bio 22 post-lab - the muscular system (new ver.)
TRANSCRIPT
![Page 1: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/1.jpg)
The Muscular System
Christian BueranoAbby CortezWindale delos SantosMelizza SorianoArah Sacdalan
![Page 2: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/2.jpg)
DORSAL SIDE
![Page 3: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/3.jpg)
VENTRAL SIDE
![Page 4: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/4.jpg)
MUSCLES OF THE FLOOR OF THE MOUTH AND TONGUE
Genohyoid
Hyoglossus
Myohoid
Submental
![Page 5: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/5.jpg)
Origin: inner side of the lower jawInsertion: tendon in median lineAction: raises the floor of the mouth for breathing
Myohoid
Submental
Origin: anterior end of the mandibleInsertion: tendon in mid-lineAction: pushes sublingual tubercle on lower jaw
Genohyoid
Origin: dorsally on coracoid and clavicleInsertion: ventral side of the hyoidAction: bulges hyoid ventrally
Hyoglossus
Origin: hyoidInsertion: tongueAction: retracts of withdraws tongue forward
![Page 6: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/6.jpg)
LOWER JAW
Masseter
Depressor Mandibuli
Temporalis
![Page 7: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/7.jpg)
Depressor Mandibuli
Origin: posterior edge of the tympanic ring via dorsal fasciaInsertion: posterior-most end of the lower jawAction: opens the mouth
Temporalis
Origin: side of the skull between eye and tympanic ringInsertion: near posterior end of the lower jawAction: closes the mouth
Masseter
Origin: tympanic ring and adjacent bonesInsertion: lower jaw, behind temporalAction: closes the mouth
![Page 8: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/8.jpg)
PECTORAL GIRDLE, SHOULDERS, AND ARMS
Sterno-radialis Deltoid
PectoralisEpicoracoidea
Pectoralis Sternalis
Pectoralis Abdominis
*Cutaneous Pectoralis
![Page 9: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/9.jpg)
Origin: coracoid and epicoracoid bonesInsertion: anterior end of the humerusAction: draws arms towards the chest/adduction of arms
Pectoralis Epicoracoidea
Pectoralis Sternalis
Origin: xiphisternumInsertion: anterior end of the humerusAction: draws arms towards the chest
Pectoralis Abdominis
Origin: anterior half of the rectus abdominisInsertion: anterior end of the humerusAction: draws arms towards the chest
Deltoid
Origin: clavicle, scapula, and omosternumInsertion: deltoid crest of humerusAction: draws arm forward
Sterno-radialis
Origin: episternumInsertion: proximal part of the radius by tendonAction: flexes forearm and the humerus
![Page 10: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/10.jpg)
ABDOMINAL WALL
External Oblique
Transversus
Rectus Abdominis
![Page 11: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/11.jpg)
External Oblique
Origin: dorsal fasciaInsertion: linea alba dorsal to the previous muscleAction: compressor of the abdomen and respiratory muscle
Rectus Abdominis
Origin: pubisInsertion: dorsally on sternum and coracoidAction: supports the abdomen, holds the sternum
Transversus
Origin: transverse process of the 4th to 9th vertebrae and the iliac boneInsertion: coracoid and xiphisternumAction: same with the external oblique
![Page 12: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/12.jpg)
BACK AND PELVIC GIRDLE
Ilio-lumbaris
Dorsalis Scapulae
Latissimus Dorsi
Longissimus Dorsi
Gluteus
Coccygeo-iliacus Coccygeo-
sacralis
![Page 13: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/13.jpg)
Origin: scapulaInsertion: tendon joining the latissimus dorsiAction: raises arm towards body
Dorsalis Scapulae
Latissimus Dorsi
Origin: dorsal fasciaInsertion: on deltoid crestAction: raises arm dorsally
Longissimus Dorsi
Origin: urostyleInsertion: vertebrae and the back of the skullAction: straightens the back and raises the head
Ilio-lumbaris
Origin: anterior end of the iliumInsertion: transverse process of the sacral vertebraAction: extensor of the back
Coccygeo-sacralis
Origin: periphery of the urostyleInsertion: transverse process of the 9th sacral vertebraAction: singly turns the back and raises it
![Page 14: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/14.jpg)
Coccygeo-iliacus
Origin: periphery of the urostyleInsertion: anterior part of the ileumAction: holds urostyle in place
