Spring Unit 1 Flashcards
1
Q
Fibularis longus origin
A
head and lateral surface of proximal fibula
2
Q
fibularis longus insertion
A
base of 1st metatarsal medial cuneiform
3
Q
fibularis longus action
A
platarflexion of talocrural joint in the horizontal axis and eversion of subtalar joint in the A-P axis
4
Q
fibularis longus innervation
A
superficial fibular nerve L5-S1
5
Q
fibularis brevis origin
A
lateral surface of distal fibula
6
Q
fibularis brevis insertion
A
tuberosity of the base of the 5th metatarsal
7
Q
fibularis brevis action
A
plantarflexion of talocrural joint in the horizontal axis and eversion of the subtalar joint in the A-P axis
8
Q
fibularis brevis innervation
A
superficial fibular nerve L5-S1
9
Q
tibialis anterior origin
A
lateral tibial condyle superior half of lateral surface of tibia interosseous membrane crural fascia
10
Q
tibialis anterior insertion
A
middle and inferior surface of medial cuneiform. base of 1st metatarsal
11
Q
tibialis anterior action
A
dorsiflexion of talocrural joint in the sagittal plane and inversion of subtalar joint in the A-P plane
12
Q
tibialis anterior innervation
A
deep fibular nerve L4-L5
13
Q
extensor hallucis longus origin
A
middle part of the anterior surface of the fibula and interosseous membrane
14
Q
extensor hallucis longus insertion
A
dorsal aspect of the base of the distal phalanx of the 1st digit
15
Q
extensor hallucis longus action
A
dorsiflexion of the talcrural joint and extension of the 1st digit (MTP) in the horizontal axis, and eversion of the subtalar joint in the A-P axis
16
Q
extensor hallucis longus innervation
A
deep fibular nerve L4-L5
17
Q
extensor digitorum longus origin
A
lateral condyle of tibia, head and anterior margin of fibula interosseous membrane
18
Q
extensor digitorum longus insertion
A
dorsal surface of the middle and distal phalanges of digits 2-5
19
Q
extensor digitorum longus action
A
dorsiflexion of talocrural joint and extension of digits 2-5 in the sagittal plane, and eversion of the subtalar joint in the A-P axis
20
Q
extensor digitorum longus innervation
A
deep fibular nerve L4-L5
21
Q
fibularis tertius origin
A
anterior surface of the distal 1/3 of the fibula and interosseous membrane
22
Q
fibularis tertius insertion
A
dorsal aspect of the base (shaft) of the 5th metatarsal
23
Q
fibularis tertius action
A
dorsiflexion of the talcrural joint in the horizontal axis and eversion of the subtalar joint in the A-P axis. May have proprioceptive fibers to help prevent ATFL damage- aids in resisting INV forces
24
Q
fibularis tertius innervation
A
deep fibular nerve L4-L5
25
extensor digitorum brevis origin
floor of the tarsal sinus of the calcaneus
26
extensor digitorum brevis insertion
dorsal aspect of middle phalanges of digits 2-4
27
extensor digitorum brevis action
extension of digits 2-4 (MTP) with aid from extensor digitorum longus
28
extensor digitorum brevis innervation
branches of deep fibular nerve L5-S1
29
extensor hallucis brevis origin
floor of the tarsal sinus of the calcaneus
30
extensor hallucis brevis insertion
dorsum of base of proximal phalanx of 1st digit
31
extensor hallucis brevis action
extension of the 1st digit at MTP
32
extensor hallucis brevis innervation
branches of deep fibular nerve L5-S1
33
gastrocnemius medial head origin
popliteal surface of femur superior aspect of medial femoral condyle
34
gastrocnemius lateral head origin
superior aspect of lateral femoral condyle
35
gastrocnemius insertion
dorsum of calcaneus via calcaneal tendon
36
gastrocnemius medial head action
plantarflexion of talocrural joint in the horizontal axis when the knee is extended
37
gatrocnemius lateral head action
flexion of the knee in the sagittal plane
38
gastrocnemius innervation
tibial nerve S1-S2
39
soleus origin
posterior surface of the proximal fibula, soleal line of the tibia
40
soleus insertion
dorsum of calcaneus via calcaneal tendon
41
soleus action
plantarflexion of talocrural joint in the horizontal axis
