Anatomy and Physiology - Anterior Muscles

Adductor brevis

adducts thigh

Adductor longus

adducts thigh

Adductor magnus

adducts thigh

Biceps brachii

flexes elbow and supinates forearm

Brachialis

supports biceps brachii

Coracobrachialis

Deltoid

Diaphragm

major muscle in respiration

External intercostals

respiration accessory muscle

External oblique

Frontalis

raises eyebrows

Gracilis

adducts thigh

Iliacus

Iliopsoas

Internal intercostals

respiration accessory muscle

Internal oblique

Masseter

elevates mandible

Occipitalis

Occipitofrontalis

has two muscle bellies

Orbicularis oculi

closes eye

Orbicularis oris

closes lips

Pectineus

Pectoralis major

Pectoralis minor

Platysma

Psoas major

Psoas minor

Rectus abdominis

Sartorius

"tailor's muscle"

Scalenes

anterior, middle, and posterior

Serratus anterior

"boxer's muscle"

Sternoclediomastoid

Temporalis

Tensor fasciae latae (TFL)

located between the layers of the fascia lata; tightens the IT band

Tendinous intersections

Tibialis anterior

Transverse abdominis

Vastus intermedius

Vastus lateralis

Vastus medialis

Aponeurosis

strong sheet of tissue that acts as a tendon to attach muscles to bone

Epicranial aponeurosis

Central tendon

insertion of diaphragm

Fascia lata

deep fascia that encloses the thigh muscles; thickest, lateral side forms the iliotibial (IT) band

Transverse carpal ligament

Iliotibial tract (IT band)

Inguinal ligament

runs from the ASIS to the pubic tubercle; formed by the external oblique aponeurosis; continuous with the fascia lata of the thigh

Linea alba

Median nerve

Patellar ligament