus
Superior: inguinal ligament

126
Q

What are the (3) major contents of the femoral triangle?

A

Femoral vein
Femoral artery
Femoral nerve

127
Q

What is the name of the femoral artery and vein after they pass through the adductor hiatus?

A

Popliteal artery and vein

128
Q

What muscles and nerve are affected in Trendelenburg gait? (Hip drop)

A

Weakess of hip abducor muscles (gluteus medius and gluteus minimus) on opposite side from drop.
Innervated by superior gluteal nerve

129
Q

What bones are a part of the knee joint?

A

Femur, tibia, patella

130
Q

What type of joint is the knee joint?

A

Modified hinge joint

131
Q

What are the (9) muscles that flex the leg at the knee?

A

Primary: hamstrings (Biceps femoris, semitendinosus, semimembranosus, adductor magnus)
Secondary: sartorius, gracillis, gastrocnemius, plantaris, popliteus

132
Q

What are the (4) muscles that extend the leg at the knee?

A

Rectus femoris
Vastus medialis
Vastus intermedius
Vastus lateralis

133
Q

What is the largest sesamoid bone in the body?

A

The patella

134
Q

What muscle prevents lateral dislocation of the patella?

A

The vastus medialis provides an asymmetrical pull to prevent lateral dislocation

135
Q

What is the primary lateral rotator of the flexed knee?

A

Biceps femoris

136
Q

What are the (4) primay medial rotators of the flexed knee?

A

Semimembranosus, semitendinosus, gracilis, sartorius

137
Q

Popliteus origin (proximal)

A

Lateral surface of lateral condyle of femur

138
Q

Popliteus insertion (distal)

A

Upper part of posterior surface of tibia

139
Q

Popliteus actions

A

Rotates leg medially when femur is fixed
Rotates thigh laterally when foot is fixed on floor
Flexes leg a knee

140
Q

Popliteus nerve supply

A

Tibial nerve (L4, L5, S1)

141
Q

What (2) ligaments prevent hyperextension of the knee?

A

Medial and lateral collateral ligaments

142
Q

What are the (6) ligaments of the knee joint?

A

Anterior and posterior cruciate ligament
Lateral and medial collateral ligament
Lateral and medial meniscus

143
Q

Which meniscus is wider?

A

Medial meniscus

144
Q

Which meniscus is closer to being a complete circle?

A

Lateral meniscus

145
Q

Where do the anterior and posterior cruciate ligaments start and end?

A

Anterior: starts lateral and posterior, ends medial and anterior
Posterior: starts medial and anterior, ends lateral and posterior

146
Q

Which meniscus and collateral ligament do not touch (gap between)?

A

Lateral side

147
Q

What are ruptured in “O’Donoghue’s unhappy triad”?

A

Medial collateral ligament
Anterior cruciate ligament
Medial meniscus

148
Q

What are the (3) bursa around the patella?

A

Suprapatellar bursa
Prepatellar bursa
Infrapatellar bursa

149
Q

Which bursa is affected in “Housemaid’s knees”/surfers knobs?

A

Prepatellar bursa

150
Q

Gastrocnemius origin (proximal)

A

Lateral condyle and posterior surface of femur

151
Q

Gastrocnemius insertion (distal)

A

Posterior surface of the calcaneus

152
Q

Gastronemius actions

A

Plantar flexes foot

Flexes leg at knee

153
Q

Gastrocnemius nerve supply

A

Tibial nerve (S1, S2)

154
Q

Soleus origin (proximal)

A

Posterior surface of tibia (soleal line)
Upper third of posterior surface of fibula
Fibrous arch between tibia and fibula

155
Q

Soleus insertion (distal)

A

Posterior surface of the calcaneus

156
Q

Soleus actions

A

Plantar flexes foot

157
Q

Soleus nerve supply

A

Tibial nerve (S1, S2)

158
Q

Plantaris origin (proximal)

A

Lateral supracondylar ridge of femur

Oblique popliteal ligament

159
Q

Plantaris insertion (distal)

A

Posterior surface of the calcaneus

160
Q

Plantaris actions

A

Plantar flexes foot

Flexes leg

161
Q

Plantaris nerve supply

A

Tibial nerve (L4, L5, S1)

162
Q

Flexor digitorum longus origin (proximal)

A

Medial part of posterior surface of tibia

163
Q

Flexor digitorum longus insertion (distal)

A

Bases of distal phalanges of toes 2-5

164
Q

Flexo digitorum longus actions

A

Flexes distal phalanges of lateral four toes
Asists in plantar flexing foot
Inverts foot

165
Q

Flexor digitorum longus nerve supply

A

Tibial nerve (L5, S1)

166
Q

Flexor hallucis longus origin (proximal)

A

Lower 2/3 of posterior surface of shaft of fibula
Posterior intermuscular septum
Interosseous membrane

167
Q

Flexor hallucis longus insertion (distal)

