Pinpoint
Muscles/Hand

Hand

Set of palmar interossei of left hand

PAL-mar in-ter-OSS-ee left

Three muscles in left palm adducting fingers toward middle. Grip power for fitness.

Open in 3D Viewer

Common Pain & Injury

Palmar pain gripping.

Anatomy & Function

Origin

Sides of metacarpals 2,4,5.

Insertion

Extensor expansions digits 2,4,5 (left).

Actions

  • Adduction fingers (PAD)
  • MCP flexion/IP extension

Innervation

Ulnar nerve.

Muscle Relationships

Antagonists

Dorsal interossei

Synergists

Lumbricals

Trigger Points

Palmar; refer fingertips.

Stretches

1Finger adduction stretch

Common Conditions

Palmar interossei strain

Anatomical Parts

Set of palmar interossei of left hand

FAQ

Palmar interossei vs dorsal?

Palmar adduct (PAD), dorsal abduct (DAB).

Exercises for Set of palmar interossei of left hand

20

Also Works Set of palmar interossei of left hand

10

Related Hand Muscles

Abductor digiti minimi of left hand
Located in the pinky side of the left palm, this muscle fans out the little finger for grip adjustments in sports or tools. It supports fine motor control and power grip stability. Climbers and grip athletes rely on it for pinky strength.
Abductor digiti minimi of right hand
In the right hand's hypothenar area, this muscle abducts the pinky finger, enhancing grip width for tools or sports. Crucial for musicians and weightlifters needing precise finger spread. Builds hand endurance.
abductor pollicis brevis
The thenar muscle at the thumb base abducts the thumb for pinch grips and opposition. Essential for fine tasks like texting or tools. Thumb trainers value it for dexterity.
adductor pollicis
Deep thumb adductor pulls thumb toward palm for key pinch strength. Vital for gripping keys or tools. Handstrength pros train it hard.
Flexor digiti minimi brevis of left hand
In the left hand's hypothenar eminence, this muscle flexes the pinky finger at its base for power grips. Key for musicians and rock climbers needing pinky strength. Enhances grip variety in fitness.
Flexor digiti minimi brevis of right hand
Right hand hypothenar muscle flexing pinky MCP joint for grip power. Essential for right-handed tools.
flexor pollicis brevis
This thumb muscle in the thenar eminence flexes the thumb's base, critical for pinching and precision grips like turning keys or holding tools. It's key for hand strength in weightlifting or racket sports. Imbalances lead to thumb weakness.
Flexor retinaculum of left wrist
The flexor retinaculum (transverse carpal ligament) is a thick band across the palmar wrist forming the carpal tunnel roof. It holds flexor tendons in place during wrist motion, vital for grip strength in fitness. Imbalances affect hand endurance.

Hand Pain Guide

Common causes and relief

Activities & Sports

See which activities use Set of palmar interossei of left hand

Pinpoint·Interactive 3D Anatomy & Exercise Guide