42
soleus innervation
tibial nerve S1-S2
43
plantaris origin
lateral supracondylar line of the femur
44
plantaris insertion
dorsum of calcaneus via calcaneal tenon (just medial to calcaneal tendon)
45
plantaris action
plantar flexion of talocrural joint in the horizontal axis and flexion of the knee in the sagittal plane. proprioception of the muscles of the leg
46
plantaris innervation
tibial nerve S1-S2
47
tibialis posterior origin
interosseous membrane, interosseous margin of tibia and fibula, posterior surface of tibia inferior to soleal line
48
tibialis posterior insertion
tuberosity of navicular, all 3 cuneiforms, bases of metatarsals 2-4 sustentaculum tali axis (recurrent branch) cuboid (sometimes)
49
tibialis posterior action
plantar flexion of talcrural joint in the horizontal axis, inversion of subtalar joint in the A-P axis. fixes the medial longitudinal arch during weight bearing
50
tibialis posterior innervation
tibial nerve L4-L5
51
flexor digitorum longus origin
middle 1/3 of the posterior surface of the tibia inferior to the soleal line
52
flexor digitorum longus insertion
plantar aspect of bases of distal phalanges 2-5
53
flexor digitorum longus action
plantar flexion of talocrural joint in the horizontal axis, flexion of digits 2-5 in the sagittal plane
54
flexor digitorum longus innervation
tibial nerve S2-S3
55
flexor hallucis longus origin
distal 2/3 of posterior surface of fibula and interosseous membrane
56
flexor hallucis longus insertion
plantar aspect of base of distal phalanx of 1st digit
57
flexor hallucis longus action
plantar flexion of talocrural joint in the horizontal axis, inversion of subtalar joint in the A-P axis, flexion of the 1st digit (MTP)
58
flexor hallucis longus innervation
tibial nerve S2-S3
59
abductor hallucis origin
medial plantar calcaneal tubercle
60
abductor hallucis insertion
medial aspect of base of proximal phalanx of 1st digit
61
abductor hallucis action
abduction of 1st digit, flexion of 1st digit maintain the MLA
62
abductor hallucis innervation
medial plantar nerve S2-S3
63
abductor digiti minimi origin
medial and lateral sides of calcaneal tuberosity and plantar aponeurosis
64
abductor digiti minimi insertion
lateral aspect of base of proximal phalanx of 5th digit
65
abductor digiti minimi action
abduction of 5th digit, flexion of MTP joint
66
abductor digit minimi innervation
lateral plantar nerve S2-S3
67
flexor digitorum brevis origin
calcaneal tuberosity plantar aponeurosis
68
flexor digitorum brevis insertion
plantar aspect of base of middle phalanges of digits 2-5
69
flexor digitorum brevis action
flexion of MTPs and PIPs of digits 2-5
70
flexor digitorum brevis innervation
medial plantar nerve S2-S3
71
quadratus plantae origin
anterior calcaneus (medial and lateral margins) long plantar ligament
72
quadratus plantae insertion
tendon of flexor digitorum longus
73
quadratus plantae action
assist in flexion of digits 2-5, realigns the pull of the FDL tendon
74
quadratus plantae innervation
lateral plantar nerve S2-S3
75
Flexor hallucis brevis medial head origin
spring ligament medial aspect of the 1st metatarsal
76
flexor hallucis brevis medial head origin
medial aspect of base of proximal phalanx of 1st digit
77
flexor hallucis brevis medial head action
flexion of 1st MTP
78
flexor hallucis brevis medial head innervation
medial plantar nerve S2-S3
79
flexor hallucis brevis lateral head origin
cuboid lateral cuneiform
80
flexor hallucis brevis lateral head insertion
lateral aspect of base of proximal phalanx of 1st digit
81
flexor hallucis brevis lateral head action
flexion of 1st MTP
82
flexor hallucis brevis lateral head innervation
medial plantar nerve S2-S3
83
flexor digiti minimi origin
plantar aspect of base of 5th metatarsal, long plantar ligament
84
flexor digiti minimi insertion
base of proximal phalanx of 5th digit
85
flexor digiti minimi action
flexion of 5th MTP
86
