Possible Muscles for lab midterm

What is the origin of the Iliopsoas muscle?

Transverse processes of lumbar vertebrae and iliac fossa. T-12 to L5

What is the insertion of the Iliopsoas muscle?

Lesser trochanter of the femur.

What is the action of the Iliopsoas muscle?

Hip flexion.

What is the origin of the Rectus Femoris muscle?

Anterior inferior iliac spine (AIIS) and superior margin of the acetabulum.

What is the insertion of the Rectus Femoris muscle?

Tibial tuberosity via the patellar ligament.

What is the action of the Rectus Femoris muscle?

Knee extension and hip flexion.

What is the origin of the Vastus Muscles?

Proximal femur.

What is the insertion of the Vastus Muscles?

Tibial tuberosity via the patellar ligament.

What is the action of the Vastus Muscles?

Knee extension.

What is the origin of the Adductor muscles?

Pubic bone.

What is the insertion of the Adductor muscles?

Linea aspera of the femur.

What is the action of the Adductor muscles?

Hip adduction.

What is the origin of the Semitendinosus/Semimembranosus?

Ischial tuberosity.

What is the insertion of the Semitendinosus/Semimembranosus?

Medial surface of the tibia/ pes anserine

What is the action of the Semitendinosus/Semimembranosus?

Knee flexion and hip extension.

What is the origin of the Biceps Femoris muscle?

Ischial tuberosity and distal femur.

What is the insertion of the Biceps Femoris muscle?

Head of the fibula.

What is the action of the Biceps Femoris muscle?

Knee flexion and hip extension.

What is the origin of the Gastrocnemius muscle?

Medial and lateral condyles of the femur.

What is the insertion of the Gastrocnemius muscle?

Calcaneus via the Achilles tendon.

What is the action of the Gastrocnemius muscle?

Plantarflexion and knee flexion.

What is the origin of the Soleus muscle?

Soleal line of the tibia and fibula./ posterior side of head and neck of fibula

What is the insertion of the Soleus muscle?

Calcaneus via the Achilles tendon.

What is the action of the Soleus muscle?

Plantarflexion.

What is the origin of the Fibularis Longus muscle?

Head and body of the fibula.

What is the insertion of the Fibularis Longus muscle?

Underneath the foot at the first metatarsal and cuneiform.

What is the action of the Fibularis Longus muscle?

Eversion and plantarflexion.

What is the origin of the Tibialis Anterior muscle?

Lateral condyle and upper two-thirds of the tibia.

What is the insertion of the Tibialis Anterior muscle?

First metatarsal and medial cuneiform.

What is the action of the Tibialis Anterior muscle?

Dorsiflexion and inversion.

What is the origin of the Gluteus Maximus muscle?

Posterior ilium, sacrum, and coccyx.

What is the insertion of the Gluteus Maximus muscle?

Gluteal tuberosity of the femur.

What is the action of the Gluteus Maximus muscle?

Hip extension and external rotation.

What is the origin of the Gluteus Medius muscle?

External surface of the ilium.

What is the insertion of the Gluteus Medius muscle?

Greater trochanter of the femur.

What is the action of the Gluteus Medius muscle?

Hip abduction.

What is the origin of the Gluteus Minimus muscle?

External surface of the ilium.

What is the insertion of the Gluteus Minimus muscle?

Greater trochanter of the femur.

What is the action of the Gluteus Minimus muscle?

Hip abduction and medial rotation.

What is the origin of the Pectoralis Major muscle?

Clavicle, sternum, and ribs.

What is the insertion of the Pectoralis Major muscle?

Lateral lip of the bicipital groove of the humerus.

What is the action of the Pectoralis Major muscle?

Shoulder flexion, adduction, and internal rotation.

What is the origin of the Pectoralis Minor muscle?

Ribs 3-5.

What is the insertion of the Pectoralis Minor muscle?

Coracoid process of the scapula.

What is the action of the Pectoralis Minor muscle?

Stabilizes, protracts, and depresses the scapula

What is the origin of the Supraspinatus muscle?

Supraspinous fossa of the scapula.

What is the insertion of the Supraspinatus muscle?

Greater tubercle of the humerus.

What is the action of the Supraspinatus muscle?

Shoulder abduction.

What is the origin of the Infraspinatus muscle?

Infraspinous fossa of the scapula.

What is the insertion of the Infraspinatus muscle?

Greater tubercle of the humerus.

What is the action of the Infraspinatus muscle?

Shoulder external rotation.

