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Anatomy bio125
adominal/arm muscles
Question | Answer |
---|---|
External obliques | toward outside stomach (flex vertebral column and compress abdominal wall) |
Internal obliques | toward inside;deep lateral stomach (flex vertebral column and compress abdominal wall) |
Rectus abdominis | straight abs. packs (flex & rotate lumbar region of vertebral column) |
transverse abdominis | deepest abdominal muscle (compresses abdominal contents) |
Biceps brachii | biceps (flexes elbow joint & supinates forearm) |
Brachioradialis | radius lateral forearm.thumb (synergist in forearm flexion) |
Triceps brachii | posterior top arm muscle (powerful forearm extensor) |
Pronator teres | turning palm posteriorly,or down (pronates forearm) |
Extensor carpi ulnaris | ulna.posterior (extends wrist and adducts wrist) |
Extensor digitorum | above forearm(prime mover of finger extension) |
Flexor carpi ulnaris | ulna.pinky (powerful flexor of wrist and adducts hand) |
Flexor digitorum superficialis | under forearm(flexes wrist & middle phalanges of fingers 2-5) |