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

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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

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