Lab 16 - Analysis Muscles of Hip and Lower Leg

Identify the muscles in the thigh region.

a

b

c

d

e

f

Gracilis

Patellar ligament

Sartorius

Iliacus

Tensor fasciae latae

Psoas major

Identify the muscles in the anterior view of the right thigh.

a

b

c

d

e

Tensor Fasciae Latae

Rectus Femoris

Vastus Lateralis

Quadriceps femoris tendon

Vastus Medialis

Identify the muscles in the anatomical illustration.

a

b

c

Biceps Femoris

Semimembranosus

Semitendinosus

Match the muscles with the actions.

• Abducts and flexes thigh and rotates it

• Psoas major and iliacus

• Flexes thigh at the hip

• Gracilis

• Adducts thigh and flexes knee

• Sartorius

• Abducts thigh and rotates it medially

• Gluteus medius

Match the muscles with the actions.

• Extends leg at the knee

• Tibialis anterior

• Plantar flexion and inversion of foot

• Biceps femoris

• Flexes leg at the knee and laterally rot

• Tibialis posterior

• Dorsiflexion and inversion of foot

• Quadriceps femoris group

Match the muscle indicated by the following combinations of the image, origin, and insertion

Groups:

(a) Gluteus medius

,

(b) Sartorius

,

(c) Gastrocnemius

,

(d) Tensor fascia latae

• O: iliac crest; anterior superior iliac spine

• 
• O: Medial condyle of femur

• I: Medial aspect of proximal tibia

• O: Lateral surface of ilium

• 
• Action: abduction of thigh; Medial rotation of thigh/hip

• I: Calcaneus via Achilles tendon

• 
• O: Anterior superior iliac spine

• 
• I: Greater trochanter of femur

• Action: Hip flexion

• O: Lateral condyle of femur

• Action: Plantarflexion of the foot; knee flexion

• I: Iliotibial tract

Name the muscle indicated by the following combinations of origin and insertion

Groups:

(a) Vastus lateralis

,

(b) Semitendinosus

,

(c) Vastus medialis

,

(d) Flexor digitorum longus

• 
• O: linea aspera

• 
• I: Medial surface of the proximal tibia

• I: Distal phalanges of toes 2-5
• I: Tibial tuberosity via patellar ligament

• O: Posterior surface of the tibia

• O: Greater trochanter and linea aspera

• O: Ischial tuberosity

• 
• I: Dorsiflexion; Inversion of the foot

•