Quiz 6 O,I,As

Pectoralis major (O) - clavicular head - muscle of the anterior shoulder joint

clavicle

Pectoralis major (O) - Sternocostal head - muscle of the anterior shoulder joint

sternum and costal cartilages 1-6

Pectoralis major (I) - muscles of the anterior thorax

greater tubercle of humerus

Pectoralis major (A) - muscle of the anterior shoulder joint

prime mover of arm flexion, adducts and medial rotates arm

Deltoid (O) - muscle of the anterior shoulder joint

spine and acromion process of scapula, lateral 1/3 of clavicle

Deltoid (I) - muscle of the anterior shoulder joint

deltoid tuberosity of humerus

Deltoid (A) - muscle of the anterior shoulder joint

prime mover of arm abduction, synergist in flexion and extension of arm

Coracobrachialis (O) - muscle of the anterior shoulder joint

coracoid process of scapula

Coracobrachialis (I) - muscle of the anterior shoulder joint

mid-medial shaft of humerus

Coracobrachialis (A) - muscle of the anterior shoulder joint

flexes and adducts arm

Serratus anterior (O) - muscles of the anterior thorax

ribs 1-8 (or 9)

Serratus anterior (I) - muscles of the anterior thorax

vertebral border of scapula (ventral surface)

Pectoralis minor (O) - muscles of the anterior thorax

ribs 3-5 (ventral surface)

Pectoralis minor (I) - muscles of the anterior thorax

coracoid process of scapula

Biceps brachii : shorthead (O) - muscle of the anterior humerus

coracoid process of scapula

Biceps brachii: long head (O) - muscle of the anterior humerus

supraglenoid tubercle of scapula (descends within intertubercular groove of humerus)

Biceps brachii (I) - muscle of the anterior humerus

radial tuberosity of radius

Biceps brachii (A) - muscle of the anterior humerus

major forearm flexor; supinates forearm; weak flexor of arm

Brachialis (O) - muscle of the anterior humerus

anterior, distal surface of humerus

Brachialis (I) - muscle of the anterior humerus

coronoid process and tuberosity of ulna

Brachialis (A) - muscle of the anterior humerus

major forearm flexor

Brachioradialis (O) - muscle of the anterior humerus

lateral epicondyle of humerus

Brachioradialis (I) - muscle of the anterior humerus

styloid process of radius

Brachioradialis (A) - muscle of the anterior humerus

forearm flexion

Iliacus (O)

iliac fossa of the os coxa, ala of sacrum

Iliacus (I)

lesser trochanter of femur

Iliacus (A)

prime mover of thigh flexion, postural muscle

Psoas major (O)

vertebrae T12-L5

Psoas major(I)

lesser trochanter of femur

Psoas major (A)

prime mover of thigh flexion, postural muscle

Sartorius (O)

anterior superior iliac spine of the os coxa

Sartorius (I)

medial proximal tibial shaft

Sartorius (A)

flexes, abducts, laterally rotates thigh, flexes lower leg

Rectus femoris (O)

anterior inferior iliac spine and superior margin of acetabulum of the os coxa

Rectus femoris (I)

patella via quadriceps tendon

Rectus femoris (A)

flexes thigh, extends lower leg

Vastus lateralis (O)

greater trochanter, intertrochanteric line, and linea aspera of femur

Vastus lateralis (I)

patella via quadriceps tendon

Vastus lateralis (A)

extends lower leg, stabilizes patella

Vastus medialis (O)

linea aspera, and intertrochanteric line of femur

Vastus medialis (I)

patella via quadriceps tendon

Vastus medialis (A)

extends lower leg, stabilizes patella

Vastus intermedius (O)

proximal anterolateral femoral shaft

Vastus intermedius (I)

patella via quadriceps tendon

Vastus intermedius (A)

extends lower leg

Tensor fasciae latae (O)

anterior aspect of iliac crest and anterior superior iliac spine of the os coxa

Tensor fasciae latae (I)

iliotibial tract

Tensor fasciae latae (A)

abducts, flexes, and medially rotates thigh

Pectineus (O)

pubis of the os coxa

Pectineus (I)

pectineal line of femur

Pectineus (A)

adducts, flexes, and medially rotates thigh

Gracilis (O)

ramus and body of pubis of the os coxa

Gracilis (I)

medial proximal tibial shaft

Gracilis (A)

adducts thigh, flexes and medially rotates lower leg

Adductor longus (O)

pubis of the os coxa

Adductor longus (I)

linea aspera of femur

Adductor longus (A)

adducts, flexes, and medially rotates thigh

Adductor magnus (O)

ischial and pubic rami and ischial tuberosity of the os coxa

Adductor magnus (I)

linea aspera of femur

Adductor magnus (A)

extends, adducts, flexes, and medially rotates thigh