1.2 The muscular system Flashcards

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1
Q

1.2.2

Distinguish between the different types of muscle

A
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2
Q

1.2.1

What are the characteristics of Muscle?

A
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3
Q

1.2.4

Define the terms origin and insertion of muscles.

A
  • The origin is where the tendon of the muscle joins the stationary bone(s). Usually more proximal.
  • The insertion is where the tendon of the muscle joins the moving bone(s). Usually more distal.
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4
Q

1.2.3

Annotate the structure of skeletal muscle.

A
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5
Q

Name the muscle (yellow), the joint it moves

A

Triceps Brachii

Movement. Elbow extension (agonist)

Elbow flexion (antagonist)

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6
Q

Name the muscle below, and the joint movement it is responsible for.

Include its origin and insertion.

A

Bicep Brachii

Movement: Elbow flexion. (agonist)

Elbow extension (antagionsit)

Origin: Scapula

Insertion: Radius and Ulna

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7
Q

Name the muscle, the joint it moves, and its origin and insertion.

A

Latissimus Dorsi

Joint: Shoulder

Movement: Adduction, extension. (agonist)

Abduction, flexion (antagonist)

Origin. Thoratic vertebrae

Insertion: Humerus.

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8
Q

Name the muscle, the joint it moves, and its origin and insertion.

A

iliopsoas

Movement.

Hip flexion (agonist)

Hip extension (antagonist)

Origin. Lumbar vertebrae

Insertion. Femur.

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9
Q

Name the muscle, the joint it moves, and its origin and insertion.

A

Trapezius

Movement: Shoulder elevation (agonist)

Shoulder depression (antagonist)

Origin. the base of the skull (cervical vertebrae)

Insertion: Clavicle & scapula.

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10
Q

Name the 4 muscles that make up the quadriceps

A
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11
Q

Name the 3 muscles of the hamstrings.

A
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12
Q

Name the muscles on the posterior aspect of the lower leg. (from knee down)

A

Gastrocnemius

Soleus (underneath the gastrocnemius)

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13
Q

Name the muscle, the joint it moves, and its origin and insertion.

A

Rectus Abdominis

Movement: Flexion of the spine

Origin: Pubis

Insertion: Sternum

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14
Q

Name the muscle, the joint it moves, and its origin and insertion.

A

External Obliques

Movement: Lateral trunk flexion

Origin: lower Ribs

Insertion: Ilium

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15
Q

Name the muscle, the joint it moves, and its origin and insertion.

A

Erector Spinae

Movement: Trunk extension

Origin: Thoracic Vertebrae, ilium

Insertion: Ribs and Thoracic vertebrae, Sacral vertebrae

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16
Q

Name the muscle, the joint it moves, and its origin and insertion.

(3 parts)

A

Deltoids

Red = Anterior

Green = Middle

Blue = Posterior

Movement: Flexion, and abduction of the shoulder

Origin: Clavicle, Scapula

Insertion: Humerus

17
Q

Name the muscle, the joint it moves, and its origin and insertion.

A

Pectoralis Major

Movement: Horizontal Flexion and Abduction of the shoulder

Origin: Sternum, clavicle

Insertion: Humerus

18
Q

Name the muscle, the joint it moves, and its origin and insertion.

A

Sartorius

Movement: Hip flexion, Hip abduction, Knee flexion

Origin: Ilium

Insertion: Tibia

19
Q

Name the muscle, the joint it moves, and its origin and insertion.

(4 different Parts)

A

Quadriceps

Blue = Rectus femoris (RF)

Green = Vastus intermedialis (VI)

Yellow = Vastus lateralis (VL)

Red = Vastus medialis (VM)

Movement: Knee Extension, Hip flexion (RF)

Origin: Ilium (RF), Femur (VI, VL, VM)

Insertion: Patella and Tibia

20
Q

Name the muscle, the joint it moves, and its origin and insertion.

(3 Parts)

A

Hamstrings

Green = Bicep Femoris (BF)

Yellow = Semitendinosus (ST)

Purple = Semimembranuses (SM)

Movement: Hip extension, Knee flexion

Origin: Ischium (below Sacral Verterbrae)

Insertion: Medial Tibula, Lateral Tibula/ Fibula

21
Q

Name the muscle, the joint it moves, and its origin and insertion.

A

Gluteus Maximus

Movement: Hip extension

Origin: Coccyx Vertebrae, Ilium, Sacral

Insertion: Femur

22
Q

Name the muscle, the joint it moves, and its origin and insertion.

A

Tibialis Anterior

Movement: Dorsiflexion of the foot

Origin: Tibia

Insertion: Tarsals/ Metatarsals of foot

23
Q

Name the muscle, the joint it moves, and its origin and insertion.

(two different Muscles)

A

Gastrocnemius and Soleus

Red = Gastrocnemius (GN)

Green = Soleus (S)

Movement: Plantarflexion of foot

Origin: Femur (GN), Tibia / Fibula (S)

Insertion: Both (GN and S) from Achilles tendon which attaches to heel and foot

24
Q

State the name of the thigh muscle indicated by label X in the diagram below

A

Vastus intermedius