A

Base of distal phalanx of great toe

168
Q

Flexor hallucis longus actions

A

Flexes distal phalanx of great toe
Assists in plantar flexing foot
Inverts foot

169
Q

Flexor hallucis longus nerve supply

A

Tibial nerve (L5, S1, S2)

170
Q

Tibialis posterior origin (proximal)

A

Lateral part of posterior surface of tibia
Interosseous membrane
Proximal half of posterior surface of fibula

171
Q

Tibialis Posterior insertion (distal)

A
Tuberosity of navicular bone
Cupboid
Cuneiformis
2-4 metatarsals
Sustentaculum tali of calcaneus
172
Q

Tibilalis posterior actions

A

Plantar flexes foot

Inverts foot

173
Q

Tibialis posterior nerve supply

A

Tibial nerve (L5, S1)

174
Q

What are the (3) tibiofibular joints?

A

Proximal joint: synovial
Middle joint: interosseous membrane (syndesmosis)
Distal joint: syndesmosis with very strong ligaments

175
Q

What are the (3) ligaments of the distal tibiofibular joint?

A

Anterior inferior tibiofibular ligament
Posterior tibiofibular ligament
Interosseous ligament

176
Q

What type of joint is the ankle (talocrural) joint

A

Hinge joint between talus and distal ends of tibia and fibula

177
Q

What are the (7) tarsal bones? From medial to lateral and proximal to distal

A
Talus
Calcaneus
Navicular
Cuboid
Cuneiform 1
Cuneiform 2
Cuneiform 3
178
Q

What is the strongest ligament in the ankle?

A

Deloid/medial ligament

Connects the medial malleolus to the talus, sustentaculum tali, and navicular bone

179
Q

What are the primary inverters of the foot?

A

Tibialis anterior and tibialis posterior

180
Q

What are the primary everters of the foot?

A

Peroneus longus, peroneus brevis, peroneus tertius

181
Q

What joints do eversion and inversion take place?

A
Subtalar joint (b/w talus and calcaneus)
Transverse tarsal joint (talonavicular and calcaneocuboid joints)
182
Q

What innervates the anterior compartment of the leg?

A

Deep fibular (peroneal) nerve

183
Q

What innervates the lateral compartment of the leg?

A

Superficial fibular (peroneal) nerve

184
Q

What innervates the posterior compartment of the leg?

A

Tibial nerve

185
Q

What are the (3) primary plantarflexors of the foot? (Also the superficial layer of the calf)

A

Gastrocnemius
Soleus
Plantaris

186
Q

What are the (3) muscles of the deep layer of the leg?

A

Tibialis posterior
Flexor digitorum longus
Flexor hallucis longus

187
Q

What are the (2) muscles of the lateral compartment of the leg?

A

Peroneus/fibularis longus

Peroneus/fibularis brevis

188
Q

Peroneus/fibularis longus origin (proximal)

A

Upper 2/3 of lateral surface of fibula

189
Q

Peroneus/fibularis longus insertion (distal)

A

Lateral side of medial cuneiform

Base of 1st metatarsal

190
Q

Peroeus/fibularis longus actions

A

Plantar flexes and everts foot

191
Q

Peroneus/fibularis longus nerve supply

A

Superficial peroneal/fibular nerve (L4, L5, S1)

192
Q

Peroneus/fibularis brevis origin (proximal)

A

Lower 2/3 of lateral surface of fibula

193
Q

Peroneus/fibularis brevis insertion (distal)

A

Lateral side of base of 5th metatarsal

194
Q

Peroneus/fibularis brevis actions

A

Plantar flexes and everts foot

195
Q

Peroneus/fibularis brevis nerve supply

A

Superficial peroneal/fibular nerve (L4, L5, S1)

196
Q

What are the (4) muscles of the anterior compartment of the leg?

A

Tibialis anterior
Extensor digitorum longus
Extensor hallucis longus
Peroneus/fibularis tertius

197
Q

Tibialis anterior insertion (distal)

A

Medial side and plantar surface of medial cuneiform bone

Base of 1st metatarsal

198
Q

Tibialis anterior actions

A

Dorsiflexes foot at ankle

Inverts foot

199
Q

Tibialis anterior nerve supply

A

Deep peroneal/fibular nerve (L4, L5, S1)

200
Q

Extensor hallucis longus insertion (distal)

A

Base of distal phalanx of great toe

201
Q

Extensor hallucis longus actions

A

Extends great toe

Dorsiflexes and inverts foot

202
Q

Extensor hallucis longus nerve supply

A

Deep peroneal/fibular nerve (L4, L5, S1)

203
Q

Extensor digitorum longus insertion (distal)

A

Into extensor expansion on dorsal surface of four lateral toes and then bases of middle and distal phalanges

204
Q

Extensor digitorum longus actions

A

Extends toes

Dorsiflexes foot

205
Q

Extensor digitorum longus nerve supply

A

Deep peroneal/fibular nerve (L4, L5, S1)

206
Q

Peroneus/fibularis tertius insertion (distal)

A

Dorsal surface of base of 5th metatarsal

207
Q

Peroneus/fibularis tertius actions

A

Dorsiflexes and everts foot

208
Q

Peroneus/fibularis tertius nerve supply

A

Deep peroneal/fibular nerve (L4, L5, S1)

209
Q

What are the (3) intrinsic muscles of the first layer of the foot?