What is the origin of the Teres Minor muscle?

Lateral border of the scapula.

What is the insertion of the Teres Minor muscle?

Greater tubercle of the humerus.

What is the action of the Teres Minor muscle?

Shoulder external rotation.

What is the origin of the Subscapularis muscle?

Subscapular fossa of the scapula.

What is the insertion of the Subscapularis muscle?

Lesser tubercle of the humerus.

What is the action of the Subscapularis muscle?

Shoulder internal rotation.

What is the origin of the Adductor Longus muscle?

Anterior surface of the pubic bone.

What is the insertion of the Adductor Longus muscle?

Linea aspera of the femur.

What is the action of the Adductor Longus muscle?

Hip adduction.

What is the origin of the Adductor Brevis muscle?

Anterior surface of body of pubis

What is the insertion of the Adductor Brevis muscle?

Linea aspera of the femur.

What is the action of the Adductor Brevis muscle?

Hip adduction.

What is the origin of the Adductor Magnus muscle?

Pubic bone and ischial tuberosity.

What is the insertion of the Adductor Magnus muscle?

Linea aspera of the femur and adductor tubercle.

What is the action of the Adductor Magnus muscle?

Hip adduction.

What is the origin of the Vastus Medialis muscle?

Medial side of the femur.

What is the insertion of the Vastus Medialis muscle?

Tibial tuberosity via the patellar ligament.

What is the action of the Vastus Medialis muscle?

Knee extension.

What is the origin of the Vastus Intermedius muscle?

Anterior and lateral surface of the femur.

What is the insertion of the Vastus Intermedius muscle?

Tibial tuberosity via the patellar ligament.

What is the action of the Vastus Intermedius muscle?

Knee extension.

What is the origin of the Vastus Lateralis muscle?

Lateral side of the femur.

What is the insertion of the Vastus Lateralis muscle?

Tibial tuberosity via the patellar ligament.

What is the action of the Vastus Lateralis muscle?

Knee extension.

What is the origin of the Gracilis muscle?

Pubic bone.

What is the insertion of the Gracilis muscle?

Medial surface of the tibia.

What is the action of the Gracilis muscle?

Hip adduction and knee flexion.

What is the origin, insertion, and action of the Gracilis muscle?

Origin: Pubic bone; Insertion: Medial surface of the tibia; Action: Hip adduction and knee flexion.

What is the origin, insertion, and action of the pectineus muscle

Origin: Superior ramus of the pubis; Insertion: Pectineal line of the femur; Action: Hip flexion and adduction.

What is the origin of the Teres Major muscle?

Inferior angle and lateral border of the scapula.

What is the insertion of the Teres Major muscle?

Medial lip of the bicipital groove of the humerus.

What is the action of the Teres Major muscle?

Shoulder extension, adduction, and internal rotation.

What is the origin of the Biceps Brachii muscle?

Coracoid process of the scapula (short head) and supraglenoid tubercle of the scapula (long head).

What is the insertion of the Biceps Brachii muscle?

Radial tuberosity and fascia of the forearm.

What is the action of the Biceps Brachii muscle?

Elbow flexion and forearm supination.

What is the origin of the Triceps Brachii muscle?

Infraglenoid tubercle of the scapula (long head), posterior humerus (lateral head), and distal humerus (medial head).

What is the insertion of the Triceps Brachii muscle?

Olecranon process of the ulna.

What is the action of the Triceps Brachii muscle?

Elbow extension.

What is the origin of the Brachialis muscle?

Distal half of the anterior surface of the humerus.

What is the insertion of the Brachialis muscle?

Coronoid process and tuberosity of the ulna.

What is the action of the Brachialis muscle?

Elbow flexion.

What is the origin of the piriformis muscle?

The origin is the anterior surface of the sacrum.

Where does the piriformis muscle insert?

The insertion is the greater trochanter of the femur.

What action is performed by the piriformis muscle?

The action is to laterally rotate the hip and abduct the thigh when the hip is flexed.

What is the origin of the levator scapulae muscle?

The origin is the transverse processes of the upper four cervical vertebrae (C1-C4).

Where does the levator scapulae muscle insert?

The insertion is the medial border of the scapula, above the spine of the scapula.

What action is performed by the levator scapulae muscle?

The action is to elevate the scapula and assist in downward rotation.

What is the origin of the deltoid muscle?

The origin is the lateral third of the clavicle, the acromion, and the spine of the scapula.

Where does the deltoid muscle insert?

The insertion is the deltoid tuberosity of the humerus.