Masseter & Temporalis
Two muscles that close (elevate) the mouth
Paired muscle that flexes head and rotates head to side
Adducts and flexes arm
Anterior portion flexes arm; lateral portion abducts arm
Abducts scapula and rotates it upward (boxer's muscle).
Flexes vertebral column and compresses abdomen
External & Internal Obliques
Two muscle pairs that flex vertebral column, compress abdomen, and laterally flex vertebral column
Compresses abdomen only
Teres major & Latissimus dorsi
Extends, adducts, and rotates arm.
Posterior portion extends arm; lateral portion abducts arm
Superior portion elevates scapula, middle portion adducts scapula, inferior portion depresses scapula
extends forearm at elbow and extends arm
Flexes forearm at elbow and flexes arm
Flexor Carpi Ulnaris
Flexes and adducts hand
Flexes forearm and pronates and supinates forearm
Extends leg at knee and flexes thigh at hip
Vastus intermedius, lateralis, and medialis
Three muscles that extend leg only
Flexes leg and flexes, abducts, and laterally rotates thigh (allows us to flex and cross the legs).
Adducts thigh and flexes leg
Tensor fasciae latae
Flexes and abducts thigh
Biceps femoris, Semitendinosus, and Semimembranosus
Three muscles that flex leg and extend thigh
Plantar flexes foot and flexes leg
Plantar flexes foot only
Dorsiflexes and inverts foot
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.