Bio 137 Module 5 Lab Excerise 3 Axial and Appendicular Muscles
Match each label to its corresponding muscle of the quadriceps femoris.
1st - Rectus femoris 2nd - Vastus lateralis 3rd - Vastus intermedius 4th - Vastus medialis
Determine which is the correct action of the featured muscle.
Adduction of arm
When one is suffering from a "pulled groin," which muscle is often involved?
Adductor longus
Determine the correct action of the featured muscle.
Assists in extension of wrist
Which muscle assists in both pronation and supination of the forearm?
Brachioradialis
Identify the highlighted muscle, which is involved in lateral and medial rotation of the arm.
Deltoid
Describe the action(s) of the posterior part of the featured muscle whose fibers originate from three different points.
Extension and lateral rotation of arm
Identify the action of the highlighted muscle.
Extension of forearm
Specify the action of the muscle that is highlighted in the image.
Extension of the arm
The highlighted structure is the tendon of which muscle?
Extensor carpi radialis brevis
Identify the muscle whose fibers run inferomedially.
External Abdominal Oblique
Characterize the action(s) of the muscle in the image.
Fixes/depresses rib 12
Choose the muscle that is used for the "push-off" of the foot during walking and running.
Flexor hallucis longus
The highlighted structure is the posterior rectus sheath. Accurately describe how this structure is formed.
Formed by aponeuroses of the internal abdominal oblique and transversus abdominis muscles
Select the muscle that is important for powerful extension of the femur/thigh, but NOT important in walking.
Gluteus maximus
Determine the origin of the featured muscle.
Infraspinous fossa of scapula
Choose the accurate description of the featured muscle.
Inserts on greater trochanter of femur
Describe the function of the featured muscle.
Lateral rotation of thigh
Which muscle is attached to the posterior layer of the highlighted structure?
Latissimus dorsi
Characterize each component of the hamstring muscle group by selecting each muscle's distinguishing feature(s).
Left - Inserts on medial condyle of tibia Middle - Inserts on proximal medial shaft of tibia Right - Inserts on head of fibula
Identify the deep muscles of the gluteal region.
Left - Piriformis Middle - Gemellus Right - Quadratus femoris
Where does the featured muscle insert?
Medial border of scapula
Identify the muscle that "unlocks" the knee joint from full extension.
Popliteus
What is the origin of this muscle of the thigh?
Pubis (body and inferior ramus)
Describe the action of the muscle specified in the image.
Retraction of scapula
Identify the action of the highlighted muscle.
Supinator of forearm
Identify the muscles of respiration that are highlighted and indicated by leader lines.
Top - Diaphragm Bottom Left - External Intercostal Muscle and Membrane Bottom Right - Internal Intercostal
Indicate the three components of the erector spinae muscle group.
Top - Iliocostalis Bottom Left - Longissimus Bottom Right - Spinalis
The most powerful flexor of the hip is a single muscle formed from the merging of two individual muscles of the abdomen. Indicate the identity of the two muscles in the images.
Top Left - Iliacus Bottom Right - Psoas Major
Both specified muscles are classified as muscles acting on the scapula. Identify each muscle.
Top Left - Pectoralis Minor Bottom Right - Serratus Anterior
Select the correct label and characteristic for each of the featured muscles.
Top Left - Rectus abdominis; Origin: pubic crest and pubic symphysis Top Right - Transversus abdominis; Insertion: Pubic body, linea alba, & sternum (xiphoid process) Bottom Left - External abdominal oblique; Origin: ribs and costal cartilages 5-12 Bottom Right - Internal abdominal oblique; Origin: inguinal ligament, ilium, & thoracolumbar fascia
The two featured structures form the pelvic diaphragm. Indicate the name and action(s) of each.
Top Right - Ischiococcygeus; Supports pelvic viscera Bottom Left - Levator ani; Resists increased intra-abdominal pressure
Identify the muscles that extend the wrist/hand.
left - Extensor carpi ulnaris top right - Extensor carpi radialis brevis bottom right - Extensor carpi radialis longus
Determine which is the correct action(s) for each of the featured muscle of the leg.
top left - Extension of digits 2-4 top right - Eversion of foot bottom left - Inversion of foot bottom right - Extension of great toe
Identify the muscles that flex the wrist/hand.
top left - Flexor carpi radialis bottom left - Palmaris longus right - Flexor carpi ulnaris
Identify the muscles whose tendons contribute to the calcaneal tendon.
top left - Soleus bottom right - Gastrocnemius
What are the four rotator cuff muscles?
top left - Subscapularis top right - Infraspinatus bottom left - Supraspinatus bottom right - Teres minor
Match each label to its corresponding muscle of the forearm.
top left - Supinator bottom left - Pronator quadratus right - Pronator teres
