Grade 12 Kin Lower Body

What muscle is this?
Name. Origin, Insertion, Action, Exercise

Iliopsoas
O: ilium and lumbar spine
I: Femur
Action: Hip flexion
Exercise: Resisted hip flexions

What muscle is this?
Name. Origin, Insertion, Action, Exercise

Gluteus Maximus
O: ilium
I: Femur and IT band
Action: Hip extension and Hip Lateral Rotation
Exercise: Lunges and Squats

What muscle is this?
Name, Origin, Insertion, Action, Exercise

Gluteus Medius
Origin: Ilium
Insertion: Femur
Action: Responsible for abduction and medial rotation.
Exercise: Squats and Lunges

(Located underneath the maximus)

What muscle is this?
Name, Origin, Insertion, Action, Exercise

Gluteus Minimus
Origin: Ilium
Insertion: Femur
Action: Responsible for abduction and medial rotation
Exercise: Squats and Lunges

What muscle is this?
Name, Origin, Insertion, Action, Exercise

Rectus Femoris
Origin: Ilium
Insertion: Patellar tendon
Action: Knee extension
Exercise: Leg extensions

What muscle is this?
Name, Origin, Insertion, Action, Exercise

Vastus lateralis, Vastus intermedius, Vastus medialis
Origin: Femur
I: Patellar tendon
Action: Knee extension
Exercise: Leg extensions and Squats

What muscle is this?
Name, Origin, Insertion, Action, Exercise

Sartorius
Origin: Ilium
I: Medial tibia
Action: Knee flexion and Hip flexion
Exercise: Lunges

What muscle is this?
Name, Origin, Insertion, Action, Exercise

Bicep femoris
Origin: Ischium
I: Fibula
Action: Knee flexion and Hip extension
Exercise: Leg curls

What muscle is this?
Name, Origin, Insertion, Action, Exercise

Semitendinosus
O: Ischium
I: Tibia
Action: Knee flexion and Hip extension
Exercise: Leg curls

What muscle is this?
Name, Origin, Insertion, Action, Exercise

Semimembranosus
O: Ischium
I: Tibia
Action: Knee flexion and Hip extension
Exercise: Leg curls

What muscle is this?
Name, Origin, Insertion, Action, Exercise

Adductor longus and magnus
O: Pubis
I: Femur
Action: Hip adduction
Exercise: Hip adduction machine

What muscle is this?
Name, Origin, Insertion, Action, Exercise

Pectineus, Adductor brevis, and Gracillis
O: Pubis
I: Tibia or Femur
Action: Hip adduction
Exercise: Banded hip adductions

What muscle is this?
Name, Origin, Insertion, Action, Exercise

Tibialis Anterior
O: Lateral Tibia
I: 1st metatarsal and cuneiform
Action: Dorsi-flexor and foot inversion
Exercise: Banded dorsi flexion

What muscle is this?
Name, Origin, Insertion, Action, Exercise

Peroneus Longus
O: Lateral fibula
I: Metatarsals
Action: Plantar flexion and foot eversion
Exercise: Banded foot eversions

What muscle is this?
Name, Origin, Insertion, Action, Exercise

Peroneus brevis
O: Lateral fibula
I: Metatarsals
Action: Plantar flexion and foot eversion
Exercise: Banded foot eversions

What muscle is this?
Name, Origin, Insertion, Action, Exercise

Gastrocnemius
O: Femur
I: Calcaneus
Action: Plantar flexors
Exercise: Calf raises

What muscle is this?
Name, Origin, Insertion, Action, Exercise

Soleus
O: Tibia and fibula
I: Calcaneus
Action: Plantar flexors
Exercise: Calf raises