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Muscles/Hand

Hand

Flexor digiti minimi brevis of left hand

FLEK-sor DIJ-ih-tye MIN-ih-my BREV-iss 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.

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Common Pain & Injury

Hypothenar pain on left, weak pinky grip. Ulnar nerve issues mimic. Doc for numbness.

Anatomy & Function

Origin

Hook of hamate and transverse carpal ligament (wrist hook bone).

Insertion

Base of proximal phalanx of little finger.

Actions

  • Flexion of fifth metacarpophalangeal joint (pinky curl at base)

Innervation

Deep branch of ulnar nerve (C8-T1, left).

Muscle Relationships

Antagonists

Extensor digiti minimi

Synergists

Abductor digiti minimiOpponens digiti minimi

Trigger Points

Hypothenar; refers to pinky and ulnar palm.

Stretches

1Pinky finger stretch
2Hypothenar massage

Common Conditions

Hypothenar hammer syndromeUlnar collateral ligament strain

Anatomical Parts

Flexor digiti minimi brevis of left hand

FAQ

Hand flexor digiti minimi pain?

Pinky base pain from gripping; rest and ulnar glide.

Exercises for Flexor digiti minimi brevis of left hand

20

Also Works Flexor digiti minimi brevis 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 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.
Flexor retinaculum of right wrist
The right wrist's flexor retinaculum secures flexor tendons through the carpal tunnel, enabling smooth wrist flexion in daily and athletic tasks. It supports grip integrity during pulls and presses. Dysfunction leads to hand fatigue.

Hand Pain Guide

Common causes and relief

Activities & Sports

See which activities use Flexor digiti minimi brevis of left hand

Pinpoint·Interactive 3D Anatomy & Exercise Guide