O's and I's Lower Extremity Part 1 Flashcards
(100 cards)
1
Q
Gluteus Minimus Action
A
Abducts and medially rotates thigh
2
Q
Gluteus Maximus Origin
A
- Outer rim of Ilium (medial aspect)
- Dorsal surface of sacrum and coccyx
- sacrotuberous ligament
3
Q
Tensor Fascia Latae Origin
A
Anterior Superior Iliac Spine
4
Q
Tensor Fascia Latae Action
A
- Abducts with hip in flexed position
2. Rotates and abducts a flexed thigh
5
Q
Gluteus Maximus Action
A
- Extends the hip
- Laterally rotates the thigh
- Upper fibers aid to abduct thigh
6
Q
Tensor Fascia Latae Insertion
A
IT band down to Gerdy’s Tubercle
7
Q
Gluteus Medius Insertion
A
Superior aspect of greater trochanter
8
Q
Gluteus Maximus Nerve
A
Inferior Gluteal Nerve
9
Q
Gluteus Maximus Insertion
A
- Gluteal Tuberosity of Femur
2. IT band
10
Q
Gluteus Minimus Origin
A
Outer aspect of Ilium between anterior and inferior gluteal lines
11
Q
Gluteus Medius Nerve
A
Superior Gluteal Nerve
12
Q
Gluteus Medius Origin
A
Outer aspect of Ilium between Iliac Crest and anterior and posterior gluteal lines
13
Q
Tensor Fascia Latae Nerve
A
Superior Gluteal Nerve
14
Q
Gluteus Minimus Nerve
A
Superior Gluteal Nerve
15
Q
Gluteus Medius Action
A
- Abducts and medially rotates thigh
2. Functionally: stabilized pelvis and prevents free limb from sagging during gait
16
Q
Gluteus Minimus Insertion
A
Greater Trochanter
17
Q
Piriformis Origin
A
Anterior surface of Sacrum
18
Q
Piriformis Insertion
A
Medial surface of Greater Trochanter (through greater sciatic foramen)
19
Q
Piriformis Action
A
- Medially rotates the thigh when hip is flexed past 90 degrees
- Laterally rotates the thigh when his is flexed less than 90 degrees
20
Q
Piriformis Nerve
A
Nerve to Piriformis
21
Q
Superior Gemellus Origin
A
Ischial Spine
22
Q
Superior Gemellus Insertion
A
tendon to Obturator Internus
23
Q
Superior Gemellus Action
A
Laterally rotates thigh (femur)
24
Q
Superior Gemellus Nerve
A
Nerve to Obturator Internus
25
Obturator Internus Origin
Internal surface of Obturator Foramen
26
Obturator Internus Insertion
Medial aspect of Greater Trochanter (through greater sciatic foramen)
27
Obturator Internus Action
Laterally rotates thigh (femur)
28
Obturator Internus Nerve
Nerve to Obturator Internus
29
Inferior Gemellus Origin
Ischial Tuberosity
30
Inferior Gemellus Insertion
Tendon of Obturator Internus
31
Inferior Gemellus Action
Laterally rotates thigh (femur)
32
Inferior Gemellus Nerve
Nerve to Quadratis Femoris
33
Obturator Externus Origin
External surface of Obturator membrane
34
Obturator Externus Insertion
Trochanteric Fossa of Femur
35
Obturator Externus Action
Laterally rotates thigh (femur)
36
Obturator Externus Nerve
Obturator
37
Quadratis Femoris Origin
Ischial Tuberosity
38
Quadratis Femoris Insertion
Quadrate Tubercle
39
Quadratis Femoris Action
Laterally rotates thigh (femur)
40
Quadratis Femoris Nerve
Nerve to Quadratis Femoris
41
Semitendinosus Origin
Ischial Tuberosity
42
Semitendinosus Insertion
Anteromedial aspect of the Tibial shaft
43
Semitendinosus Action
1. Extends hip
2. Flexes knee
3. Medially rotates tibia (open chain)
44
Semitendinosus Nerve
Tibial Nerve
45
Semimembranosus Origin
Ischial Tuberosity
46
Semimembranosus Insertion
Posterior medial aspect of the medial tibial condyle
47
Semimembranosus Action
1. Extends hip
2. Flexes knee
3. Medially rotates tibia (open chain)
48
