Appendicular Muscles Flashcards

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Questions and Answers

What is the Adductor Longus muscle's origin, insertion, and action (O-I-A)?

O: pubis, I: femur, A: adducts & rotates hip

What is the Bicep Femoris muscle's origin, insertion, and action (O-I-A)?

O: Ischium & femur, I: tibia & fibula, A: flexes knee

What is the Bicep Brachii muscle's origin, insertion, and action (O-I-A)?

O: scapula, I: radius, A: flexes forearm

What is the Brachialis muscle's origin, insertion, and action (O-I-A)?

O: humerus, I: ulna, A: flexes forearm Signup and view all the answers

What is the Deltoid muscle's origin, insertion, and action (O-I-A)?

O: clavicle & scapula, I: humerus, A: abducts arm Signup and view all the answers

What is the Extensor Carpi Radialis Brevis muscle's origin, insertion, and action (O-I-A)?

O: humerus, I: metacarpal, A: extends the wrist Signup and view all the answers

What is the Gastrocnemius muscle's origin, insertion, and action (O-I-A)?

O: femur, I: calcaneus, A: plantar flexion Signup and view all the answers

What is the Gluteus Maximus muscle's origin, insertion, and action (O-I-A)?

O: ilium & sacrum & coccyx, I: femur, A: extends and rotates hip Signup and view all the answers

What is the Gracilis muscle's origin, insertion, and action (O-I-A)?

O: pubis, I: tibia, A: adducts & rotates hip & flexes knee Signup and view all the answers

What is the Infraspinatus muscle's origin, insertion, and action (O-I-A)?

O: infraspinous fossa, I: humerus, A: rotates arm Signup and view all the answers

What is the Latissimus Dorsi muscle's origin, insertion, and action (O-I-A)?

O: spinous process, I: humerus, A: adducts & rotates arm Signup and view all the answers

What is the Pectoralis Major muscle's origin, insertion, and action (O-I-A)?

O: ribs & sternum, I: humerus, A: adducts & rotates arm Signup and view all the answers

What is the Pectoralis Minor muscle's origin, insertion, and action (O-I-A)?

O: ribs, I: scapula, A: depresses & protracts shoulder Signup and view all the answers

What is the Rectus Femoris muscle's origin, insertion, and action (O-I-A)?

O: ilium, I: patellar tendon, A: extends knee Signup and view all the answers

What is the Rhomboideus Major muscle's origin, insertion, and action (O-I-A)?

O: spinous process, I: scapula, A: adducts scapula Signup and view all the answers

What is the Sartorius muscle's origin, insertion, and action (O-I-A)?

O: ilium, I: tibia, A: flexes leg & hip Signup and view all the answers

What is the Semimembranosus muscle's origin, insertion, and action (O-I-A)?

O: ischium, I: tibia, A: flexes knee Signup and view all the answers

What is the Semitendinosus muscle's origin, insertion, and action (O-I-A)?

O: ischium, I: tibia, A: flexes knee Signup and view all the answers

What is the Serratus Anterior muscle's origin, insertion, and action (O-I-A)?

O: ribs, I: scapula, A: protracts & rotates scapula Signup and view all the answers

What is the Soleus muscle's origin, insertion, and action (O-I-A)?

O: tibia & fibula, I: calcaneus, A: plantar flexion Signup and view all the answers

What is the Subscapularis muscle's origin, insertion, and action (O-I-A)?

O: subscapular fossa, I: humerus, A: rotates arm Signup and view all the answers

What is the Supraspinatus muscle's origin, insertion, and action (O-I-A)?

O: supraspinous fossa, I: humerus, A: rotates arm Signup and view all the answers

What is the Teres Major muscle's origin, insertion, and action (O-I-A)?

O: scapula, I: humerus, A: rotates arm Signup and view all the answers

What is the Teres Minor muscle's origin, insertion, and action (O-I-A)?

O: scapula, I: humerus, A: rotates arm Signup and view all the answers

What is the Tibialis Anterior muscle's origin, insertion, and action (O-I-A)?