flexor digiti minimi innervation
lateral plantar nerve S2-S3
87
semimembranosus origin
ischial tuberosity
88
semimembranosus insertion
posterior aspect of medial tibial condyle, oblique popliteal ligament
89
semimembranosus action
extension of hip flexion, of knee internal rotation of knee in flexed position
90
semimembranosus innervation
tibial division of sciatic nerve L5-S2
91
semitendinosus origin
ischial tuberosity
92
semitendinosus insertion
medial surface of superior part of tibia (pes anserinus 3rd)
93
semitendinosus action
extension of hip, flexion of knee, internal rotation of knee in flexed position
94
semitendinosus innervation
tibial division of sciatic nerve L5-S2
95
gracilis origin
pubic symphysis, inferior pubic ramus
96
gracilis insertion
medial surface of tibia (pes anserinus 2nd)
97
gracilis action
adduction of hip, flexion of knee, and internal rotation of knee when flexed
98
gracilis innervation
anterior division of obturator nerve L2-L3
99
Sartorius origin
anterior superior iliac spine (ASIS)
100
sartorius insertion
medial surface of tibia (pes anserinus 1st)
101
sartorius action
flexion of hip, abduction of hip, external rotation of hip, flexion of knee, and internal rotation of tibia when knee is flexed, flexion of knee
102
sartorius innervation
muscular branches of femoral nerve L2-L3
103
bicep femoris long head origin
ischial tuberosity
104
biceps femoris short head origin
lateral lip of the linea aspera of femur
105
biceps femoris insertion
lateral aspect of the head of the fibula
106
biceps femoris long head action
flexion of the knee
107
biceps femoris short head action
external rotation of the knee and extension of hip
108
biceps femoris long head innervation
tibial division of sciatic nerve L5-S2
109
biceps femoris short head innervation
common fibular division of sciatic nerve L5-S2
110
adductor magnus ischiocondylar (hamstring) part origin
ischial tuberosity
111
adductor magnus ischiocondylar (hamstring) part insertion
adductor tubercle
112
adductor magnus ischiocondylar (hamstring) part action
extension of hip
113
adductor magnus ischiocondylar (hamstring) part innervation
tibial part of sciatic nerve L4
114
popliteus origin
lateral surface of the lateral femoral condyle, and lateral meniscus
115
popliteus innervation
posterior surface of tibia superior to soleal line
116
popliteus action
flexion of the knee in the sagittal plane, external rotation of the femur (transverse, CKC) screwhome mechanism internal rotation of the tibia (OKC, transverse) draw lateral meniscus and femur posteriorly in knee flexion
117
popliteus innervation
tibial nerve L4-S1
118
plantar interossei (1st, 2nd, 3rd) unipennate insertion
bases and medial aspects of digits 3-5
119
plantar interossei (1st, 2nd, 3rd) unipennate action
flexion of the MTPs and extension of IPs of digits 3-5 adduction of digits 3-5
120
dorsal interossei (1st, 2nd, 3rd, and 4th) bipennate insertion
1st DAB- medial surface if proximal phalanx of digit 2.
2-4th DAB lateral sides of digits 2-4
121
dorsal interossei (1st, 2nd, 3rd, and 4th) bipennate action
flexion of MTP and extension of IPs of digits 2-4, abduction of digits 2-4
122
lumbricals origin
tendon of flexor digitorum longus
123
lumbricals insertion
medial aspects of extensor expansion
124
lumbricals action
flexion of proximal phalanges of digits 2-5 aid in extension of middle and distal phalanges 2-5
125
lumbricals innervation
lumbrical most medial- medial plantar nerve
lateral 3 lumbricals- lateral plantar nerve
126
adductor hallucis oblique head origin
plantar aspects of bases 2-4 metatarsals tendon of fibularis longus
127
adductor hallucis transverse head origin
plantar ligaments of MTP joints, deep transverse metatarsal ligament
128
adductor hallucis insertion
lateral aspect of base of proximal phalanx of 1st digit
129
adductor hallucis action
adducts 1st digit at MTP joint
130
adductor hallucis innervation
deep branch of lateral plantar nerve S2-S3
