Origin, Insertion, and Function Flashcards
External Oblique
Origin: On the lower 8 ribs
Insertion: On the iliac crest
Function: Rotates vertebrae column
Deltoid
Origin: Clavicle, acromion, and spin of scapula
Insertion: Deltoid tuberosity
Function: Abducts arm
Trapezius
Origin: Base of occipital bone and all of thoracic and cervical vertebrae
Insertion: Spine of scapula, acromion, and clavicle
Function: Scapular elevation
Rectus Abdominis
Origin: Pubic crest and symphysis pubis
Insertion: Xiphoid process and inferior ribs
Function: Exhaling
Brachioradialis
Origin: Lateral end of humerus
Insertion: Styloid process
Function: Elbow flexion
Gluteus Maximus
Origin: Crest of ilium
Insertion: Gluteal tuberosity (posterior side)
Function: Hip extension
Gluteus Medius
Origin: Lateral surface of ilium
Insertion: Posterior surface of greater trochanter
Function: Internal rotation of thigh
Sartorius
Origin: Anterior Inferior Iliac Spine (AIIS)
Insertion: Medial surface of tibia
Function: Knee flexion
Biceps Brachii
Origin: Coracoid process
Insertion: Radial tuberosity
Function: Elbow flexion
Triceps Brachii
Origin: Posterior humerus
Insertion: Olecranon
Function: Arm extension
Tibialis Anterior
Origin: Anterior Shaft of tibia
Insertion: Base of 1st Metatarsal
Function: Dorsiflex of foot
Gastrocnemius
Origin: Medial and Lateral Condyles of femur
Insertion: Calcaneus
Function: Plantar flexes foot
Biceps Femoris
Origin: Ischial tuberosity and linea aspera
Insertion: Head of fibula
Function: Knee flexion
Semimembranosus
Origin: Ischial tuberosity
Insertion: Medial condyle of tibia
Function: Knee flexion
Semitendinosus
Origin: Anterior shaft of femur
Insertion: Medial condyle of tibia
Function: Hip extension
Soleus
Origin: Posterior surface of tibia and fibula
Insertion: Calcaneus
Function: Plantar flexes foot
Rectus Femoris
Origin: AIIS
Insertion: Tibial tuberosity
Function: Knee extension
Vastus lateralis
Origin: Lateral side of linea aspera and greater trochanter
Insertion: Tibial tuberosity
Function: Knee extension
Vastus Medialis
Origin: Medial side of linea aspera
Insertion: Tibial tuberosity
Function: Knee extension
Vastus Intermedius
Origin: Anterior shaft of femur
Insertion: Tibial tuberosity
Function: Knee extension
Sternocleidomastoid
Origin: Sternum and clavicle
Insertion: Matoir process
Function: Rotates head
Latissumus dorsi
Insertion: lesser tubercle
Function: Internal rotation of the arm
Iliopsoas
Origin: inner surface of Ilium
Insertion: Lesser trochanter
Function: hip flexion
Pectoralis Major
Origin: upper clavicle, lower sternum, costal cartilage 1-6
Insertion: Greater tubercle of humerus
Function: Flexion or arm
