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Anatomy lab > Unit 7 muscles of the inferior limb > Flashcards

Unit 7 muscles of the inferior limb Flashcards

1
Q

anterior muscles of the hip

A

this “group”of muscles includes only two large muscles bellies and they are so closely related that they are given a combined name- iliopsoas muscle

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2
Q

iliopsoas muscle

A

located on the anterior aspect of the proximal thigh

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3
Q

iliacus muscle

A

Origin: iliac fossa Insertion: lesser trochanter and adjacent body of the femur Action: flex coxal joint, rotate thigh lateral (externally)

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4
Q

psoas major muscle

A

Origin: bodies of vertebrae T12-L5 Insertion: lesser trochanter of the femur bone Action: flex coxal joint, rotate thigh laterally (externally), flex the vertebrae joints in the lumbar region (weakly)

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5
Q

posterior and lateral muscles of the hip

A

four muscles include the three gluteal muscles and the tensor fasciae latae muscle

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6
Q

gluteus maximus muscle

A

Origin: bony sacrum, iliac crest, coccyx Insertion: proximolateral aspect of the body of the femur bone and iliotibial tract Action: extend coxal joint, rotate thigh laterally (externally) some adduction of inferior limb at coxal joint

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7
Q

gluteus medius muscle

A

Origin: gluteal surface of the ilium Insertion: greater trochanter of the femur bone Action: abduct inferior limb at coxal joint, rotate thigh laterally (externally)

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8
Q

gluteus minimus muscle

A

Origin: gluteal surface of the ilium Insertion: greater trochanter of the femur bone Action: abduct inferior limb at coxal joint

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9
Q

tensor fasciae latae muscle

A

Origin: anterior superior iliac spine Insertion: lateral condyle of the tibia Action: flex coxal joint, medial rotation of thigh, abduct inferior limb at coxal joint

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10
Q

fascia lata

A

broad flat sheet of deep fascia on the lateral aspect of the thigh

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11
Q

iliotibial tract

A

dense band within the fascia lata

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12
Q

anterior muscles of the thigh

A

3 muscles that are located on the anterior aspect of the thigh

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13
Q

sartorius muscle

A

Origin: anterior superior iliac spine, Insertion: medial aspect of the tibial tuberosity Action: flex coxal joint rotate thigh laterally (externally), felt genial joint, rotate crus medially (internally) at knee joint

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14
Q

quadriceps femoris muscle

A

4 headed muscles which occupies most of the anterior thigh region

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15
Q

rectus femoris muscle

A

Origin: anterior inferior iliac spine Insertion: tibial tuberosity Action: flex coxal joint, extend genual joint

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16
Q

vastus intermedius muscle

A

Origin: anterior aspect of body of the femur bone Insertion: tibial tuberosity Action: extend genual joint

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17
Q

vastus lateralis muscle

A

Origin: lateral aspect of body of the femur bone Insertion: tibial tuberosity Action: extend genual joint

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18
Q

vastus medialis muscle

A

Origin: medial aspect of body of the femur bone Insertion: tibial tuberosity Action: extend genual joint

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19
Q

posterior muscles of the thigh

A

3 large muscles on the back of the thigh “hamstrings”

20
Q

biceps femoris muscle

A

large muscle on post lateral aspect of the thigh it has two heads

21
Q

long head of the biceps femoris muscle

A

Origin: ischiatica tuber Insertion: head of the fibula, lateral condyle of the tibia Action: extend coxal joint (long head), flex genual joint, rotate crus laterally (externally)

22
Q

short head of the biceps femoris muscle

A

Origin: lateral lip of linea aspera of the femur bone head of the fibula, lateral condyle of the tibia Action: flex genual joint, rotate crus laterally (externally)

23
Q

semitendinosus muscle

A

Origin: ischiatic tuber Insertion: medial aspect of the proximal part of the tibia body Action: extend coxal joint, flex genual joint, rotate crus medially (internally)

24
Q

semimembranosus muscle

A

Origin: ischiatic tuber Insertion: medial condyle of the tibia Action: extend coxal join, flex genual joint, rotate crus medially (internally)

