L.E. Muscle Actions, O's & I's (Class #2) Flashcards
To learn all the Actions, Origins, and Insertions of the muscles in our BSMT Kinesiology class
Anterior Compartment of the Thigh; Quadriceps Muscles
Rectus Femoris*
Muscle #58
TG pg. 306
ACB pg. 62
> Name the Origin(s), Insertion(s) and Action(s) of this muscle.
ORIGIN(S):
- AIIS of the Ilium
INSERTION(S):
- Patella and Tibial Tuberosity via the Patella Ligament
ACTION(S):
- Extension of the leg at the knee, and
- Flexion of the thigh at the hip
Anterior Compartment of the Thigh; Quadriceps Muscles
Vastus Lateralis*
Muscle #57
TG pg. 306
ACB pg. 62
> Name the Origin(s), Insertion(s) and Action(s) of this muscle.
ORIGIN(S):
- Greater Trochanter and
- Linea Aspera (lateral lip) of the Femur
INSERTION(S):
- Patella and Tibial Tuberosity via the Patella Ligament
ACTION(S):
- Extension of the leg at the knee
Anterior Compartment of the Thigh; Quadriceps Muscles
Vastus Medialis*
Muscle #56
TG pg. 306
ACB pg. 62
> Name the Origin(s), Insertion(s) and Action(s) of this muscle.
ORIGIN(S):
- Linea Aspera (medial lip) of the Femur
INSERTION(S):
- Patella and Tibial Tuberosity via the Patella Ligament
ACTION(S):
- Extension of the leg at the knee
Anterior Compartment of the Thigh; Quadriceps Muscles
Vastus Intermedius*
Muscle #55
TG pg. 306
ACB pg. 62
> Name the Origin(s), Insertion(s) and Action(s) of this muscle.
ORIGIN(S):
- Anterior and lateral surfaces of the shaft of the femur
INSERTION(S):
- Patella and Tibial Tuberosity via the Patella Ligament
ACTION(S):
- Extension of the leg at the knee
Anterior Compartment of the Thigh
Sartorius*
Muscle #59
TG pg. 326
ACB pg. 62
> Name the Origin(s), Insertion(s) and Action(s) of this muscle.
ORIGIN(S):
- ASIS of the Ilium
INSERTION(S):
- Medial condyle of the Tibia (Pes Anserinus)
ACTION(S):
- Flexion of the thigh at the hip,
- ABduction of the “ “ “ “
- Lateral rotation of the “ “ “ “
- Flexion of the leg at the knee
Posterior Compartment of the Thigh, Hamstring Muscles
Semitendinosus*
Muscle #66
TG pg. 312
ACB pg. 60
> Name the Origin(s), Insertion(s) and Action(s) of this muscle.
ORIGIN(S):
- Ischial Tuberosity of the Ischium
INSERTION(S):
- Media condyle of the Tibia (Pes Anserinus)
ACTION(S):
- Extension of the thigh at the hip, and
- Flexion of the leg at the knee
Posterior Compartment of the Thigh, Hamstring Muscles
Semimembranosus*
Muscle #65
TG pg. 312
ACB pg. 60
> Name the Origin(s), Insertion(s) and Action(s) of this muscle.
ORIGIN(S):
- Ischial Tuberosity of the Ischium
INSERTION(S):
- Posterior aspect of the Medial condyle of the Tibia
ACTION(S):
- Extension of the thigh at the hip, and
- Flexion of the leg at the knee
Posterior Compartment of the Thigh, Hamstring Muscles
Bicep Femoris*
Muscle #67
TG pg. 311
ACB pg. 30
> Name the Origin(s), Insertion(s) and Action(s) of this muscle.
ORIGIN(S):
- Long Head: Ischial Tuberosity of the Ischium
- Short Head: Linea Aspera (lateral) of the Femur
INSERTION(S):
- Head of the Fibula
ACTION(S):
- Extension of the thigh at the hip, and
- Flexion of the leg at the knee
Superficial Layer of the Posterior compartment of the Leg
Gastrocnemius*
Muscle #54
TG pg. 371
ACB pg. 64
> Name the Origin(s), Insertion(s) and Action(s) of this muscle.
ORIGIN(S):
- Lateral Head: Lateral condyle of the Femur
- Medial Head: Medial condyle of the Femur
INSERTION(S):
- Calcaneus via the Calcaneal tendon
ACTION(S):
- Plantarflexion of the foot at the ankle, and
- Flexion of the leg at the knee
Intermediate layer of the Posterior Compartment of the Leg
Soleus*
Muscle #52
TG pg. 371
ACB pg. 64
> Name the Origin(s), Insertion(s) and Action(s) of this muscle.
ORIGIN(S):
- Head of the Fibula, Fibula, Soleal line and posterior surface of the Tibia
INSERTION(S):
- Calcaneus via the Calcaneal tendon
ACTION(S):
- Plantarflexion of the foot at the ankle
Superficial Layer of the Lateral compartment of the Leg
Fibularis (Peroneus) Longus*
Muscle #47
TG pg. 376
ACB pg. 63
> Name the Origin(s), Insertion(s) and Action(s) of this muscle.
***Note: One of the two “stirrup muscles”
ORIGIN(S):
- Head and proximal 2/3 of the Fibula
INSERTION(S):
- Base of 1st metatarsal and medial cuneiform
ACTION(S):
- Plantarflexion of the foot at the ankle, and
- Eversion of the “ “ “ “
Deep Layer of the Lateral compartment of the Leg
Fibularis (peroneus) Brevis*
Muscle #46
TG pg. 376
ACB pg. 63
> Name the Origin(s), Insertion(s) and Action(s) of this muscle.
ORIGIN(S):
- Distal 2/3 of the Fibula
INSERTION(S):
- Base of the 5th metatarsal
ACTION(S):
- Plantarflexion of the foot at the ankle, and
- Eversion of the “ “ “ “
Superficial layer of the Anterior Compartment of the Leg
Tibialis Anterior*
Muscle #45
TG pg. 378
ACB pg. 63
> Name the Origin(s), Insertion(s) and Action(s) of this muscle.
***Note: One of the two “stirrup muscles”
ORIGIN(S):
- Lateral condyle and proximal 1/2 of the Tibia (and interosseus membrane)
INSERTION(S):
- Base of 1st metatarsal and medial cuneiform
ACTION(S):
- Dorsiflexion of the foot at the ankle, and
- Inversion of the “ “ “ “
