Practical 3: Appendicular

Name the 8 muscles of the arm you might see on the exam:

1) Deltoid 2) Triceps Brachii 3) Biceps Brachii 4) Brachialis 5) Pronator Teres 6)Supinator Muscle 7) Flexor Digitorum 8) Extensor Digitorum

Name that bone marking

Glenoid Fossa of Scapula

Name that bone marking

Head of Humerus

Name that muscle!

Deltoid

Name that muscle!

Deltoid

Name that bone marking

Acromion Process of the Scapula

Name that bone marking

Spine of Scapula

Name the bone marking found at 16:

Deltoid Tuberosity

What is the origin and insertion of this muscle?

O: Acromion Process of Scapula AND Spine of Scapula

I: Deltoid Tuberosity

What are the three actions of the Deltoid muscle?

1) Humeral Flexion 2) Humeral Extension 3) Humeral Abduction

Name that muscle!

Triceps Brachii

Name that bone marking

Olecranon process of the Ulna

What is the origin and insertion of this muscle?

O: 1) Inferior to the glenoid fossa of the scapula 2) Posterior surface of humerus 3) Proximal surface of the humerus

I: Olecranon process of the Ulna

What are the actions of the triceps Brachii muscle?

Elbow Extension

Name that muscle!

Bicep Brachii

Name that bone marking

Coracoid Process

Name that bone

Radius

What is the origin and insertion of this muscle?

O: 1) Superior part of the glenoid fossa 2) Coracoid process

I: Medial Aspect of Radius

What are the actions of this muscle?

Elbow Flexion

Name the muscle found at 1:

Brachialis

Name the bone marking found at 18:

Coronoid Process of Ulna

What is the origin and insertion of the muscle found at 1?

O: Anterior surface of humerus about midway between the 2 ends of the bone (no specific bone marking)
I: Coronoid Process

What are the actions of the muscle found at 1?

Elbow Flexion

Name that muscle!

Pronator Teres

Name the bone marking found at 9

Medial Epicondyle of Humerus

What is the origin and insertion of this muscle?

O: Medial Epicondyle of the Humerus
I: Radius (no distinct bone marking)

What are the actions of this muscle?

Pronation

What muscle will you find at 1?

Supinator Muscle

Name the bone marking found at 7

Lateral Epicondyle

What is the origin and insertion of the muscle found at 1?

O: Lateral Epicondyle
I: Radius

What are the actions of the muscle found at 1?

Supination

Name the muscle found at 1 and 2

1: Flexor Digitorum (profundus) 2: Flexor Digitorum: (Superficialis)

Name the bone marking found at 9

Medial Epicondyle of Humerus

What is the origin and insertion of muscles 1 and 2?

O: Medial Epicondyle of the Humerus
I: Digital bones on the palmar side

What are the actions of muscles 1 and 2?

Flexes the fingers and wrist (make a fist)

Name the muscle found at 1!

Extensor Digitorum

Name the bone marking found at 7

Lateral Epicondyle

What is the origin and insertion of this muscle?

O: Lateral Epicondyle
I: Digital bones on the posterior side of the hand

What are the actions of this muscle?

Extends fingers and wrist (open hand)

Name the 13 muscles of the leg you will be expected to know for the practical:

1) Gluteus Maximus 2) Sartorius 3) Rectus Femoris 4) Iliacus 5) Psoas Major 6) Semitendinosus 7) Semimembranosus 8) Biceps Femoris 9) Vastus Medialis 10) Vastus Lateralis 11) Vastus Intermedius 12) Gastrocnemius 13) Extensor Digitorum (foot)

Name that muscle!

Gluteus Maximus

Name the bone marking outlined in red:

Iliac crest

Name that vertebral segment

Coccyx

Name the bone marking found at 1:

Greater trochanter of femur

What is the origin and insertion of this muscle?