25
Q

medial muscles of the thigh

A

6 mules in this group

26
Q

gracilis muscle

A

Origin: inferior rams of the pubis Insertion: medial aspect of proximal part of the tibial body Action: adduct inferior limb at coxal joint, flex genual joint rotate crus medially (internally)

27
Q

pectineus muscle

A

Origin: pecten of the pubis Insertion: proximal end of the posterior aspect of the femoral body Action: adduct inferior limb at coxal join, flex coxal joint

28
Q

adductor longus muscle

A

Origin: pubic symphysis and adjacent body of the pubis Insertion: middle third of the medial lip of linea aspera of the femur bone Action: adduct inferior limb at coxal joint

29
Q

adductor brevis muscle

A

Origin: inferior famous of the pubis Insertion: medial lip of linea aspera of the femur bone Action: adduct inferior limb at coxal joint

30
Q

adductor Magnus muscle

A

Origin: ischiatic tuber, inferior rams of the pubis, rams of the ischium Insertion: linea aspera and adductor tubercle o the femur bone Action: adduct inferior limb at coxal joint, extend coxal joint

31
Q

anterolateral muscles of the crus

A

6 muscles are flexors

32
Q

anterior tibial muscles

A

Origin: proximal tibia and crural interosseous membrane Insertion: medial cuneiform bone and first metatarsal bone Action: flex (dorsiflex) the talocrural joint, invert the foot

33
Q

long digital extensor muscle

A

Origin: laterally condyle of the tibia, proximal fibula and crural interosseous membrane Insertion: distal phalanges of digits 2-5 Action: flex ( dorsiflex) talocrural joint, extend digit joints of digits 2-5

34
Q

extensor hallucis longus muscle

A

Origin: middle of the fibula and crural interosseous membrane Insertion: base of the distal phalanx of the big toe Action: extend digital joints of big toe, flex (dorsiflex) talocrural joint

35
Q

peroneus (fibularis) longus muscle

A

Origin: proximal 3rd of the fibula Insertion: medial cuneiform bone and base of the 1st metatarsal bone Action: extend (planter flex) talocrural joint, evert pes

36
Q

peroneus (fibularis) brevis muscle

A

Origin: lateral half of the fibula Insertion: base of the 5th metatarsal bone Action: evert foot, extend (plantar flex) the talocrural joint

37
Q

peroneus tertius muscle

A

Origin: lower 3rd of the body of the fibula Insertion: dorsal of the ase of the 5th metatarsal bone Action: flex (dorsiflex) the talocrural joint, evert the pes

38
Q

posterior muscles of the crus

A

7 muscles are flexors of the digital joints

39
Q

gastrocnemius muscle

A

muscles which form much of the contour of the calf of the leg

40
Q

soleus muscle

A

Origin: posteroproximal aspect of the tibia ad fibula Insertion: tuber calcanei Action: extend (plantar flex) talocrural joint, flex genual joint

41
Q

plantaris muscle

A

Origin: lateral epicondyle of the femur bone Insertion: tuber calcanei Action: extend (planter flex) talocrural joint

42
Q

popliteus muscle

A

Origin: lateral epicondyle of the femur bone Insertion: posterior aspect of the tibia above the live of the soleus muscle Action: flex genual joint, rotate crus medially (internally)

43
Q

flexor hallucis longus muscle

A

Origin: distal 2-thirds of the fibula and crural interosseous membrane Insertion: base of the distal phalanx of the 1st digit Action: flex digital joints of the 1st digit, extend (plantar flex) talocrural joint, invert pes

44
Q

flexor digitorum longus muscle

A

Origin: 3rd of posterior surface of the tibia Insertion: digital phalanges of digits 2-5 Action: flex digital joins of minor toes, extend (plantar flex) talocrural joint

45
Q

posterior tibial muscle

A

Origin: posterior aspect of the tibia and fibula Insertion: tarsal bones (except talus) and metatarsal bones 2-4 Action: extend ( plantar flex) talocrural joint, invert pes

46
Q

posterior tibial muscle

A

Origin: posterior aspect of the tibia and fibula Insertion: tarsal bones (except talus) and metatarsal bones 2-4 Action: extend ( plantar flex) talocrural joint, invert pes

Anatomy lab (15 decks)

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