Gluteus
Origin: middle of the lateral surface of the ileumInsertion: anterior side of head of femurAction: draws thigh forward and upward
![Page 15: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/15.jpg)
THIGH (Dorsal)
1. Gluteus
2. Pyriformis
3. Triceps Femoris
4. Semimembranosus
5. Biceps Femoris
![Page 16: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/16.jpg)
1. Sartorius
2. Adductor Longus
3. Adductor Magnus
4. Gracilis Major
5. Gracilis Minor
6. Semitendinosus
THIGH (Ventral)
![Page 17: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/17.jpg)
Origin: pelvic girdleInsertion: front of the tibiaAction: extensor of the shank
Triceps Femoris
Biceps Femoris
Origin: crest of the ileum above the acetabulumInsertion: distal part of the femur and posterior border of the tibio-fibulaAction: adducts the thigh against the trunk, also extend to the shank
Semimembranous
Origin: dorsal side of the ischiumInsertion: posterior end of the tibio-fibulaAction: flexes of the shank
Gracilis Muscles
Origin: edge of the ischiumInsertion: inner side of the tibio-fibula below the headAction: flexes shank
![Page 18: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/18.jpg)
Semitendinosus
Origin: ischium by two headsInsertion: with the gracilis minor on the proximal end of the tibio-fibulaAction: adducts thigh and flexes the shank
Adductor Muscles
Origin: ischium and pubisInsertion: distal end of the femur Action: adducts thigh and leg
![Page 19: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/19.jpg)
SHANK (Dorsal)
1. Gastrocnemius
2. Peroneus
![Page 20: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/20.jpg)
SHANK (Ventral)
1. Gastrocnemius
2. Tibialis Posticus
3. Extensor Cruris
4. Tibialis Anticus
Longus
5. Tibio-fibula bone
![Page 21: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/21.jpg)
Origin: distal end of the femur by a flat tendon, and edge of knee tendonInsertion: tendon of AchillesAction: extends the foot and flexes the shank
Gastrocnemius
Peroneus
Origin: knee tendonInsertion: tibio-fibula, distally by ankleAction: draws shank against the thigh and extends or twista the foot
Tibialis Anticus
Origin: femurInsertion: calcaneal boneAction: extensor of the foot
Tibialis Posticus
Origin: femurInsertion: calcaneal boneAction: extensor of the foot
![Page 22: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/22.jpg)
QUIZ
![Page 23: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/23.jpg)
MUSCLES OF THE FLOOR OF THE MOUTH AND TONGUE
![Page 24: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/24.jpg)
LOWER JAW
![Page 25: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/25.jpg)
PECTORAL GIRDLE, SHOULDERS, AND ARMS
![Page 26: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/26.jpg)
ABDOMINAL WALL
![Page 27: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/27.jpg)
BACK AND PELVIC GIRDLE
![Page 28: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/28.jpg)
THIGH (Dorsal)
1.
2.
3.
4.
5.
![Page 29: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/29.jpg)
1.
2.
3.
4.
5.
6.
THIGH (Ventral)
![Page 30: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/30.jpg)
SHANK (Dorsal)
1.
2.
![Page 31: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/31.jpg)
SHANK (Ventral)
1.
2.
3.
4.
5.
![Page 32: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/32.jpg)
• Sources:
• http://www.animalcorner.co.uk/animalgroups/dfrogmuscle.html
• http://www.google.com.ph/imglanding?imgurl=http://shs.westport.k12.ct.us/mjvl/biology/dissect/frog_images/frog_muscles_dorsal.jpg&imgrefurl=http://shs.westport.k12.ct.us/mjvl/biology/dissect/frog.htm&h=1500&w=1115&sz=187&tbnid=AQvShJS0kSLXGM:&tbnh=150&tbnw=112&prev=/images%3Fq%3Dfrog%2Bmuscles&zoom=1&q=frog+muscles&usg=__CXMftte77R3h9uEa3ARu-QnxBIg%3D&sa=X&ei=Z-U6TZbjB4OsrAe4-PToCA&ved=0CBsQ9QEwAg
• http://bioweb.uwlax.edu/zoolab/lab-9b/Frog-Muscles-1.htm
• http://bioweb.uwlax.edu/zoolab/lab-9b/Frog-Muscles-2.htm
• http://bioweb.uwlax.edu/zoolab/lab-9b/Frog-Muscles-3.htm
• http://bioweb.uwlax.edu/zoolab/lab-9b/Frog-Muscles-4.htm
![Page 33: Bio 22 Post-Lab - The Muscular System (New Ver.)](https://reader033.vdocuments.net/reader033/viewer/2022061107/544be64ab1af9f7a7d8b4a85/html5/thumbnails/33.jpg)
GOODLUCK!