O: 1) Iliac crest 2) Sacrum 3) Coccyx
I: Greater trochanter of femur

What are the 3 actions of this muscle?

1) Extension 2) Abduction 3) Lateral Rotation

Name that muscle!

Sartorius

Name the bone marking found at 1

Anterior superior iliac spine

Name the bone marking found at 1

Medial Condyle of the femur

What is the origin and insertion of this muscle?

O: Anterior superior iliac spine
I: Medial Condyle of femur

What are the 3 actions of this muscle?

1) Flexion of the hip 2) Flexion of the knee 3) Lateral rotation of the hip

Name that muscle!

Rectus Femoris

Name the bone marking found at 1

Anterior inferior iliac spine

Name the bone marking found at 1:

Tibial Tuberosity

What is the origin and insertion of this muscle?

O: Anterior inferior iliac spine
I: Tibial Tuberosity

What are the actions of this muscle?

Flexion of the hip

Name that muscle!

Iliacus

Name the bone marking shaded in red:

Iliac fossa

Name the bone marking found at 1

lesser Trochanter

What is the origin and insertion of this muscle?

O: Iliac fossa
I: Lesser trochanter

What are the actions of this muscle?

Flexion of the hip

Name that muscle!

Psoas Major

Name the bone marking found at 1

Lesser trochanter

What is the origin and insertion of this muscle?

O: Lumbar Vertebrae
I: Lesser Trochanter

What are the actions of this muscle?

Flexion of the hip

Name the muscle found at 1:

Semitendinosus

Name the bone marking found at 1:

Ischial Tuberosity

What is the origin and insertion of this muscle?

O: Ischial Tuberosity
I: Proximal + posterior region of the tibia

What are the 2 actions of this muscle?

1) Hip extension 2) Knee flexion

Name that muscle

Semimembranosus

Name the bone marking found at 1

Ischial Tuberosity

What is the origin and insertion of this muscle?

O: Ischial Tuberosity
I: Proximal+Posterior region of the tibia

What are the 2 actions of this muscle?

1) Hip extension 2) Knee flexion

Name that muscle

Biceps Femoris

Name the bone marking found at 1

Ischial Tuberosity

Name the bone you’ll find at 5

Fibula

What is the origin and insertion of this muscle?

O: Ischial Tuberosity
I: Fibula

What are the 2 actions of this muscle?

1) Hip Extension 2) Knee Flexion

Name that muscle

Vastus Medialis

Name the bone marking found at 13

Tibial Tuberosity

What is the origin and insertion of this muscle?

O: Anterior+Proximal Femur
I: Tibial Tuberosity

What are the actions of this muscle?

Knee Extension

Name that muscle

Vastus Lateralis

What is the origin and insertion of this muscle?

O: Anterior+Proximal Femur
I: Tibial Tuberosity

What are the actions of this muscle?

Knee Extension

Name the muscle found at 1:

Vastus Intermedius

What is the origin and insertion of the muscle found at 1?

O: Anterior+Proximal Femur
I: Tibial Tuberosity

What are the actions of the muscle found at 1?

Knee Extension

Name that muscle

Gastrocnemius

Name the bone marking found at 1

Medial Condyle of Femur

Name the bone marking found at 2

Lateral Condyle of Femur

Name that bone marking

Calcaneus Bone

What is the origin and insertion of this muscle?

O: Medial+Lateral condyles of the femur (posterior side)

What are the actions of this muscle?

Plantarflexion

Name that muscle

Extensor Digitorum (foot)

What is the origin and insertion of this muscle?

O: Proximal+Anterior surface of tibia
I: Digits of toes

What are the 2 actions of this muscle?

1)Dorsiflexion at ankle 2) Extension of toes

Name the 4 rotator cuff muscles (SITS)

1) Supraspinatus 2) Infraspinatus 3) Teres Minor 4) Subscapularis

Name that muscle

Supraspinatus

Name the bone marking found at 12

Supraspinous Fossa