Lab Exam 3

Limb muscles on cat and human

Which muscle is located on the lateral arm and functions primarily as an elbow flexor?

Brachialis

Which heads of the triceps brachii are visible on the lateral arm in Figure C1.5a before cutting?

Long and lateral heads

After cutting and reflecting the lateral head of the triceps brachii, which muscle is exposed?

Triceps brachii medial head

Which muscle is the most anterior muscle of the lateral forearm in Figure C1.5a?

Brachioradialis

Which muscle lies immediately posterior to the extensor carpi radialis longus on the lateral forearm?

Extensor digitorum communis

Lifting the extensor carpi radialis longus reveals which underlying muscle?

Extensor carpi radialis brevis

Which muscle is located on the medial arm and is better visualized after cutting the pectoantebrachialis muscle?

Epitrochlearis

Which muscle listed on the medial arm is not found in humans?

Epitrochlearis

Which muscle is a superficial flexor located on the medial forearm?

Flexor carpi radialis

Which medial forearm muscle functions primarily in forearm pronation?

Pronator teres

Which muscle is classified as a superficial muscle on the lateral thigh in Figure C1.6a?

Sartorius

Which muscle listed on the lateral thigh is not found in humans?

Caudofemoralis

Which muscle functions as part of the quadriceps group and is visible on the lateral thigh?

Vastus lateralis

Which muscle is located on the lateral thigh and contributes to hip extension and abduction?

Gluteus maximus

Which superficial muscle appears on both the lateral and medial thigh?

Sartorius

Which muscle group is primarily identified on the medial thigh in Figure C1.6b?

Adductors

Which muscle must be cut and reflected to better expose the deep medial thigh muscles?

Gracilis

Which deep muscle of the medial thigh is the human equivalent of the adductor femoris in the cat?

Adductor magnus

Which muscle is part of the quadriceps group and is located on the medial thigh?

Vastus medialis

Which deep muscle of the medial thigh functions as a hip flexor?

Adductor longus

Which muscle is most prominent on the posterior lower leg and contributes to plantar flexion of the foot?

Gastrocnemius

The calcaneal (Achilles) tendon primarily connects which muscle to the calcaneal bone?

Gastrocnemius

Which muscle lies deep to the gastrocnemius and also assists with plantar flexion?

Soleus

The muscle located on the anterior surface of the lower leg that dorsiflexes the foot is the:

Tibialis anterior

Which muscle extends the digits of the foot and is found on the lateral/anterior leg?

Extensor digitorum longus

The peroneus muscles are primarily located on which side of the lower leg?

Lateral

Which muscle listed below would you identify on the medial side of the leg?

Tibialis anterior

Which muscle works to flex the digits of the foot?

Flexor digitorum

Which muscle would you expect to find attaching to the calcaneal bone via the calcaneal (Achilles) tendon?

Gastrocnemius

When viewing the leg from a lateral perspective, which muscle is most superficial and easily visible during dissection?

Gastrocnemius

Human Deltoid

1

Coracobrachialis

2

Latissimus dorsi

3

Triceps Brachii (long head)

4

Triceps Brachii (medial head)

5

Triceps Brachii (lateral head)

6

Biceps Brachii

7

Brachialis

8

Supinator

9

Brachioradialis

10

Extensor Carpi Radialis Longus

11

Pronator teres

12

Flexor Carpi Radialis

13

Palmaris Longus

14

Flexor Carpi Ulnaris

15

Abductor Pollicis Longus

16

Flexor Pollicis Longus

17

Flexor Digitorum Superficialis

18

Pronator Quadratus

19

Flexor retinaculum

20

Anconeus

1

Abductors Digiti Minimi

2

Abductor pollicis brevis

3

Adductor Pollicis

4

Dorsal Interossei

5

Extensor Carpi Radialis Brevis

6

Extensor Carpi Ulnaris

7

Extensor digitorum

8

Extensor Pollicis Brevis

9

Extensor Pollicis Longus

10

Flexor Pollicis Brevis

12

Palmaris Brevis

13

Flexor digitorum profundus

Deep of 18

Extensor Digiti Minimi

In between 7 and 8

Pectineus

1

Gracilis

2

Sartorius

3

Vastus Lateralis

4

Rectus Femoris

5

Vastus Medialis

6

Adductor Longus

7

Gluteus maximus

8

Iliosposas

9

Tensor Fasciae Latae

10

Extensor Digitorum Brevis

1

Extensor Hallucis Longus

2

Fibularis Longus

3

Fibularis Brevis

4

Fibularis Tertius

5

Flexor Hallucis Longus

6

Gastrocnemius

7

Tibialis Posterior

8

Popliteus

9

Soleus

10

Plantaris

11

Tibialis Anterior

12

Flexor Digitorum Longus

13

Brachioradialis

1

Extensor Carpi Radialis Longus

2

Extensor Carpi Radialis Brevis

3

Pronator Teres

4

Flexor Carpi Radialis

5

Palmaris Longus

6

Flexor Carpi Ulnaris

7

Pectoralis Major

8

Biceps Brachii

9

Extensor Carpi Ulnaris

10

Extensor Digitorum Lateralis

11

Extensor Digitorum Communis

12

Brachialis

13