Bio 243 Lab: Muscles - St. Olaf College (copy)

Masseter

Frontalis

Temporalis

Digastric

Stylohyoid

Mylohyoid

Sternohyoid

Sternothyroid

Thyrohyoid

Omohyoid

Sternocleidomastoid

Pectoralis minor

Pectoralis major

Deltoid

Serratus anterior

External abdominal oblique

Internal abdominal oblique

Transverse abdominis

Rectus abdominis

Fascia

Connective tissue located between adjacent muscles

Iliacus

Psoas

Sartorius

Muscles of the quadreceps femoris

rectus femoris, vastus lateralis, vastus medialis, vastus intermedius

Rectus femoris

Vastus lateralis

Vastus medialis

Vastus intermedius

Tensor fasciae latae

Iliotibial tract

Adductor magnus

Adductor longus

Adductor brevis

Pectineus

Gracilis

Tibialis anterior

Biceps brachii

note the 2 parts that separate and then come back together

Brachialis

Brachioradialis

Triceps brachii

Latissimus dorsi

Lumbodorsal fascia

Trapezius

Levator scapulae

Rhomboids

Major (inferior) and minor (superior)

Rhomboid major and minor

Muscles of the rotator cuff

supraspinatus, infraspinatus, teres minor, subscapularis

Subscapularis

Supraspinatus

Infraspinatus

Teres minor

Teres major

Gluteal muscles

gluteus maximus, gluteus medius, gluteus minimus

Gluetus maximus

Gluteus medius

Gluteus minimus

Muscles of the hamstrings

biceps femoris, semitendinosus, semimembranosus

Biceps femoris

Semitendinosus

Semimembranosus

Gastrocnemius

Soleus

Ribs 1 and 2

Insertion of scalene muscles

C2-C7 transverse processes

Origin of scalene muscles

Manubrium and medial clavicle

Origin(s) of sternocleidomastoid

Mastoid process

Insertion of sternocleidomastoid

Flexes head

Action of sternocleidomastoid

Flexes and rotates head; elevates rib cage

Action of scalene muscles

Ribs 1-8

Pectoralis minor origin

Coracoid process of scapula

Pectoralis minor insertion

Depresses scapula and pulls scapula forward

Pectoralis minor action

The 5 adductor muscles of the thigh

Gracilis
Adductor magnus
Adductor longus
Adductor brevis
Pectineus

White fibrous connective tissue

Connective tissue that makes up tough rope-like ligaments and tendons. Prevents stretch but allows bending. Make up mainly of a sense, parallel arrangement of collagen fibers.

Hyaline cartilage

Forms the smooth, slippery cartilage you find in joints. Poorly vascularized.

Suprahyoid muscles

Digastric, stylohyoid, (geniohyoid), and mylohyoid muscles

Calcaneal tendon

Also known as achilles tendon

Scalene muscles