APK2100C: Lab Exam 1 (OIA)

Rectus Abdominus (Origin)

Rectus Abdominus (Origin)

Pubic Crest/Symphisis

Rectus Abdominus (Insertion)

Xiphoid Process/Costal Cartilages

Rectus Abdominus (Action)

Flexes the trunk

Gluteus Maximus (Origin)

Ilium/Sacrum/Coccyx

Gluteus Maximus (Insertion)

Gluteal Tuberosity of Femur

Gluteus Maximus (Action)

Extends the hip

Triceps Brachii (Origin)

Long Head: Infraglenoid Tubercle
Lateral Head: Posterior Shaft of Humerus
Medial Head: Posterior Shaft of Humerus

Triceps Brachii (Insertion)

Olecranon Process

Triceps Brachii (Action)

Extends the elbow

Biceps Brachii (Origin)

Short Head: Corocoid Process of Scapula
Long Head: Supraglenoid Tubercle

Biceps Brachii (Insertion)

Radial Tuberosity

Biceps Brachii (Action)

Flexes/Supinates the elbow

Pectoralis Major (Origin)

Clavicle/Sternum/Costal Cartilages

Pectoralis Major (Insertion)

Greater Tubercle of Humerus

Pectoralis Major (Action)

Flexes/Medially Rotates/Adducts the shoulder

Deltoid (Origin)

Clavicle/Acromion/Spine of Scapula

Deltoid (Insertion)

Deltoid Tuberosity of Humerus

Deltoid (Action)

Abducts the shoulder

Sternocleidomastoid (Origin)

Manubrium/Clavicle

Sternocleidomastoid (Insertion)

Mastoid Process

Sternocleidomastoid (Action)

Flexes Neck/Laterally Rotates Head

Psoas Major (Origin)

Lumbar Vertebrae

Psoas Major (Insertion)

Lesser Trochanter of Femur

Psoas Major (Action)

Flexes the hip and the trunk

Iliacus (Origin)

Iliac Fossa/Ala of Sacrum

Iliacus (Insertion)

Lesser Trochanter of Femur

Iliacus (Action)

Flexes the hip and the trunk

Biceps Femoris (Origin)

Long Head: Ischial Tuberosity
Short Head: Linea Aspera

Biceps Femoris (Insertion)

Head of fibula and lateral condyle of tibia

Biceps Femoris (Action)

Extends the hip/Flexes the knee

Semitendinosus (Origin)

Ischial Tuberosity

Semitendinosus (Insertion)

Medial, Upper Shaft of tibia

Semitendinosus (Action)

Extends the hip/Flexes the knee

Semimembranosus (Origin)

Ischial Tuberosity

Semimembranosus (Insertion)

Medial Condyle of Tibia

Semimembranosus (Action)

Extends the hip/Flexes the knee

Vastus Medialis (Origin)

Linea Aspera/Medial Supracondylar line/Acetabular Labrum

Vastus Medialis (Insertion)

Patella/Tibial Tuberosity

Vastus Medialis (Action)

Extends the knee

Vastus Lateralis (Origin)

Linea Aspera/Greater trochanter/Intertrochanteric Line

Vastus Lateralis (Insertion)

Patella/Tibial Tuberosity

Vastus Lateralis (Action)

Extends the Knee

Rectus Femoris (Origin)

Anterior Inferior Iliac Spine (AIIS)/Acetabular Labrum

Rectus Femoris (Insertion)

Patella/Tibial Tuberosity

Rectus Femoris (Action)

Extends the knee/Flexes the hip

Vastus Intermedius (Origin)

Anterior Shaft of Femur

Vastus Intermedius (Insertion)

Patella/Tibial Tuberosity

Vastus Intermedius (Action)

Extends the knee

Adductor Magnus (Origin)

Ischial and pubic rami/Ischial tuberosity

Adductor Magnus (Insertion)

Linea Aspera/Adductor tubercle of femur

Adductor Magnus (Action)

Adducts the hip

Gracilis (Origin)

Inferior Ramus and Body of pubis/Ischial ramus

Gracilis (Insertion)

Medial Condyle of Tibia

Gracilis (Action)

Adducts the hip

Gastrocnemius (Origin)

Medial and lateral condyles of femur

Gastrocnemius (Insertion)

Posterior Calcaneus (By the calcaneal tendon/Achilles tendon)

Gastrocnemius (Action)

Plantarflexion and knee flexion

Soleus (Origin)

Superior tibia, fibula, and interosseous membrane

Soleus (Insertion)

Posterior Calcaneus (By the calcaneal tendon/Achilles tendon)

Soleus (Action)

Plantarflexion

Tibialis Anterior (Origin)

Lateral condyle/Proximal shaft of tibia

Tibialis Anterior (Insertion)

Medial cuneiform/1st metatarsal

Tibialis Anterior (Action)

Dorsiflexion