Advanced Biology Chapter 10. NECK MUSCLES A Sternocleidomastoid Sternocleidomastoid Flexes head...
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Transcript of Advanced Biology Chapter 10. NECK MUSCLES A Sternocleidomastoid Sternocleidomastoid Flexes head...
Advanced BiologyAdvanced Biology
Chapter 10Chapter 10
NECK MUSCLESNECK MUSCLES
AASternocleidomastoidSternocleidomastoidFlexes headFlexes head
NECK MUSCLESNECK MUSCLES
BBTrapeziusTrapeziusStabilizes, raises, Stabilizes, raises, retracts and rotates retracts and rotates scapulascapula
NECK MUSCLESNECK MUSCLES
NNOccipitalisOccipitalisPulls scalp posteriorlyPulls scalp posteriorly
SHOULDER MUSCLESSHOULDER MUSCLES
CCDeltoidDeltoidArm abductionArm abduction
SHOULDER MUSCLESSHOULDER MUSCLES
OOInfrapinatusInfrapinatusRotator Cuff Muscle; Helps Rotator Cuff Muscle; Helps hold head of humerus in hold head of humerus in glenoid cavity. Rotates glenoid cavity. Rotates humerus laterallyhumerus laterally
SHOULDER MUSCLESSHOULDER MUSCLES
PPTeres MajorTeres MajorExtends, medially Extends, medially rotates and adducts rotates and adducts humerushumerus
BACK MUSCLEBACK MUSCLE
DDLatissimus DorsiLatissimus DorsiPrime mover of arm Prime mover of arm extension. Powerful arm extension. Powerful arm adductor.adductor.
HIP MUSCLESHIP MUSCLES
EEGluteus MediusGluteus MediusAbducts and medially Abducts and medially rotates thigh – walkingrotates thigh – walking
HIP MUSCLESHIP MUSCLES
FFGluteus MaximusGluteus MaximusMajor extensor of thighMajor extensor of thigh
THIGH MUSCLESTHIGH MUSCLES
GGBiceps FemorisBiceps FemorisExtends thigh, flexes Extends thigh, flexes kneeknee
THIGH MUSCLESTHIGH MUSCLES
HHSemitendinosusSemitendinosusExtends thigh at hip; Extends thigh at hip; flexes knee; medially flexes knee; medially rotates legrotates leg
THIGH MUSCLESTHIGH MUSCLES
IISemimembranosusSemimembranosusDeep to semitendinosus; Deep to semitendinosus; extends thigh, flexes extends thigh, flexes knee, medially rotates legknee, medially rotates leg
ARM MUSCLESARM MUSCLES
JJTriceps BrachiiTriceps BrachiiPowerful forearm Powerful forearm extenderextender
FOREARM MUSCLESFOREARM MUSCLES
QQExtensor Carpi Radialis Extensor Carpi Radialis longuslongus
Extends and abducts Extends and abducts wristwrist
LEG MUSCLESLEG MUSCLES
KKGastrocnemiusGastrocnemiusPlantar flexes foot when Plantar flexes foot when knee is extended, weak knee is extended, weak flexor of kneeflexor of knee
LEG MUSCLESLEG MUSCLES
LLSoleusSoleusPlantar flexes ankle. Plantar flexes ankle. Aids in walkingAids in walking
LEG MUSCLESLEG MUSCLES
MMCalcanealCalcanealAttachment of Attachment of GastrocnemiusGastrocnemius