BIOL 201L final review: Lab 4 (Isolated Muscles and Brachial Plexus Model)

What muscle is this? What is its origin and point of insertion?

Biceps Brachii

Origin:

• Short head → coracoid process of scapula,

• long head → supraglenoid tubercle of scapula

Insertion: Radial tuberosity and fascia of forearm (bicep aponeurosis)

What muscle is this? Origin and insertion?

Bicep femoris

Origin:

• Long head → ischial tuberosity

• Short head → Linea aspera of femur

Insertion: Head of fibula

What is this muscle? Origin and Insertion?

Brachialis

Origin: distal anterior humerus

Insertion: ulnar tuberosity

What is the name? origin and insertion?

Deltoid

Origin:

• Anterior → Lateral third of clavicle.

• Middle → Acromion of scapula.

• Posterior → Spine of Scapula

Insertion: Deltoid tuberosity of humerus

Name of muscle? origin and insertion?

Gluteus maximus

Origin: Posterior side of ilium, sacrum, coccyx

Insertion: iliotibial tract and gluteal tuberosity of femur

Name of Muscle? Origin and insertion?

Gluteus Medius

Origin: Area of ilium between anterior and posterior gluteal lines

insertion: lateral aspect of greater trochanter of femur

Name? Origin? Insertion?

Infraspinatus

Origin: Infraspinous fossa of scapula

Insertion: Greater tubercle of humerus

Name? Origin? Insertion?

Latissimus Dorsi

Origin: spinous processes of thoracic T7–T12, thoracolumbar fascia, iliac crest and inferior 3 or 4 ribs, inferior angle of scapula

Insertion: floor of intertubercular groove of the humerus.

Name? Origin? Insertion?

Pectoralis Major

Origin: clavicle, sternum, ribs, and external oblique fascia

Insertion: lateral lip of the intertubercular sulcus of the humerus

Name? Origin? Insertion?

Rectus Femoris

Origin: Direct head: Originates from the anterior inferior iliac spine (AIIS). Indirect head: Originates from the superior acetabular ridge

Insertion: Patella

Name? Origin? Insertion

Supraspinatus

Origin: Supraspinous fossa of scapula.

Insertion: Greater tubercle of humerus.

Name? Origin? Insertion?

Trapezius

origin: Skull: External occipital protuberance and superior nuchal line of the occipital bone. Vertebrae: Spinous processes of C7 to T12 vertebrae. Nuchal ligament:

Insertion: Clavicle: Lateral third of the clavicle. Scapula: Acromion and spine of the scapula

Name? Origin? Insertion?

Triceps Brachii

• Long head

  Originates from the infraglenoid tubercle of the scapula and inserts into the olecranon of the ulna.

• Lateral head

  Originates from the posterior aspect of the humerus, superior to the radial groove, and inserts into the olecranon of the ulna.

• Medial head

  Originates from the posterior aspect of the humerus, inferior to the radial groove, and inserts into the olecranon of the ulna

Name? Origin? Insertion?

Vastus Intermedius

Origin: anterior and lateral surfaces of the femoral shaft.

insertion: patella

Name? Origin? Insertion?

Vastus Lateralis

Origin: Superior portion of the intertrochanteric line 

• Anterior and inferior borders of the greater trochanter 

• Superior portion of the lateral lip of the linea aspera 

• Lateral portion of the gluteal tuberosity

Insertion: Patella and Tibial tuberosity

Name? Origin? Insertion?

Vastus Medialis

Origin: upper part of the femoral shaft

Insertion: quadriceps femoris tendon, which inserts into the upper border of the patella.