Muscle
Origin
Insertion
Action
Mixed
100

Flexion of the knee. Extension and external rotation of the hip


Biceps Femoris

100

Masseter

Zygomatic arch

100

Frontalis

Subcutaneous tissue of eyebrows

100

Infraspinatus & Teres Minor

External rotation of the shoulder

100

Compresses abdomen

External Abdominal Obliques, Internal Abdominal Obliques, Transverse Abdominal

200

O: Head and proximal shaft of the fibula and posteromedial shaft of the tibia

I: Calcaneus

A: Plantar flexion of the ankle

Soleus

200

Superior surface of puis symphysis

Rectus Abdominis

200

Pectoralis Major

Lateral lip of intertubercular sulcus of humerus

200

Triceps Brachii

Extension of the elbow

200

Closes eyes

Orbicularis Oculi

300

O: Manubrium of sternum; medial one-third of clavicle 

I: Mastoid process

A: Flex the neck and rotates the head towards the shoulder to face the opposite side

Sternocleidomastoid

300

Ilium at the anterior inferior spine and superior margin of acetabulum.

Rectus Femoris

300

Deltoid tuberosity of humerus

Deltoid

300

Gluteus Maximus

Extension and external rotation of the hip

300

Supraspinatus action

Abduction of the shoulder

400

Retracts and elevates upper lip

Zygomaticus Minor

400

Pectoralis Major

Medial half of clavicle. Lateral margin or sternum. Costal cartilages 1-7

400

Tuberosity of radius. Fascial of forearm

Biceps Brachii

400

Gracilis

Flexion of the knee. Adduction and internal rotation at the hip

400

Extension of the knee

Vastus Lateralis, Vastus Medialis, Vastus Intermedius

500

Elevate ribs

External Intercostals

500

Pectoralis Minor

Ribs 3-5 and overlying fascia

500

Tensor Fasciae Latae

Lateral condyle of tibia

500

Rhomboid Major & Rhomboid Minor

Adducts scapula and performs downward rotation

500

O: Subscapular fossa

I: Lesser tubercle of humerus

Subscapularis