O: tibia, I: 1st metatarsal, A: dorsiflexion Signup and view all the answers

What is the Trapezius muscle's origin, insertion, and action (O-I-A)?

O: occipital & spinous process, I: clavicle & scapula, A: rotates scapula Signup and view all the answers

What is the Triceps Brachii muscle's origin, insertion, and action (O-I-A)?

O: scapula & humerus, I: ulna, A: extends forearm Signup and view all the answers

What is the Vastus Lateralis muscle's origin, insertion, and action (O-I-A)?

O: femur, I: patella, A: extends knee Signup and view all the answers

Study Notes

Appendicular Muscles Overview

Appendicular muscles are responsible for movement of the limbs and supporting structures.

Muscle Identification and Function

Adductor Longus
- Origin: Pubis
- Insertion: Femur
- Action: Adducts and rotates hip
Bicep Femoris
- Origin: Ischium & Femur
- Insertion: Tibia & Fibula
- Action: Flexes knee
Bicep Brachii
- Origin: Scapula
- Insertion: Radius
- Action: Flexes forearm
Brachialis
- Origin: Humerus
- Insertion: Ulna
- Action: Flexes forearm
Deltoid
- Origin: Clavicle & Scapula
- Insertion: Humerus
- Action: Abducts arm
Extensor Carpi Radialis Brevis
- Origin: Humerus
- Insertion: Metacarpal
- Action: Extends the wrist
Gastrocnemius
- Origin: Femur
- Insertion: Calcaneus
- Action: Plantar flexion
Gluteus Maximus
- Origin: Illium, Sacrum, & Coccyx
- Insertion: Femur
- Action: Extends and rotates hip
Gracilis
- Origin: Pubis
- Insertion: Tibia
- Action: Adducts & rotates hip & flexes knee
Infraspinatus
- Origin: Infraspinous fossa
- Insertion: Humerus
- Action: Rotates arm
Latissimus Dorsi
- Origin: Spinous process
- Insertion: Humerus
- Action: Adducts & rotates arm
Pectoralis Major
- Origin: Ribs & Sternum
- Insertion: Humerus
- Action: Adducts & rotates arm
Pectoralis Minor
- Origin: Ribs
- Insertion: Scapula
- Action: Depresses & protracts shoulder
Rectus Femoris
- Origin: Ilium
- Insertion: Patellar tendon
- Action: Extends knee
Rhomboideus Major
- Origin: Spinous process
- Insertion: Scapula
- Action: Adducts scapula
Sartorius
- Origin: Ilium
- Insertion: Tibia
- Action: Flexes leg & hip
Semimembranosus
- Origin: Ischium
- Insertion: Tibia
- Action: Flexes knee
Semitendinosus
- Origin: Ischium
- Insertion: Tibia
- Action: Flexes knee
Serratus Anterior
- Origin: Ribs
- Insertion: Scapula
- Action: Protracts & rotates scapula
Soleus
- Origin: Tibia & Fibula
- Insertion: Calcaneus
- Action: Plantar flexion
Subscapularis
- Origin: Subscapular fossa
- Insertion: Humerus
- Action: Rotates arm
Supraspinatus
- Origin: Supraspinous fossa
- Insertion: Humerus
- Action: Rotates arm
Teres Major
- Origin: Scapula
- Insertion: Humerus
- Action: Rotates arm
Teres Minor
- Origin: Scapula
- Insertion: Humerus
- Action: Rotates arm
Tibialis Anterior
- Origin: Tibia
- Insertion: 1st Metatarsal
- Action: Dorsiflexion
Trapezius
- Origin: Occipital bone & Spinous process
- Insertion: Clavicle & Scapula
- Action: Rotates scapula
Triceps Brachii
- Origin: Scapula & Humerus
- Insertion: Ulna
- Action: Extends forearm
Vastus Lateralis
- Origin: Femur
- Insertion: Patella
- Action: Extends knee

Studying That Suits You

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Description

Test your knowledge on appendicular muscles with this flashcard quiz. For each muscle listed, you'll need to identify its origin, insertion, and action. This is a great way to reinforce your understanding of anatomy!