A

Flexor digitorum brevis
Abductor hallucis
Abductor digiti minimi

210
Q

Flexor digitorum brevis attachments

A

Calcaneus

Toes 2-5

211
Q

Flexor digitorum brevis actions

A

Flexes toes 2-5

212
Q

Flexor digitorum brevis nerve supply

A

Medial plantar nerve (branch from tibial nerve)

213
Q

What are the (4) intrinsic muscles of the second layer of the foot?

A

Lumbricals (4)
Quadratus plantae/flexor accessorius
Flexor hallucis longus
Flexor digitorum longus

214
Q

Quadratus plantae attachments

A

Calcaneus

Tendons of flexor digitorum longus

215
Q

Quadratus plantae actions

A

Assists flexor digitorum longus in flexion of toes 2-5

216
Q

Quadratus plantae nerve supply

A

Lateral plantar nerve (branch of tibial nerve)

217
Q

Which muscle corrects the sideways pull of the flexor digitorum longus to the pinky toe?

A

Quadratus plantae

218
Q

What are the (3) intrinsic muscles of the third layer of the foot?

A

Flexor hallucis brevis
Adductor hallucis
Flexor digiti minimi brevis

219
Q

What are the (2) intrinsic muscles of the fourth layer of the foot?

A

Dorsal interossei

Plantar interossei

220
Q

What is the only intrinsic muscle in the dorsum of the foot?

A

Extensor digitorum brevis

221
Q

What are the (4) ligaments that support the longitudinal arches?

A

Plantar calcaneonavicular ligament (spring ligament)
Plantar calcaneocuboid ligament (short plantar ligament)
Long plantar ligament
Plantar aponeurosis

222
Q

Why is white matter white?

A

Because the myelin on the axons makes it appear white

223
Q

What are the (3) major symptoms of Horner’s syndrome?

A

Ptosis (drooping eyelid)
Miosis (constricted pupil)
Anhidrosis (decreased secretions)

224
Q

What nerve(s) are affected in Klumpke’s paralysis?

A

C8 & T1

225
Q

Does the lumbrosacral plexus arise from ventral or dorsal rami of spinal nerves?

A

Ventral rami of L1-L5, S1-S3

226
Q

What divisions form the obturator nerve?

A

Anterior of L2, L3, L4

227
Q

What divisions form the femoral nerve?

A

Posterior divisions of L2, L3, L4

228
Q

What are the distal divisions of the sciatic nerve?

A
Tibial nerve (anterior L4-S3)
Common peroneal/fibular nerve (posterior L4-S3)
229
Q

What (11) muscles are innervated by the tibial nerve? (Not including plantar branches)

A
Semitendinosus
Biceps femoris (long head)
Adductor magnus
Semimembranosus
Gastrocnemius
Plantaris
Soleus
Popliteus
Tibialis posterior
Flexor digitorum longus
Flexor hallucis longus
230
Q

What (4) muscles are innervated by the medial plantar nerve (branch of tibial nerve)?

A

Abductor hallucis
Flexor digitorum brevis
Flexor hallucis brevis
1st lumbrical

231
Q

What are the (7) muscles innervated by the lateral plantar nerve (branch of tibial nerve)?

A
Quadratus plantae
Abductor digiti minimi
Flexor digiti minimi brevis
3 lateral lumbricals 
All dorsal interossei
All plantar interossei 
Adductor hallucis
233
Q

What (2) muscles are innervated by the superior gluteal nerve?

A

Gluteus medius

Gluteus minimus

234
Q

What muscle is innervated by the inferior gluteal nerve?

A

Gluteus maximus

235
Q

What muscle is innervated by the common peroneal/fibular nerve?

A

Biceps femoris (short head)

236
Q

What (2) muscles are innervated by the superficial peroneal/fibular nerve?

A

Peroneus/fibularis longus

Peroneus/fibularis brevis

237
Q

What (5) muscles are innervated by the deep peroneal/fibular nerve?

A
Tibialis anterior
Extensor hallucis longus
Extensor digitorum longus
Peroneus/fibularis tertius
Extensor digitorum brevis
238
Q

What are the (8) muscles innervated by the femoral nerve?

A
Psoas
Iliacus
Rectus femoris
Sartorius
Vastus lateralis
Vastus intermedius
Vastus medialis
Pectineus
239
Q

What nerve innervates the first interdigital cleft?

A

Deep peroneal/fibular nerve

240
Q

What are the (6) muscles innervated by the obturator nerve?

A
Pectineus
Obturator externus
Adductor brevis
Adductor longus
Gracilis
Adductor magnus