Semimembranosus Nerve
Tibial Nerve
49
Biceps Femoris Origin
Long head: Ischial Tuberosity
Short head: Lateral lip of Linea Aspera
50
Biceps Femoris Insertion
Head of Fibula
51
Biceps Femoris Action
1. Flexes knee
2. Extends hip (long head)
3. Laterally rotates tibia (open chain)
52
Biceps Femoris Nerve
Long head: Tibial portion of Sciatic Nerve
Short head: Common Peroneal of Sciatic Nerve
53
Sartorius Origin
Anterior Superior Iliac Spine
54
Sartorius Insertion
1. Upper medial aspect of proximal Tibia
| 2. Contributes to Pes Anserine
55
Sartorius Action
1. Flexes hip
2. Flexes knee
3. External rotation and abduction of hip
All done together
56
Sartorius Nerve
Femoral Nerve
57
Rectus Femoris Origin
Anterior Head: Anterior Inferior Iliac Spine
Posterior Head: just above Acetabulum
58
Rectus Femoris Insertion
Tibial Tuberosity
59
Rectus Femoris Action
1. Extends knee
| 2. Flexes hip
60
Rectus Femoris Nerve
Femoral Nerve
61
Vastus Lateralis Origin
1. Greater Trochanter
| 2. Lateral lip of Linea Aspera
62
Vastus Lateralis Insertion
Tibial Tuberosity
63
Vastus Lateralis Action
Extends knee
64
Vastus Lateralis Nerve
Femoral Nerve
65
Vastus Medialis Origin
1. Intertrochanteric line of Femur
| 2. Medial aspect of Linea Aspera
66
Vastus Medialis Insertion
Tibial Tuberosity
67
Vastus Medialis Action
Extends knee
68
Vastus Medialis Nerve
Femoral Nerve
69
Vastus Intermedius Origin
Anterior Lateral aspect of the Femoral shaft
70
Vastus Intermedius Insertion
Tibial Tuberosity
71
Vastus Intermedius Action
Extends knee
72
Vastus Intermedius Nerve
Femoral Nerve
73
Iliacus Origin
Inner surface of upper Iliac Fossa
74
Iliacus Insertion
Lesser Trochanter
75
Iliacus Action
1. Flexes hip
| 2. Externally rotates femur
76
Iliacus Nerve
Femoral
77
Psoas Major Origin
bodies and transverse processes of L1-L4
78
Psoas Major Insertion
Lesser Trochanter
79
Psoas Major Action
1. Flexes hip
| 2. Externally rotates femur
80
Psoas Major Nerve
Ventral Rami L1-L4
81
Adductor Magnus Origin
1. Anterior Fibers: Inferior Pubic Ramus
2. Posterior Fibers: Ischial Tuberosity
3. Oblique Fibers: Ischial Ramus
82
Adductor Magnus Insertion
1. Proximal 1/3 of linea aspera
| 2. Adductor Tubercle
83
Adductor Magnus Action
1. Adducts thigh
| 2. Posterior fibers extend and laterally rotate the thigh
84
Adductor Magnus Nerve
1. Anterior Fibers: Obturator
| 2. Posterior Fibers: Tibial
85
Adductor Longus Origin
Anterior surface of Pubis, just inferior to the Pubic Ramus
86
Adductor Longus Insertion
Medial lip of Linea Aspera on middle half of femur
87
Adductor Longus Action
1. Adducts thigh
| 2. Flexes hip from extended position
88
Adductor Longus Nerve
Obturator
89
Adductor Brevis Origin
Body and Inferior Pubic Ramus
90
Adductor Brevis Insertion
Superior Portion of Linea Aspera
91
Adductor Brevis Action
1. Adducts thigh
| 2. Flexes hip from extended position
92
Adductor Brevis Nerve
Obturator
93
Gracilis Origin
Inferior Pubic Ramus
94
Gracilis Insertion
1. Medial surface of proximal Tibia, inferior to Tibial Condyle
2. Contributes to Pes Anserine
95
Gracilis Action
1. Adducts thigh
2. Flexes knee
3. Medially rotates Tibia
96
Gracilis Nerve
Obturator
97
Pectineus Origin
Pectineal line of Pubis
98
Pectineus Insertion
Pectineal line of Femur
99
Pectineus Action
1. Hip adduction
2. Flexes thigh
3. Medially rotates thigh
100
Pectineus Nerve
Femoral and Accessory Obturator
